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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 10:27:28 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 10:27:28 -0800
commitb2034d474b7e1e8578bd5c2977024b51693269d9 (patch)
treee43969bf7c2ba89884c2580f56978826f1014520 /fs
parent27d189c02ba25851973c8582e419c0bded9f7e5b (diff)
parent924241575a85249b9d410e38f5b2fcad9035e45c (diff)
downloadlinux-b2034d474b7e1e8578bd5c2977024b51693269d9.tar.bz2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (41 commits) fs: add documentation on fallocate hole punching Gfs2: fail if we try to use hole punch Btrfs: fail if we try to use hole punch Ext4: fail if we try to use hole punch Ocfs2: handle hole punching via fallocate properly XFS: handle hole punching via fallocate properly fs: add hole punching to fallocate vfs: pass struct file to do_truncate on O_TRUNC opens (try #2) fix signedness mess in rw_verify_area() on 64bit architectures fs: fix kernel-doc for dcache::prepend_path fs: fix kernel-doc for dcache::d_validate sanitize ecryptfs ->mount() switch afs move internal-only parts of ncpfs headers to fs/ncpfs switch ncpfs switch 9p pass default dentry_operations to mount_pseudo() switch hostfs switch affs switch configfs ...
Diffstat (limited to 'fs')
-rw-r--r--fs/9p/v9fs_vfs.h1
-rw-r--r--fs/9p/vfs_dentry.c2
-rw-r--r--fs/9p/vfs_inode.c5
-rw-r--r--fs/9p/vfs_super.c8
-rw-r--r--fs/adfs/dir.c1
-rw-r--r--fs/adfs/super.c4
-rw-r--r--fs/affs/affs.h1
-rw-r--r--fs/affs/namei.c3
-rw-r--r--fs/affs/super.c6
-rw-r--r--fs/afs/dir.c4
-rw-r--r--fs/afs/internal.h1
-rw-r--r--fs/afs/super.c1
-rw-r--r--fs/anon_inodes.c21
-rw-r--r--fs/block_dev.c2
-rw-r--r--fs/btrfs/export.c12
-rw-r--r--fs/btrfs/inode.c6
-rw-r--r--fs/btrfs/super.c1
-rw-r--r--fs/cifs/cifsfs.c6
-rw-r--r--fs/cifs/dir.c25
-rw-r--r--fs/cifs/inode.c8
-rw-r--r--fs/cifs/link.c4
-rw-r--r--fs/cifs/readdir.c5
-rw-r--r--fs/coda/cache.c5
-rw-r--r--fs/coda/cnode.c3
-rw-r--r--fs/coda/coda_cache.h22
-rw-r--r--fs/coda/coda_fs_i.h58
-rw-r--r--fs/coda/coda_linux.c3
-rw-r--r--fs/coda/coda_linux.h101
-rw-r--r--fs/coda/dir.c9
-rw-r--r--fs/coda/file.c3
-rw-r--r--fs/coda/inode.c6
-rw-r--r--fs/coda/pioctl.c4
-rw-r--r--fs/coda/psdev.c4
-rw-r--r--fs/coda/symlink.c4
-rw-r--r--fs/coda/upcall.c5
-rw-r--r--fs/configfs/configfs_internal.h1
-rw-r--r--fs/configfs/dir.c6
-rw-r--r--fs/configfs/mount.c1
-rw-r--r--fs/dcache.c9
-rw-r--r--fs/ecryptfs/inode.c1
-rw-r--r--fs/ecryptfs/main.c155
-rw-r--r--fs/ext4/extents.c4
-rw-r--r--fs/fat/fat.h3
-rw-r--r--fs/fat/inode.c13
-rw-r--r--fs/fat/namei_msdos.c27
-rw-r--r--fs/fat/namei_vfat.c27
-rw-r--r--fs/fuse/dir.c1
-rw-r--r--fs/fuse/inode.c10
-rw-r--r--fs/gfs2/export.c13
-rw-r--r--fs/gfs2/ops_fstype.c2
-rw-r--r--fs/gfs2/ops_inode.c6
-rw-r--r--fs/hfs/dir.c2
-rw-r--r--fs/hfs/super.c3
-rw-r--r--fs/hfsplus/dir.c1
-rw-r--r--fs/hfsplus/super.c2
-rw-r--r--fs/hostfs/hostfs_kern.c2
-rw-r--r--fs/hpfs/dentry.c7
-rw-r--r--fs/hpfs/dir.c1
-rw-r--r--fs/hpfs/hpfs_fn.h2
-rw-r--r--fs/hpfs/super.c2
-rw-r--r--fs/isofs/inode.c13
-rw-r--r--fs/isofs/namei.c2
-rw-r--r--fs/jfs/namei.c10
-rw-r--r--fs/jfs/super.c6
-rw-r--r--fs/libfs.c4
-rw-r--r--fs/minix/namei.c2
-rw-r--r--fs/namei.c7
-rw-r--r--fs/ncpfs/dir.c19
-rw-r--r--fs/ncpfs/file.c3
-rw-r--r--fs/ncpfs/inode.c6
-rw-r--r--fs/ncpfs/ioctl.c4
-rw-r--r--fs/ncpfs/mmap.c4
-rw-r--r--fs/ncpfs/ncp_fs.h98
-rw-r--r--fs/ncpfs/ncp_fs_i.h29
-rw-r--r--fs/ncpfs/ncp_fs_sb.h176
-rw-r--r--fs/ncpfs/ncplib_kernel.c2
-rw-r--r--fs/ncpfs/ncplib_kernel.h2
-rw-r--r--fs/ncpfs/ncpsign_kernel.c1
-rw-r--r--fs/ncpfs/ncpsign_kernel.h2
-rw-r--r--fs/ncpfs/sock.c2
-rw-r--r--fs/ncpfs/symlink.c4
-rw-r--r--fs/nfs/dir.c4
-rw-r--r--fs/nfs/getroot.c6
-rw-r--r--fs/nfs/super.c1
-rw-r--r--fs/ocfs2/export.c6
-rw-r--r--fs/ocfs2/file.c8
-rw-r--r--fs/ocfs2/namei.c5
-rw-r--r--fs/ocfs2/super.c1
-rw-r--r--fs/open.c7
-rw-r--r--fs/pipe.c4
-rw-r--r--fs/read_write.c27
-rw-r--r--fs/sysv/namei.c1
-rw-r--r--fs/sysv/super.c8
-rw-r--r--fs/xfs/linux-2.6/xfs_iops.c7
94 files changed, 740 insertions, 396 deletions
diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index bab0eac873f4..b789f8e597ec 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -59,7 +59,6 @@ void v9fs_stat2inode_dotl(struct p9_stat_dotl *, struct inode *);
int v9fs_dir_release(struct inode *inode, struct file *filp);
int v9fs_file_open(struct inode *inode, struct file *file);
void v9fs_inode2stat(struct inode *inode, struct p9_wstat *stat);
-void v9fs_dentry_release(struct dentry *);
int v9fs_uflags2omode(int uflags, int extended);
ssize_t v9fs_file_readn(struct file *, char *, char __user *, u32, u64);
diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c
index 466d2a4fc5cb..233b7d4ffe5e 100644
--- a/fs/9p/vfs_dentry.c
+++ b/fs/9p/vfs_dentry.c
@@ -86,7 +86,7 @@ static int v9fs_cached_dentry_delete(const struct dentry *dentry)
*
*/
-void v9fs_dentry_release(struct dentry *dentry)
+static void v9fs_dentry_release(struct dentry *dentry)
{
struct v9fs_dentry *dent;
struct p9_fid *temp, *current_fid;
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 5076eeb95502..b76a40bdf4c2 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -699,11 +699,6 @@ struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
goto error_iput;
inst_out:
- if (v9ses->cache)
- d_set_d_op(dentry, &v9fs_cached_dentry_operations);
- else
- d_set_d_op(dentry, &v9fs_dentry_operations);
-
d_add(dentry, inode);
return NULL;
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index c55c614500ad..dbaabe3b8131 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -141,6 +141,11 @@ static struct dentry *v9fs_mount(struct file_system_type *fs_type, int flags,
}
v9fs_fill_super(sb, v9ses, flags, data);
+ if (v9ses->cache)
+ sb->s_d_op = &v9fs_cached_dentry_operations;
+ else
+ sb->s_d_op = &v9fs_dentry_operations;
+
inode = v9fs_get_inode(sb, S_IFDIR | mode);
if (IS_ERR(inode)) {
retval = PTR_ERR(inode);
@@ -217,9 +222,6 @@ static void v9fs_kill_super(struct super_block *s)
P9_DPRINTK(P9_DEBUG_VFS, " %p\n", s);
- if (s->s_root)
- v9fs_dentry_release(s->s_root); /* clunk root */
-
kill_anon_super(s);
v9fs_session_cancel(v9ses);
diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c
index bf7693c384f9..3b4a764ed780 100644
--- a/fs/adfs/dir.c
+++ b/fs/adfs/dir.c
@@ -276,7 +276,6 @@ adfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
struct object_info obj;
int error;
- d_set_d_op(dentry, &adfs_dentry_operations);
lock_kernel();
error = adfs_dir_lookup_byname(dir, &dentry->d_name, &obj);
if (error == 0) {
diff --git a/fs/adfs/super.c b/fs/adfs/super.c
index a4041b52fbca..2d7954049fbe 100644
--- a/fs/adfs/super.c
+++ b/fs/adfs/super.c
@@ -473,6 +473,7 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent)
asb->s_namelen = ADFS_F_NAME_LEN;
}
+ sb->s_d_op = &adfs_dentry_operations;
root = adfs_iget(sb, &root_obj);
sb->s_root = d_alloc_root(root);
if (!sb->s_root) {
@@ -483,8 +484,7 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent)
kfree(asb->s_map);
adfs_error(sb, "get root inode failed\n");
goto error;
- } else
- d_set_d_op(sb->s_root, &adfs_dentry_operations);
+ }
unlock_kernel();
return 0;
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index a8cbdeb34025..0e95f73a7023 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -201,6 +201,7 @@ extern const struct address_space_operations affs_aops;
extern const struct address_space_operations affs_aops_ofs;
extern const struct dentry_operations affs_dentry_operations;
+extern const struct dentry_operations affs_intl_dentry_operations;
static inline void
affs_set_blocksize(struct super_block *sb, int size)
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index 944a4042fb65..e3e9efc1fdd8 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -32,7 +32,7 @@ const struct dentry_operations affs_dentry_operations = {
.d_compare = affs_compare_dentry,
};
-static const struct dentry_operations affs_intl_dentry_operations = {
+const struct dentry_operations affs_intl_dentry_operations = {
.d_hash = affs_intl_hash_dentry,
.d_compare = affs_intl_compare_dentry,
};
@@ -240,7 +240,6 @@ affs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
if (IS_ERR(inode))
return ERR_CAST(inode);
}
- d_set_d_op(dentry, AFFS_SB(sb)->s_flags & SF_INTL ? &affs_intl_dentry_operations : &affs_dentry_operations);
d_add(dentry, inode);
return NULL;
}
diff --git a/fs/affs/super.c b/fs/affs/super.c
index d39081bbe7ce..b31507d0f9b9 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -477,12 +477,16 @@ got_root:
goto out_error_noinode;
}
+ if (AFFS_SB(sb)->s_flags & SF_INTL)
+ sb->s_d_op = &affs_intl_dentry_operations;
+ else
+ sb->s_d_op = &affs_dentry_operations;
+
sb->s_root = d_alloc_root(root_inode);
if (!sb->s_root) {
printk(KERN_ERR "AFFS: Get root inode failed\n");
goto out_error;
}
- d_set_d_op(sb->s_root, &affs_dentry_operations);
pr_debug("AFFS: s_flags=%lX\n",sb->s_flags);
return 0;
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 34a3263d60a4..e6a4ab980e31 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -62,7 +62,7 @@ const struct inode_operations afs_dir_inode_operations = {
.setattr = afs_setattr,
};
-static const struct dentry_operations afs_fs_dentry_operations = {
+const struct dentry_operations afs_fs_dentry_operations = {
.d_revalidate = afs_d_revalidate,
.d_delete = afs_d_delete,
.d_release = afs_d_release,
@@ -582,8 +582,6 @@ static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry,
}
success:
- d_set_d_op(dentry, &afs_fs_dentry_operations);
-
d_add(dentry, inode);
_leave(" = 0 { vn=%u u=%u } -> { ino=%lu v=%llu }",
fid.vnode,
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 6d4bc1c8ff60..ab6db5abaf53 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -486,6 +486,7 @@ extern bool afs_cm_incoming_call(struct afs_call *);
* dir.c
*/
extern const struct inode_operations afs_dir_inode_operations;
+extern const struct dentry_operations afs_fs_dentry_operations;
extern const struct file_operations afs_dir_file_operations;
/*
diff --git a/fs/afs/super.c b/fs/afs/super.c
index f901a9d7c111..fb240e8766d6 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -336,6 +336,7 @@ static int afs_fill_super(struct super_block *sb, void *data)
if (!root)
goto error;
+ sb->s_d_op = &afs_fs_dentry_operations;
sb->s_root = root;
_leave(" = 0");
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 98edb657b84d..cbe57f3c4d89 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -26,12 +26,6 @@ static struct vfsmount *anon_inode_mnt __read_mostly;
static struct inode *anon_inode_inode;
static const struct file_operations anon_inode_fops;
-static struct dentry *anon_inodefs_mount(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data)
-{
- return mount_pseudo(fs_type, "anon_inode:", NULL, ANON_INODE_FS_MAGIC);
-}
-
/*
* anon_inodefs_dname() is called from d_path().
*/
@@ -41,14 +35,22 @@ static char *anon_inodefs_dname(struct dentry *dentry, char *buffer, int buflen)
dentry->d_name.name);
}
+static const struct dentry_operations anon_inodefs_dentry_operations = {
+ .d_dname = anon_inodefs_dname,
+};
+
+static struct dentry *anon_inodefs_mount(struct file_system_type *fs_type,
+ int flags, const char *dev_name, void *data)
+{
+ return mount_pseudo(fs_type, "anon_inode:", NULL,
+ &anon_inodefs_dentry_operations, ANON_INODE_FS_MAGIC);
+}
+
static struct file_system_type anon_inode_fs_type = {
.name = "anon_inodefs",
.mount = anon_inodefs_mount,
.kill_sb = kill_anon_super,
};
-static const struct dentry_operations anon_inodefs_dentry_operations = {
- .d_dname = anon_inodefs_dname,
-};
/*
* nop .set_page_dirty method so that people can use .page_mkwrite on
@@ -113,7 +115,6 @@ struct file *anon_inode_getfile(const char *name,
*/
ihold(anon_inode_inode);
- d_set_d_op(path.dentry, &anon_inodefs_dentry_operations);
d_instantiate(path.dentry, anon_inode_inode);
error = -ENFILE;
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 771f23527010..88da70355aa3 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -473,7 +473,7 @@ static const struct super_operations bdev_sops = {
static struct dentry *bd_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
- return mount_pseudo(fs_type, "bdev:", &bdev_sops, 0x62646576);
+ return mount_pseudo(fs_type, "bdev:", &bdev_sops, NULL, 0x62646576);
}
static struct file_system_type bd_type = {
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 0ccf9a8afcdf..9786963b07e5 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -65,7 +65,6 @@ static struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid,
{
struct btrfs_fs_info *fs_info = btrfs_sb(sb)->fs_info;
struct btrfs_root *root;
- struct dentry *dentry;
struct inode *inode;
struct btrfs_key key;
int index;
@@ -108,10 +107,7 @@ static struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid,
return ERR_PTR(-ESTALE);
}
- dentry = d_obtain_alias(inode);
- if (!IS_ERR(dentry))
- d_set_d_op(dentry, &btrfs_dentry_operations);
- return dentry;
+ return d_obtain_alias(inode);
fail:
srcu_read_unlock(&fs_info->subvol_srcu, index);
return ERR_PTR(err);
@@ -166,7 +162,6 @@ static struct dentry *btrfs_fh_to_dentry(struct super_block *sb, struct fid *fh,
static struct dentry *btrfs_get_parent(struct dentry *child)
{
struct inode *dir = child->d_inode;
- struct dentry *dentry;
struct btrfs_root *root = BTRFS_I(dir)->root;
struct btrfs_path *path;
struct extent_buffer *leaf;
@@ -223,10 +218,7 @@ static struct dentry *btrfs_get_parent(struct dentry *child)
key.type = BTRFS_INODE_ITEM_KEY;
key.offset = 0;
- dentry = d_obtain_alias(btrfs_iget(root->fs_info->sb, &key, root, NULL));
- if (!IS_ERR(dentry))
- d_set_d_op(dentry, &btrfs_dentry_operations);
- return dentry;
+ return d_obtain_alias(btrfs_iget(root->fs_info->sb, &key, root, NULL));
fail:
btrfs_free_path(path);
return ERR_PTR(ret);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a0ff46a47895..a3798a3aa0d2 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4084,8 +4084,6 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
int index;
int ret;
- d_set_d_op(dentry, &btrfs_dentry_operations);
-
if (dentry->d_name.len > BTRFS_NAME_LEN)
return ERR_PTR(-ENAMETOOLONG);
@@ -7117,6 +7115,10 @@ static long btrfs_fallocate(struct inode *inode, int mode,
alloc_start = offset & ~mask;
alloc_end = (offset + len + mask) & ~mask;
+ /* We only support the FALLOC_FL_KEEP_SIZE mode */
+ if (mode && (mode != FALLOC_FL_KEEP_SIZE))
+ return -EOPNOTSUPP;
+
/*
* wait for ordered IO before we have any locks. We'll loop again
* below with the locks held.
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 883c6fa1367e..22acdaa78ce1 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -460,6 +460,7 @@ static int btrfs_fill_super(struct super_block *sb,
sb->s_maxbytes = MAX_LFS_FILESIZE;
sb->s_magic = BTRFS_SUPER_MAGIC;
sb->s_op = &btrfs_super_ops;
+ sb->s_d_op = &btrfs_dentry_operations;
sb->s_export_op = &btrfs_export_ops;
sb->s_xattr = btrfs_xattr_handlers;
sb->s_time_gran = 1;
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 5e7075d5f139..d9f652a522a6 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -174,6 +174,12 @@ cifs_read_super(struct super_block *sb, void *data,
goto out_no_root;
}
+ /* do that *after* d_alloc_root() - we want NULL ->d_op for root here */
+ if (cifs_sb_master_tcon(cifs_sb)->nocase)
+ sb->s_d_op = &cifs_ci_dentry_ops;
+ else
+ sb->s_d_op = &cifs_dentry_ops;
+
#ifdef CONFIG_CIFS_EXPERIMENTAL
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) {
cFYI(1, "export ops supported");
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 2e773825835e..1e95dd635632 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -130,17 +130,6 @@ cifs_bp_rename_retry:
return full_path;
}
-static void setup_cifs_dentry(struct cifsTconInfo *tcon,
- struct dentry *direntry,
- struct inode *newinode)
-{
- if (tcon->nocase)
- d_set_d_op(direntry, &cifs_ci_dentry_ops);
- else
- d_set_d_op(direntry, &cifs_dentry_ops);
- d_instantiate(direntry, newinode);
-}
-
/* Inode operations in similar order to how they appear in Linux file fs.h */
int
@@ -327,7 +316,7 @@ cifs_create_get_file_info:
cifs_create_set_dentry:
if (rc == 0)
- setup_cifs_dentry(tcon, direntry, newinode);
+ d_instantiate(direntry, newinode);
else
cFYI(1, "Create worked, get_inode_info failed rc = %d", rc);
@@ -418,10 +407,6 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode,
rc = cifs_get_inode_info_unix(&newinode, full_path,
inode->i_sb, xid);
- if (pTcon->nocase)
- d_set_d_op(direntry, &cifs_ci_dentry_ops);
- else
- d_set_d_op(direntry, &cifs_dentry_ops);
if (rc == 0)
d_instantiate(direntry, newinode);
@@ -601,10 +586,6 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
parent_dir_inode->i_sb, xid, NULL);
if ((rc == 0) && (newInode != NULL)) {
- if (pTcon->nocase)
- d_set_d_op(direntry, &cifs_ci_dentry_ops);
- else
- d_set_d_op(direntry, &cifs_dentry_ops);
d_add(direntry, newInode);
if (posix_open) {
filp = lookup_instantiate_filp(nd, direntry,
@@ -631,10 +612,6 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
} else if (rc == -ENOENT) {
rc = 0;
direntry->d_time = jiffies;
- if (pTcon->nocase)
- d_set_d_op(direntry, &cifs_ci_dentry_ops);
- else
- d_set_d_op(direntry, &cifs_dentry_ops);
d_add(direntry, NULL);
/* if it was once a directory (but how can we tell?) we could do
shrink_dcache_parent(direntry); */
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 0c7e36910e31..b06b60620240 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1324,10 +1324,6 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
/*BB check (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID ) to see if need
to set uid/gid */
inc_nlink(inode);
- if (pTcon->nocase)
- d_set_d_op(direntry, &cifs_ci_dentry_ops);
- else
- d_set_d_op(direntry, &cifs_dentry_ops);
cifs_unix_basic_to_fattr(&fattr, pInfo, cifs_sb);
cifs_fill_uniqueid(inode->i_sb, &fattr);
@@ -1368,10 +1364,6 @@ mkdir_get_info:
rc = cifs_get_inode_info(&newinode, full_path, NULL,
inode->i_sb, xid, NULL);
- if (pTcon->nocase)
- d_set_d_op(direntry, &cifs_ci_dentry_ops);
- else
- d_set_d_op(direntry, &cifs_dentry_ops);
d_instantiate(direntry, newinode);
/* setting nlink not necessary except in cases where we
* failed to get it from the server or was set bogus */
diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index fe2f6a93c49e..306769de2fb5 100644
--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -524,10 +524,6 @@ cifs_symlink(struct inode *inode, struct dentry *direntry, const char *symname)
cFYI(1, "Create symlink ok, getinodeinfo fail rc = %d",
rc);
} else {
- if (pTcon->nocase)
- d_set_d_op(direntry, &cifs_ci_dentry_ops);
- else
- d_set_d_op(direntry, &cifs_dentry_ops);
d_instantiate(direntry, newinode);
}
}
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 76b1b37c9e6b..7f25cc3d2256 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -102,11 +102,6 @@ cifs_readdir_lookup(struct dentry *parent, struct qstr *name,
return NULL;
}
- if (cifs_sb_master_tcon(CIFS_SB(sb))->nocase)
- d_set_d_op(dentry, &cifs_ci_dentry_ops);
- else
- d_set_d_op(dentry, &cifs_dentry_ops);
-
alias = d_materialise_unique(dentry, inode);
if (alias != NULL) {
dput(dentry);
diff --git a/fs/coda/cache.c b/fs/coda/cache.c
index 5525e1c660fd..690157876184 100644
--- a/fs/coda/cache.c
+++ b/fs/coda/cache.c
@@ -20,10 +20,9 @@
#include <linux/spinlock.h>
#include <linux/coda.h>
-#include <linux/coda_linux.h>
#include <linux/coda_psdev.h>
-#include <linux/coda_fs_i.h>
-#include <linux/coda_cache.h>
+#include "coda_linux.h"
+#include "coda_cache.h"
static atomic_t permission_epoch = ATOMIC_INIT(0);
diff --git a/fs/coda/cnode.c b/fs/coda/cnode.c
index 602240569c89..6475877b0763 100644
--- a/fs/coda/cnode.c
+++ b/fs/coda/cnode.c
@@ -7,9 +7,8 @@
#include <linux/time.h>
#include <linux/coda.h>
-#include <linux/coda_linux.h>
-#include <linux/coda_fs_i.h>
#include <linux/coda_psdev.h>
+#include "coda_linux.h"
static inline int coda_fideq(struct CodaFid *fid1, struct CodaFid *fid2)
{
diff --git a/fs/coda/coda_cache.h b/fs/coda/coda_cache.h
new file mode 100644
index 000000000000..c910b5eb1ceb
--- /dev/null
+++ b/fs/coda/coda_cache.h
@@ -0,0 +1,22 @@
+/* Coda filesystem -- Linux Minicache
+ *
+ * Copyright (C) 1989 - 1997 Carnegie Mellon University
+ *
+ * Carnegie Mellon University encourages users of this software to
+ * contribute improvements to the Coda project. Contact Peter Braam
+ * <coda@cs.cmu.edu>
+ */
+
+#ifndef _CFSNC_HEADER_
+#define _CFSNC_HEADER_
+
+/* credential cache */
+void coda_cache_enter(struct inode *inode, int mask);
+void coda_cache_clear_inode(struct inode *);
+void coda_cache_clear_all(struct super_block *sb);
+int coda_cache_check(struct inode *inode, int mask);
+
+/* for downcalls and attributes and lookups */
+void coda_flag_inode_children(struct inode *inode, int flag);
+
+#endif /* _CFSNC_HEADER_ */
diff --git a/fs/coda/coda_fs_i.h b/fs/coda/coda_fs_i.h
new file mode 100644
index 000000000000..e35071b1de0e
--- /dev/null
+++ b/fs/coda/coda_fs_i.h
@@ -0,0 +1,58 @@
+/*
+ * coda_fs_i.h
+ *
+ * Copyright (C) 1998 Carnegie Mellon University
+ *
+ */
+
+#ifndef _LINUX_CODA_FS_I
+#define _LINUX_CODA_FS_I
+
+#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/coda.h>
+
+/*
+ * coda fs inode data
+ * c_lock protects accesses to c_flags, c_mapcount, c_cached_epoch, c_uid and
+ * c_cached_perm.
+ * vfs_inode is set only when the inode is created and never changes.
+ * c_fid is set when the inode is created and should be considered immutable.
+ */
+struct coda_inode_info {
+ struct CodaFid c_fid; /* Coda identifier */
+ u_short c_flags; /* flags (see below) */
+ unsigned int c_mapcount; /* nr of times this inode is mapped */
+ unsigned int c_cached_epoch; /* epoch for cached permissions */
+ vuid_t c_uid; /* fsuid for cached permissions */
+ unsigned int c_cached_perm; /* cached access permissions */
+ spinlock_t c_lock;
+ struct inode vfs_inode;
+};
+
+/*
+ * coda fs file private data
+ */
+#define CODA_MAGIC 0xC0DAC0DA
+struct coda_file_info {
+ int cfi_magic; /* magic number */
+ struct file *cfi_container; /* container file for this cnode */
+ unsigned int cfi_mapcount; /* nr of times this file is mapped */
+};
+
+#define CODA_FTOC(file) ((struct coda_file_info *)((file)->private_data))
+
+/* flags */
+#define C_VATTR 0x1 /* Validity of vattr in inode */
+#define C_FLUSH 0x2 /* used after a flush */
+#define C_DYING 0x4 /* from venus (which died) */
+#define C_PURGE 0x8
+
+int coda_cnode_make(struct inode **, struct CodaFid *, struct super_block *);
+struct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr);
+int coda_cnode_makectl(struct inode **inode, struct super_block *sb);
+struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb);
+void coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *);
+
+#endif
diff --git a/fs/coda/coda_linux.c b/fs/coda/coda_linux.c
index bf4a3fd3c8e3..2bdbcc11b373 100644
--- a/fs/coda/coda_linux.c
+++ b/fs/coda/coda_linux.c
@@ -17,9 +17,8 @@
#include <linux/string.h>
#include <linux/coda.h>
-#include <linux/coda_linux.h>
#include <linux/coda_psdev.h>
-#include <linux/coda_fs_i.h>
+#include "coda_linux.h"
/* initialize the debugging variables */
int coda_fake_statfs;
diff --git a/fs/coda/coda_linux.h b/fs/coda/coda_linux.h
new file mode 100644
index 000000000000..9b0c5323890b
--- /dev/null
+++ b/fs/coda/coda_linux.h
@@ -0,0 +1,101 @@
+/*
+ * Coda File System, Linux Kernel module
+ *
+ * Original version, adapted from cfs_mach.c, (C) Carnegie Mellon University
+ * Linux modifications (C) 1996, Peter J. Braam
+ * Rewritten for Linux 2.1 (C) 1997 Carnegie Mellon University
+ *
+ * Carnegie Mellon University encourages users of this software to
+ * contribute improvements to the Coda project.
+ */
+
+#ifndef _LINUX_CODA_FS
+#define _LINUX_CODA_FS
+
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/mm.h>
+#include <linux/vmalloc.h>
+#include <linux/slab.h>
+#include <linux/wait.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include "coda_fs_i.h"
+
+/* operations */
+extern const struct inode_operations coda_dir_inode_operations;
+extern const struct inode_operations coda_file_inode_operations;
+extern const struct inode_operations coda_ioctl_inode_operations;
+
+extern const struct dentry_operations coda_dentry_operations;
+
+extern const struct address_space_operations coda_file_aops;
+extern const struct address_space_operations coda_symlink_aops;
+
+extern const struct file_operations coda_dir_operations;
+extern const struct file_operations coda_file_operations;
+extern const struct file_operations coda_ioctl_operations;
+
+/* operations shared over more than one file */
+int coda_open(struct inode *i, struct file *f);
+int coda_release(struct inode *i, struct file *f);
+int coda_permission(struct inode *inode, int mask, unsigned int flags);
+int coda_revalidate_inode(struct dentry *);
+int coda_getattr(struct vfsmount *, struct dentry *, struct kstat *);
+int coda_setattr(struct dentry *, struct iattr *);
+
+/* this file: heloers */
+char *coda_f2s(struct CodaFid *f);
+int coda_isroot(struct inode *i);
+int coda_iscontrol(const char *name, size_t length);
+
+void coda_vattr_to_iattr(struct inode *, struct coda_vattr *);
+void coda_iattr_to_vattr(struct iattr *, struct coda_vattr *);
+unsigned short coda_flags_to_cflags(unsigned short);
+
+/* sysctl.h */
+void coda_sysctl_init(void);
+void coda_sysctl_clean(void);
+
+#define CODA_ALLOC(ptr, cast, size) do { \
+ if (size < PAGE_SIZE) \
+ ptr = kmalloc((unsigned long) size, GFP_KERNEL); \
+ else \
+ ptr = (cast)vmalloc((unsigned long) size); \
+ if (!ptr) \
+ printk("kernel malloc returns 0 at %s:%d\n", __FILE__, __LINE__); \
+ else memset( ptr, 0, size ); \
+} while (0)
+
+
+#define CODA_FREE(ptr,size) \
+ do { if (size < PAGE_SIZE) kfree((ptr)); else vfree((ptr)); } while (0)
+
+/* inode to cnode access functions */
+
+static inline struct coda_inode_info *ITOC(struct inode *inode)
+{
+ return list_entry(inode, struct coda_inode_info, vfs_inode);
+}
+
+static __inline__ struct CodaFid *coda_i2f(struct inode *inode)
+{
+ return &(ITOC(inode)->c_fid);
+}
+
+static __inline__ char *coda_i2s(struct inode *inode)
+{
+ return coda_f2s(&(ITOC(inode)->c_fid));
+}
+
+/* this will not zap the inode away */
+static __inline__ void coda_flag_inode(struct inode *inode, int flag)
+{
+ struct coda_inode_info *cii = ITOC(inode);
+
+ spin_lock(&cii->c_lock);
+ cii->c_flags |= flag;
+ spin_unlock(&cii->c_lock);
+}
+
+#endif
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 29badd91360f..2b8dae4d121e 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -23,10 +23,9 @@
#include <asm/uaccess.h>
#include <linux/coda.h>
-#include <linux/coda_linux.h>
#include <linux/coda_psdev.h>
-#include <linux/coda_fs_i.h>
-#include <linux/coda_cache.h>
+#include "coda_linux.h"
+#include "coda_cache.h"
#include "coda_int.h"
@@ -61,7 +60,7 @@ static int coda_return_EIO(void)
}
#define CODA_EIO_ERROR ((void *) (coda_return_EIO))
-static const struct dentry_operations coda_dentry_operations =
+const struct dentry_operations coda_dentry_operations =
{
.d_revalidate = coda_dentry_revalidate,
.d_delete = coda_dentry_delete,
@@ -126,8 +125,6 @@ static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry, struc
return ERR_PTR(error);
exit:
- d_set_d_op(entry, &coda_dentry_operations);
-
if (inode && (type & CODA_NOCACHE))
coda_flag_inode(inode, C_VATTR | C_PURGE);
diff --git a/fs/coda/file.c b/fs/coda/file.c
index c8b50ba4366a..0433057be330 100644
--- a/fs/coda/file.c
+++ b/fs/coda/file.c
@@ -21,10 +21,9 @@
#include <asm/uaccess.h>
#include <linux/coda.h>
-#include <linux/coda_linux.h>
-#include <linux/coda_fs_i.h>
#include <linux/coda_psdev.h>
+#include "coda_linux.h"
#include "coda_int.h"
static ssize_t
diff --git a/fs/coda/inode.c b/fs/coda/inode.c
index f065a5d31a19..871b27715465 100644
--- a/fs/coda/inode.c
+++ b/fs/coda/inode.c
@@ -28,10 +28,9 @@
#include <linux/vmalloc.h>
#include <linux/coda.h>
-#include <linux/coda_linux.h>
#include <linux/coda_psdev.h>
-#include <linux/coda_fs_i.h>
-#include <linux/coda_cache.h>
+#include "coda_linux.h"
+#include "coda_cache.h"
#include "coda_int.h"
@@ -193,6 +192,7 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent)
sb->s_blocksize_bits = 12;
sb->s_magic = CODA_SUPER_MAGIC;
sb->s_op = &coda_super_operations;
+ sb->s_d_op = &coda_dentry_operations;
sb->s_bdi = &vc->bdi;
/* get root fid from Venus: this needs the root inode */
diff --git a/fs/coda/pioctl.c b/fs/coda/pioctl.c
index 741f0bd03918..6cbb3afb36dc 100644
--- a/fs/coda/pioctl.c
+++ b/fs/coda/pioctl.c
@@ -19,10 +19,10 @@
#include <asm/uaccess.h>
#include <linux/coda.h>
-#include <linux/coda_linux.h>
-#include <linux/coda_fs_i.h>
#include <linux/coda_psdev.h>
+#include "coda_linux.h"
+
/* pioctl ops */
static int coda_ioctl_permission(struct inode *inode, int mask, unsigned int flags);
static long coda_pioctl(struct file *filp, unsigned int cmd,
diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index 62647a8595e4..8f616e0e252c 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -43,10 +43,10 @@
#include <asm/uaccess.h>
#include <linux/coda.h>
-#include <linux/coda_linux.h>
-#include <linux/coda_fs_i.h>
#include <linux/coda_psdev.h>
+#include "coda_linux.h"
+
#include "coda_int.h"
/* statistics */
diff --git a/fs/coda/symlink.c b/fs/coda/symlink.c
index af78f007a2b0..ab94ef63caef 100644
--- a/fs/coda/symlink.c
+++ b/fs/coda/symlink.c
@@ -16,9 +16,9 @@
#include <linux/pagemap.h>
#include <linux/coda.h>
-#include <linux/coda_linux.h>
#include <linux/coda_psdev.h>
-#include <linux/coda_fs_i.h>
+
+#include "coda_linux.h"
static int coda_symlink_filler(struct file *file, struct page *page)
{
diff --git a/fs/coda/upcall.c b/fs/coda/upcall.c
index c3563cab9758..9727e0c52579 100644
--- a/fs/coda/upcall.c
+++ b/fs/coda/upcall.c
@@ -33,10 +33,9 @@
#include <linux/vfs.h>
#include <linux/coda.h>
-#include <linux/coda_linux.h>
#include <linux/coda_psdev.h>
-#include <linux/coda_fs_i.h>
-#include <linux/coda_cache.h>
+#include "coda_linux.h"
+#include "coda_cache.h"
#include "coda_int.h"
diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h
index 026cf68553a4..82bda8fdfc1c 100644
--- a/fs/configfs/configfs_internal.h
+++ b/fs/configfs/configfs_internal.h
@@ -90,6 +90,7 @@ extern const struct file_operations configfs_file_operations;
extern const struct file_operations bin_fops;
extern const struct inode_operations configfs_dir_inode_operations;
extern const struct inode_operations configfs_symlink_inode_operations;
+extern const struct dentry_operations configfs_dentry_ops;
extern int configfs_symlink(struct inode *dir, struct dentry *dentry,
const char *symname);
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 36637a8c1ed3..90ff3cb10de3 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -72,7 +72,7 @@ static int configfs_d_delete(const struct dentry *dentry)
return 1;
}
-static const struct dentry_operations configfs_dentry_ops = {
+const struct dentry_operations configfs_dentry_ops = {
.d_iput = configfs_d_iput,
/* simple_delete_dentry() isn't exported */
.d_delete = configfs_d_delete,
@@ -442,7 +442,6 @@ static int configfs_attach_attr(struct configfs_dirent * sd, struct dentry * den
return error;
}
- d_set_d_op(dentry, &configfs_dentry_ops);
d_rehash(dentry);
return 0;
@@ -489,7 +488,6 @@ static struct dentry * configfs_lookup(struct inode *dir,
*/
if (dentry->d_name.len > NAME_MAX)
return ERR_PTR(-ENAMETOOLONG);
- d_set_d_op(dentry, &configfs_dentry_ops);
d_add(dentry, NULL);
return NULL;
}
@@ -683,7 +681,6 @@ static int create_default_group(struct config_group *parent_group,
ret = -ENOMEM;
child = d_alloc(parent, &name);
if (child) {
- d_set_d_op(child, &configfs_dentry_ops);
d_add(child, NULL);
ret = configfs_attach_group(&parent_group->cg_item,
@@ -1681,7 +1678,6 @@ int configfs_register_subsystem(struct configfs_subsystem *subsys)
err = -ENOMEM;
dentry = d_alloc(configfs_sb->s_root, &name);
if (dentry) {
- d_set_d_op(dentry, &configfs_dentry_ops);
d_add(dentry, NULL);
err = configfs_attach_group(sd->s_element, &group->cg_item,
diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index 7d3607febe1c..ecc62178beda 100644
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -101,6 +101,7 @@ static int configfs_fill_super(struct super_block *sb, void *data, int silent)
configfs_root_group.cg_item.ci_dentry = root;
root->d_fsdata = &configfs_root;
sb->s_root = root;
+ sb->s_d_op = &configfs_dentry_ops; /* the rest get that */
return 0;
}
diff --git a/fs/dcache.c b/fs/dcache.c
index 5699d4c027cb..0c6d5c549d84 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1320,6 +1320,7 @@ struct dentry *d_alloc(struct dentry * parent, const struct qstr *name)
__dget_dlock(parent);
dentry->d_parent = parent;
dentry->d_sb = parent->d_sb;
+ d_set_d_op(dentry, dentry->d_sb->s_d_op);
list_add(&dentry->d_u.d_child, &parent->d_subdirs);
spin_unlock(&parent->d_lock);
}
@@ -1335,6 +1336,7 @@ struct dentry *d_alloc_pseudo(struct super_block *sb, const struct qstr *name)
struct dentry *dentry = d_alloc(NULL, name);
if (dentry) {
dentry->d_sb = sb;
+ d_set_d_op(dentry, dentry->d_sb->s_d_op);
dentry->d_parent = dentry;
dentry->d_flags |= DCACHE_DISCONNECTED;
}
@@ -1507,6 +1509,7 @@ struct dentry * d_alloc_root(struct inode * root_inode)
res = d_alloc(NULL, &name);
if (res) {
res->d_sb = root_inode->i_sb;
+ d_set_d_op(res, res->d_sb->s_d_op);
res->d_parent = res;
d_instantiate(res, root_inode);
}
@@ -1567,6 +1570,7 @@ struct dentry *d_obtain_alias(struct inode *inode)
/* attach a disconnected dentry */
spin_lock(&tmp->d_lock);
tmp->d_sb = inode->i_sb;
+ d_set_d_op(tmp, tmp->d_sb->s_d_op);
tmp->d_inode = inode;
tmp->d_flags |= DCACHE_DISCONNECTED;
list_add(&tmp->d_alias, &inode->i_dentry);
@@ -1966,7 +1970,7 @@ out:
/**
* d_validate - verify dentry provided from insecure source (deprecated)
* @dentry: The dentry alleged to be valid child of @dparent
- * @dparent: The parent dentry (known to be valid)
+ * @parent: The parent dentry (known to be valid)
*
* An insecure source has sent us a dentry, here we verify it and dget() it.
* This is used by ncpfs in its readdir implementation.
@@ -2449,8 +2453,7 @@ static int prepend_name(char **buffer, int *buflen, struct qstr *name)
}
/**
- * Prepend path string to a buffer
- *
+ * prepend_path - Prepend path string to a buffer
* @path: the dentry/vfsmount to report
* @root: root vfsmnt/dentry (may be modified by this function)
* @buffer: pointer to the end of the buffer
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 337352a94751..64ff02330752 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -441,7 +441,6 @@ static struct dentry *ecryptfs_lookup(struct inode *ecryptfs_dir_inode,
struct qstr lower_name;
int rc = 0;
- d_set_d_op(ecryptfs_dentry, &ecryptfs_dops);
if ((ecryptfs_dentry->d_name.len == 1
&& !strcmp(ecryptfs_dentry->d_name.name, "."))
|| (ecryptfs_dentry->d_name.len == 2
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 351038675376..9ed476906327 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -141,21 +141,9 @@ int ecryptfs_init_persistent_file(struct dentry *ecryptfs_dentry)
return rc;
}
-/**
- * ecryptfs_interpose
- * @lower_dentry: Existing dentry in the lower filesystem
- * @dentry: ecryptfs' dentry
- * @sb: ecryptfs's super_block
- * @flags: flags to govern behavior of interpose procedure
- *
- * Interposes upper and lower dentries.
- *
- * Returns zero on success; non-zero otherwise
- */
-int ecryptfs_interpose(struct dentry *lower_dentry, struct dentry *dentry,
- struct super_block *sb, u32 flags)
+static inode *ecryptfs_get_inode(struct inode *lower_inode,
+ struct super_block *sb)
{
- struct inode *lower_inode;
struct inode *inode;
int rc = 0;
@@ -189,17 +177,38 @@ int ecryptfs_interpose(struct dentry *lower_dentry, struct dentry *dentry,
if (special_file(lower_inode->i_mode))
init_special_inode(inode, lower_inode->i_mode,
lower_inode->i_rdev);
- d_set_d_op(dentry, &ecryptfs_dops);
fsstack_copy_attr_all(inode, lower_inode);
/* This size will be overwritten for real files w/ headers and
* other metadata */
fsstack_copy_inode_size(inode, lower_inode);
+ return inode;
+out:
+ return ERR_PTR(rc);
+}
+
+/**
+ * ecryptfs_interpose
+ * @lower_dentry: Existing dentry in the lower filesystem
+ * @dentry: ecryptfs' dentry
+ * @sb: ecryptfs's super_block
+ * @flags: flags to govern behavior of interpose procedure
+ *
+ * Interposes upper and lower dentries.
+ *
+ * Returns zero on success; non-zero otherwise
+ */
+int ecryptfs_interpose(struct dentry *lower_dentry, struct dentry *dentry,
+ struct super_block *sb, u32 flags)
+{
+ struct inode *lower_inode = lower_dentry->d_inode;
+ struct inode *inode = ecryptfs_get_inode(lower_inode, sb);
+ if (IS_ERR(inode)
+ return PTR_ERR(inode);
if (flags & ECRYPTFS_INTERPOSE_FLAG_D_ADD)
d_add(dentry, inode);
else
d_instantiate(dentry, inode);
-out:
- return rc;
+ return 0;
}
enum { ecryptfs_opt_sig, ecryptfs_opt_ecryptfs_sig,
@@ -492,59 +501,11 @@ struct kmem_cache *ecryptfs_sb_info_cache;
static struct file_system_type ecryptfs_fs_type;
/**
- * ecryptfs_read_super
- * @sb: The ecryptfs super block
- * @dev_name: The path to mount over
- *
- * Read the super block of the lower filesystem, and use
- * ecryptfs_interpose to create our initial inode and super block
- * struct.
- */
-static int ecryptfs_read_super(struct super_block *sb, const char *dev_name)
-{
- struct path path;
- int rc;
-
- rc = kern_path(dev_name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &path);
- if (rc) {
- ecryptfs_printk(KERN_WARNING, "path_lookup() failed\n");
- goto out;
- }
- if (path.dentry->d_sb->s_type == &ecryptfs_fs_type) {
- rc = -EINVAL;
- printk(KERN_ERR "Mount on filesystem of type "
- "eCryptfs explicitly disallowed due to "
- "known incompatibilities\n");
- goto out_free;
- }
- ecryptfs_set_superblock_lower(sb, path.dentry->d_sb);
- sb->s_maxbytes = path.dentry->d_sb->s_maxbytes;
- sb->s_blocksize = path.dentry->d_sb->s_blocksize;
- ecryptfs_set_dentry_lower(sb->s_root, path.dentry);
- ecryptfs_set_dentry_lower_mnt(sb->s_root, path.mnt);
- rc = ecryptfs_interpose(path.dentry, sb->s_root, sb, 0);
- if (rc)
- goto out_free;
- rc = 0;
- goto out;
-out_free:
- path_put(&path);
-out:
- return rc;
-}
-
-/**
* ecryptfs_get_sb
* @fs_type
* @flags
* @dev_name: The path to mount over
* @raw_data: The options passed into the kernel
- *
- * The whole ecryptfs_get_sb process is broken into 3 functions:
- * ecryptfs_parse_options(): handle options passed to ecryptfs, if any
- * ecryptfs_read_super(): this accesses the lower filesystem and uses
- * ecryptfs_interpose to perform most of the linking
- * ecryptfs_interpose(): links the lower filesystem into ecryptfs (inode.c)
*/
static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags,
const char *dev_name, void *raw_data)
@@ -553,6 +514,8 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags
struct ecryptfs_sb_info *sbi;
struct ecryptfs_dentry_info *root_info;
const char *err = "Getting sb failed";
+ struct inode *inode;
+ struct path path;
int rc;
sbi = kmem_cache_zalloc(ecryptfs_sb_info_cache, GFP_KERNEL);
@@ -575,10 +538,8 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags
s->s_flags = flags;
rc = bdi_setup_and_register(&sbi->bdi, "ecryptfs", BDI_CAP_MAP_COPY);
- if (rc) {
- deactivate_locked_super(s);
- goto out;
- }
+ if (rc)
+ goto out1;
ecryptfs_set_superblock_private(s, sbi);
s->s_bdi = &sbi->bdi;
@@ -586,34 +547,54 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags
/* ->kill_sb() will take care of sbi after that point */
sbi = NULL;
s->s_op = &ecryptfs_sops;
+ s->s_d_op = &ecryptfs_dops;
- rc = -ENOMEM;
- s->s_root = d_alloc(NULL, &(const struct qstr) {
- .hash = 0,.name = "/",.len = 1});
+ err = "Reading sb failed";
+ rc = kern_path(dev_name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &path);
+ if (rc) {
+ ecryptfs_printk(KERN_WARNING, "kern_path() failed\n");
+ goto out1;
+ }
+ if (path.dentry->d_sb->s_type == &ecryptfs_fs_type) {
+ rc = -EINVAL;
+ printk(KERN_ERR "Mount on filesystem of type "
+ "eCryptfs explicitly disallowed due to "
+ "known incompatibilities\n");
+ goto out_free;
+ }
+ ecryptfs_set_superblock_lower(s, path.dentry->d_sb);
+ s->s_maxbytes = path.dentry->d_sb->s_maxbytes;
+ s->s_blocksize = path.dentry->d_sb->s_blocksize;
+
+ inode = ecryptfs_get_inode(path.dentry->d_inode, s);
+ rc = PTR_ERR(inode);
+ if (IS_ERR(inode))
+ goto out_free;
+
+ s->s_root = d_alloc_root(inode);
if (!s->s_root) {
- deactivate_locked_super(s);
- goto out;
+ iput(inode);
+ rc = -ENOMEM;
+ goto out_free;
}
- d_set_d_op(s->s_root, &ecryptfs_dops);
- s->s_root->d_sb = s;
- s->s_root->d_parent = s->s_root;
+ rc = -ENOMEM;
root_info = kmem_cache_zalloc(ecryptfs_dentry_info_cache, GFP_KERNEL);
- if (!root_info) {
- deactivate_locked_super(s);
- goto out;
- }
+ if (!root_info)
+ goto out_free;
+
/* ->kill_sb() will take care of root_info */
ecryptfs_set_dentry_private(s->s_root, root_info);
+ ecryptfs_set_dentry_lower(s->s_root, path.dentry);
+ ecryptfs_set_dentry_lower_mnt(s->s_root, path.mnt);
+
s->s_flags |= MS_ACTIVE;
- rc = ecryptfs_read_super(s, dev_name);
- if (rc) {
- deactivate_locked_super(s);
- err = "Reading sb failed";
- goto out;
- }
return dget(s->s_root);
+out_free:
+ path_put(&path);
+out1:
+ deactivate_locked_super(s);
out:
if (sbi) {
ecryptfs_destroy_mount_crypt_stat(&sbi->mount_crypt_stat);
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index d202d765dad2..c4068f6abf03 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3644,6 +3644,10 @@ long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len)
struct ext4_map_blocks map;
unsigned int credits, blkbits = inode->i_blkbits;
+ /* We only support the FALLOC_FL_KEEP_SIZE mode */
+ if (mode && (mode != FALLOC_FL_KEEP_SIZE))
+ return -EOPNOTSUPP;
+
/*
* currently supporting (pre)allocate mode for extent-based
* files _only_
diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index d75a77f85c28..f50408901f7e 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -319,7 +319,8 @@ extern struct inode *fat_build_inode(struct super_block *sb,
struct msdos_dir_entry *de, loff_t i_pos);
extern int fat_sync_inode(struct inode *inode);
extern int fat_fill_super(struct super_block *sb, void *data, int silent,
- const struct inode_operations *fs_dir_inode_ops, int isvfat);
+ const struct inode_operations *fs_dir_inode_ops,
+ int isvfat, void (*setup)(struct super_block *));
extern int fat_flush_inodes(struct super_block *sb, struct inode *i1,
struct inode *i2);
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 206351af7c58..86753fe10bd1 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -703,7 +703,6 @@ static struct dentry *fat_fh_to_dentry(struct super_block *sb,
struct fid *fid, int fh_len, int fh_type)
{
struct inode *inode = NULL;
- struct dentry *result;
u32 *fh = fid->raw;
if (fh_len < 5 || fh_type != 3)
@@ -748,10 +747,7 @@ static struct dentry *fat_fh_to_dentry(struct super_block *sb,
* the fat_iget lookup again. If that fails, then we are totally out
* of luck. But all that is for another day
*/
- result = d_obtain_alias(inode);
- if (!IS_ERR(result))
- d_set_d_op(result, sb->s_root->d_op);
- return result;
+ return d_obtain_alias(inode);
}
static int
@@ -799,8 +795,6 @@ static struct dentry *fat_get_parent(struct dentry *child)
brelse(bh);
parent = d_obtain_alias(inode);
- if (!IS_ERR(parent))
- d_set_d_op(parent, sb->s_root->d_op);
out:
unlock_super(sb);
@@ -1244,7 +1238,8 @@ static int fat_read_root(struct inode *inode)
* Read the super block of an MS-DOS FS.
*/
int fat_fill_super(struct super_block *sb, void *data, int silent,
- const struct inode_operations *fs_dir_inode_ops, int isvfat)
+ const struct inode_operations *fs_dir_inode_ops, int isvfat,
+ void (*setup)(struct super_block *))
{
struct inode *root_inode = NULL, *fat_inode = NULL;
struct buffer_head *bh;
@@ -1280,6 +1275,8 @@ int fat_fill_super(struct super_block *sb, void *data, int silent,
if (error)
goto out_fail;
+ setup(sb); /* flavour-specific stuff that needs options */
+
error = -EIO;
sb_min_blocksize(sb, 512);
bh = sb_bread(sb, 0);
diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c
index 35ffe43afa4b..711499040eb6 100644
--- a/fs/fat/namei_msdos.c
+++ b/fs/fat/namei_msdos.c
@@ -227,11 +227,7 @@ static struct dentry *msdos_lookup(struct inode *dir, struct dentry *dentry,
}
out:
unlock_super(sb);
- d_set_d_op(dentry, &msdos_dentry_operations);
- dentry = d_splice_alias(inode, dentry);
- if (dentry)
- d_set_d_op(dentry, &msdos_dentry_operations);
- return dentry;
+ return d_splice_alias(inode, dentry);
error:
unlock_super(sb);
@@ -661,21 +657,16 @@ static const struct inode_operations msdos_dir_inode_operations = {
.getattr = fat_getattr,
};
-static int msdos_fill_super(struct super_block *sb, void *data, int silent)
+static void setup(struct super_block *sb)
{
- int res;
-
- lock_super(sb);
- res = fat_fill_super(sb, data, silent, &msdos_dir_inode_operations, 0);
- if (res) {
- unlock_super(sb);
- return res;
- }
-
+ sb->s_d_op = &msdos_dentry_operations;
sb->s_flags |= MS_NOATIME;
- d_set_d_op(sb->s_root, &msdos_dentry_operations);
- unlock_super(sb);
- return 0;
+}
+
+static int msdos_fill_super(struct super_block *sb, void *data, int silent)
+{
+ return fat_fill_super(sb, data, silent, &msdos_dir_inode_operations,
+ 0, setup);
}
static struct dentry *msdos_mount(struct file_system_type *fs_type,
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index e3ffc5e12332..f88f752babd9 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -772,13 +772,10 @@ static struct dentry *vfat_lookup(struct inode *dir, struct dentry *dentry,
out:
unlock_super(sb);
- d_set_d_op(dentry, sb->s_root->d_op);
dentry->d_time = dentry->d_parent->d_inode->i_version;
dentry = d_splice_alias(inode, dentry);
- if (dentry) {
- d_set_d_op(dentry, sb->s_root->d_op);
+ if (dentry)
dentry->d_time = dentry->d_parent->d_inode->i_version;
- }
return dentry;
error:
@@ -1066,24 +1063,18 @@ static const struct inode_operations vfat_dir_inode_operations = {
.getattr = fat_getattr,
};
-static int vfat_fill_super(struct super_block *sb, void *data, int silent)
+static void setup(struct super_block *sb)
{
- int res;
-
- lock_super(sb);
- res = fat_fill_super(sb, data, silent, &vfat_dir_inode_operations, 1);
- if (res) {
- unlock_super(sb);
- return res;
- }
-
if (MSDOS_SB(sb)->options.name_check != 's')
- d_set_d_op(sb->s_root, &vfat_ci_dentry_ops);
+ sb->s_d_op = &vfat_ci_dentry_ops;
else
- d_set_d_op(sb->s_root, &vfat_dentry_ops);
+ sb->s_d_op = &vfat_dentry_ops;
+}
- unlock_super(sb);
- return 0;
+static int vfat_fill_super(struct super_block *sb, void *data, int silent)
+{
+ return fat_fill_super(sb, data, silent, &vfat_dir_inode_operations,
+ 1, setup);
}
static struct dentry *vfat_mount(struct file_system_type *fs_type,
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 042af7346ec1..bfed8447ed80 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -350,7 +350,6 @@ static struct dentry *fuse_lookup(struct inode *dir, struct dentry *entry,
}
entry = newent ? newent : entry;
- d_set_d_op(entry, &fuse_dentry_operations);
if (outarg_valid)
fuse_change_entry_timeout(entry, &outarg);
else
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index f62b32cffea9..9e3f68cc1bd1 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -617,10 +617,8 @@ static struct dentry *fuse_get_dentry(struct super_block *sb,
goto out_iput;
entry = d_obtain_alias(inode);
- if (!IS_ERR(entry) && get_node_id(inode) != FUSE_ROOT_ID) {
- d_set_d_op(entry, &fuse_dentry_operations);
+ if (!IS_ERR(entry) && get_node_id(inode) != FUSE_ROOT_ID)
fuse_invalidate_entry_cache(entry);
- }
return entry;
@@ -719,10 +717,8 @@ static struct dentry *fuse_get_parent(struct dentry *child)
}
parent = d_obtain_alias(inode);
- if (!IS_ERR(parent) && get_node_id(inode) != FUSE_ROOT_ID) {
- d_set_d_op(parent, &fuse_dentry_operations);
+ if (!IS_ERR(parent) && get_node_id(inode) != FUSE_ROOT_ID)
fuse_invalidate_entry_cache(parent);
- }
return parent;
}
@@ -989,6 +985,8 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent)
iput(root);
goto err_put_conn;
}
+ /* only now - we want root dentry with NULL ->d_op */
+ sb->s_d_op = &fuse_dentry_operations;
init_req = fuse_request_alloc();
if (!init_req)
diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c
index 97012ecff560..9023db8184f9 100644
--- a/fs/gfs2/export.c
+++ b/fs/gfs2/export.c
@@ -126,12 +126,7 @@ static int gfs2_get_name(struct dentry *parent, char *name,
static struct dentry *gfs2_get_parent(struct dentry *child)
{
- struct dentry *dentry;
-
- dentry = d_obtain_alias(gfs2_lookupi(child->d_inode, &gfs2_qdotdot, 1));
- if (!IS_ERR(dentry))
- d_set_d_op(dentry, &gfs2_dops);
- return dentry;
+ return d_obtain_alias(gfs2_lookupi(child->d_inode, &gfs2_qdotdot, 1));
}
static struct dentry *gfs2_get_dentry(struct super_block *sb,
@@ -139,7 +134,6 @@ static struct dentry *gfs2_get_dentry(struct super_block *sb,
{
struct gfs2_sbd *sdp = sb->s_fs_info;
struct inode *inode;
- struct dentry *dentry;
inode = gfs2_ilookup(sb, inum->no_addr);
if (inode) {
@@ -156,10 +150,7 @@ static struct dentry *gfs2_get_dentry(struct super_block *sb,
return ERR_CAST(inode);
out_inode:
- dentry = d_obtain_alias(inode);
- if (!IS_ERR(dentry))
- d_set_d_op(dentry, &gfs2_dops);
- return dentry;
+ return d_obtain_alias(inode);
}
static struct dentry *gfs2_fh_to_dentry(struct super_block *sb, struct fid *fid,
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 2aeabd4218cc..693f4470a2df 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -440,7 +440,6 @@ static int gfs2_lookup_root(struct super_block *sb, struct dentry **dptr,
iput(inode);
return -ENOMEM;
}
- d_set_d_op(dentry, &gfs2_dops);
*dptr = dentry;
return 0;
}
@@ -1106,6 +1105,7 @@ static int fill_super(struct super_block *sb, struct gfs2_args *args, int silent
sb->s_magic = GFS2_MAGIC;
sb->s_op = &gfs2_super_ops;
+ sb->s_d_op = &gfs2_dops;
sb->s_export_op = &gfs2_export_ops;
sb->s_xattr = gfs2_xattr_handlers;
sb->s_qcop = &gfs2_quotactl_ops;
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index 1501db4f0e6d..040b5a2e6556 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -106,8 +106,6 @@ static struct dentry *gfs2_lookup(struct inode *dir, struct dentry *dentry,
{
struct inode *inode = NULL;
- d_set_d_op(dentry, &gfs2_dops);
-
inode = gfs2_lookupi(dir, &dentry->d_name, 0);
if (inode && IS_ERR(inode))
return ERR_CAST(inode);
@@ -1427,6 +1425,10 @@ static long gfs2_fallocate(struct inode *inode, int mode, loff_t offset,
loff_t next = (offset + len - 1) >> sdp->sd_sb.sb_bsize_shift;
next = (next + 1) << sdp->sd_sb.sb_bsize_shift;
+ /* We only support the FALLOC_FL_KEEP_SIZE mode */
+ if (mode && (mode != FALLOC_FL_KEEP_SIZE))
+ return -EOPNOTSUPP;
+
offset = (offset >> sdp->sd_sb.sb_bsize_shift) <<
sdp->sd_sb.sb_bsize_shift;
diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c
index ea4aefe7c652..afa66aaa2237 100644
--- a/fs/hfs/dir.c
+++ b/fs/hfs/dir.c
@@ -25,8 +25,6 @@ static struct dentry *hfs_lookup(struct inode *dir, struct dentry *dentry,
struct inode *inode = NULL;
int res;
- d_set_d_op(dentry, &hfs_dentry_operations);
-
hfs_find_init(HFS_SB(dir->i_sb)->cat_tree, &fd);
hfs_cat_build_key(dir->i_sb, fd.search_key, dir->i_ino, &dentry->d_name);
res = hfs_brec_read(&fd, &rec, sizeof(rec));
diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index 0bef62aa4f42..1b55f704fb22 100644
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -429,13 +429,12 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent)
if (!root_inode)
goto bail_no_root;
+ sb->s_d_op = &hfs_dentry_operations;
res = -ENOMEM;
sb->s_root = d_alloc_root(root_inode);
if (!sb->s_root)
goto bail_iput;
- d_set_d_op(sb->s_root, &hfs_dentry_operations);
-
/* everything's okay */
return 0;
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index f896dc843026..4df5059c25da 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -37,7 +37,6 @@ static struct dentry *hfsplus_lookup(struct inode *dir, struct dentry *dentry,
sb = dir->i_sb;
- d_set_d_op(dentry, &hfsplus_dentry_operations);
dentry->d_fsdata = NULL;
hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd);
hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, &dentry->d_name);
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index 6ee6ad20acf2..9a3b4795f43c 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -444,13 +444,13 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
err = PTR_ERR(root);
goto cleanup;
}
+ sb->s_d_op = &hfsplus_dentry_operations;
sb->s_root = d_alloc_root(root);
if (!sb->s_root) {
iput(root);
err = -ENOMEM;
goto cleanup;
}
- d_set_d_op(sb->s_root, &hfsplus_dentry_operations);
str.len = sizeof(HFSP_HIDDENDIR_NAME) - 1;
str.name = HFSP_HIDDENDIR_NAME;
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index d3244d949a4e..2638c834ed28 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -612,7 +612,6 @@ struct dentry *hostfs_lookup(struct inode *ino, struct dentry *dentry,
goto out_put;
d_add(dentry, inode);
- d_set_d_op(dentry, &hostfs_dentry_ops);
return NULL;
out_put:
@@ -922,6 +921,7 @@ static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent)
sb->s_blocksize_bits = 10;
sb->s_magic = HOSTFS_SUPER_MAGIC;
sb->s_op = &hostfs_sbops;
+ sb->s_d_op = &hostfs_dentry_ops;
sb->s_maxbytes = MAX_LFS_FILESIZE;
/* NULL is printed as <NULL> by sprintf: avoid that. */
diff --git a/fs/hpfs/dentry.c b/fs/hpfs/dentry.c
index 32c13a94e1e9..05d4816e4e77 100644
--- a/fs/hpfs/dentry.c
+++ b/fs/hpfs/dentry.c
@@ -58,12 +58,7 @@ static int hpfs_compare_dentry(const struct dentry *parent,
return 0;
}
-static const struct dentry_operations hpfs_dentry_operations = {
+const struct dentry_operations hpfs_dentry_operations = {
.d_hash = hpfs_hash_dentry,
.d_compare = hpfs_compare_dentry,
};
-
-void hpfs_set_dentry_operations(struct dentry *dentry)
-{
- d_set_d_op(dentry, &hpfs_dentry_operations);
-}
diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c
index 2338130cceba..d32f63a569f7 100644
--- a/fs/hpfs/dir.c
+++ b/fs/hpfs/dir.c
@@ -298,7 +298,6 @@ struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, struct name
end:
end_add:
- hpfs_set_dentry_operations(dentry);
unlock_kernel();
d_add(dentry, result);
return NULL;
diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index 2fee17d0d9ab..1c43dbea55e8 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -233,7 +233,7 @@ void hpfs_mark_4buffers_dirty(struct quad_buffer_head *);
/* dentry.c */
-void hpfs_set_dentry_operations(struct dentry *);
+extern const struct dentry_operations hpfs_dentry_operations;
/* dir.c */
diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index 49935ba78db8..b30426b1fc97 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -550,6 +550,7 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)
/* Fill superblock stuff */
s->s_magic = HPFS_SUPER_MAGIC;
s->s_op = &hpfs_sops;
+ s->s_d_op = &hpfs_dentry_operations;
sbi->sb_root = superblock->root;
sbi->sb_fs_size = superblock->n_sectors;
@@ -651,7 +652,6 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)
iput(root);
goto bail0;
}
- hpfs_set_dentry_operations(s->s_root);
/*
* find the root directory's . pointer & finish filling in the inode
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 844a7903c72f..a0f3833c0dbf 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -939,17 +939,18 @@ root_found:
goto out_iput;
}
- /* get the root dentry */
- s->s_root = d_alloc_root(inode);
- if (!(s->s_root))
- goto out_no_root;
-
table = 0;
if (joliet_level)
table += 2;
if (opt.check == 'r')
table++;
- d_set_d_op(s->s_root, &isofs_dentry_ops[table]);
+
+ s->s_d_op = &isofs_dentry_ops[table];
+
+ /* get the root dentry */
+ s->s_root = d_alloc_root(inode);
+ if (!(s->s_root))
+ goto out_no_root;
kfree(opt.iocharset);
diff --git a/fs/isofs/namei.c b/fs/isofs/namei.c
index 679a849c3b27..4fb3e8074fd4 100644
--- a/fs/isofs/namei.c
+++ b/fs/isofs/namei.c
@@ -172,8 +172,6 @@ struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, struct nam
struct inode *inode;
struct page *page;
- d_set_d_op(dentry, dir->i_sb->s_root->d_op);
-
page = alloc_page(GFP_USER);
if (!page)
return ERR_PTR(-ENOMEM);
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 4414e3a42264..81ead850ddb6 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1465,9 +1465,6 @@ static struct dentry *jfs_lookup(struct inode *dip, struct dentry *dentry, struc
jfs_info("jfs_lookup: name = %s", name);
- if (JFS_SBI(dip->i_sb)->mntflag & JFS_OS2)
- d_set_d_op(dentry, &jfs_ci_dentry_operations);
-
if ((name[0] == '.') && (len == 1))
inum = dip->i_ino;
else if (strcmp(name, "..") == 0)
@@ -1492,12 +1489,7 @@ static struct dentry *jfs_lookup(struct inode *dip, struct dentry *dentry, struc
return ERR_CAST(ip);
}
- dentry = d_splice_alias(ip, dentry);
-
- if (dentry && (JFS_SBI(dip->i_sb)->mntflag & JFS_OS2))
- d_set_d_op(dentry, &jfs_ci_dentry_operations);
-
- return dentry;
+ return d_splice_alias(ip, dentry);
}
static struct inode *jfs_nfs_get_inode(struct super_block *sb,
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 3150d766e0d4..eeca48a031ab 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -515,6 +515,9 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_magic = JFS_SUPER_MAGIC;
+ if (sbi->mntflag & JFS_OS2)
+ sb->s_d_op = &jfs_ci_dentry_operations;
+
inode = jfs_iget(sb, ROOT_I);
if (IS_ERR(inode)) {
ret = PTR_ERR(inode);
@@ -524,9 +527,6 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
if (!sb->s_root)
goto out_no_root;
- if (sbi->mntflag & JFS_OS2)
- d_set_d_op(sb->s_root, &jfs_ci_dentry_operations);
-
/* logical blocks are represented by 40 bits in pxd_t, etc. */
sb->s_maxbytes = ((u64) sb->s_blocksize) << 40;
#if BITS_PER_LONG == 32
diff --git a/fs/libfs.c b/fs/libfs.c
index 889311e3d06b..c88eab55aec9 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -217,7 +217,8 @@ static const struct super_operations simple_super_operations = {
* will never be mountable)
*/
struct dentry *mount_pseudo(struct file_system_type *fs_type, char *name,
- const struct super_operations *ops, unsigned long magic)
+ const struct super_operations *ops,
+ const struct dentry_operations *dops, unsigned long magic)
{
struct super_block *s = sget(fs_type, NULL, set_anon_super, NULL);
struct dentry *dentry;
@@ -254,6 +255,7 @@ struct dentry *mount_pseudo(struct file_system_type *fs_type, char *name,
dentry->d_parent = dentry;
d_instantiate(dentry, root);
s->s_root = dentry;
+ s->s_d_op = dops;
s->s_flags |= MS_ACTIVE;
return dget(s->s_root);
diff --git a/fs/minix/namei.c b/fs/minix/namei.c
index 1b9e07728a9f..ce7337ddfdbf 100644
--- a/fs/minix/namei.c
+++ b/fs/minix/namei.c
@@ -23,8 +23,6 @@ static struct dentry *minix_lookup(struct inode * dir, struct dentry *dentry, st
struct inode * inode = NULL;
ino_t ino;
- d_set_d_op(dentry, dir->i_sb->s_root->d_op);
-
if (dentry->d_name.len > minix_sb(dir->i_sb)->s_namelen)
return ERR_PTR(-ENAMETOOLONG);
diff --git a/fs/namei.c b/fs/namei.c
index 24ece10470b6..0b14f6910fc6 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1950,8 +1950,9 @@ int may_open(struct path *path, int acc_mode, int flag)
return break_lease(inode, flag);
}
-static int handle_truncate(struct path *path)
+static int handle_truncate(struct file *filp)
{
+ struct path *path = &filp->f_path;
struct inode *inode = path->dentry->d_inode;
int error = get_write_access(inode);
if (error)
@@ -1965,7 +1966,7 @@ static int handle_truncate(struct path *path)
if (!error) {
error = do_truncate(path->dentry, 0,
ATTR_MTIME|ATTR_CTIME|ATTR_OPEN,
- NULL);
+ filp);
}
put_write_access(inode);
return error;
@@ -2063,7 +2064,7 @@ static struct file *finish_open(struct nameidata *nd,
}
if (!IS_ERR(filp)) {
if (will_truncate) {
- error = handle_truncate(&nd->path);
+ error = handle_truncate(filp);
if (error) {
fput(filp);
filp = ERR_PTR(error);
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index 28f136d4aaec..f6946bb5cb55 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -21,9 +21,7 @@
#include <asm/uaccess.h>
#include <asm/byteorder.h>
-#include <linux/ncp_fs.h>
-
-#include "ncplib_kernel.h"
+#include "ncp_fs.h"
static void ncp_read_volume_list(struct file *, void *, filldir_t,
struct ncp_cache_control *);
@@ -82,7 +80,7 @@ static int ncp_compare_dentry(const struct dentry *, const struct inode *,
unsigned int, const char *, const struct qstr *);
static int ncp_delete_dentry(const struct dentry *);
-static const struct dentry_operations ncp_dentry_operations =
+const struct dentry_operations ncp_dentry_operations =
{
.d_revalidate = ncp_lookup_validate,
.d_hash = ncp_hash_dentry,
@@ -90,14 +88,6 @@ static const struct dentry_operations ncp_dentry_operations =
.d_delete = ncp_delete_dentry,
};
-const struct dentry_operations ncp_root_dentry_operations =
-{
- .d_hash = ncp_hash_dentry,
- .d_compare = ncp_compare_dentry,
- .d_delete = ncp_delete_dentry,
-};
-
-
#define ncp_namespace(i) (NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])
static inline int ncp_preserve_entry_case(struct inode *i, __u32 nscreator)
@@ -309,6 +299,9 @@ ncp_lookup_validate(struct dentry *dentry, struct nameidata *nd)
int res, val = 0, len;
__u8 __name[NCP_MAXPATHLEN + 1];
+ if (dentry == dentry->d_sb->s_root)
+ return 1;
+
if (nd->flags & LOOKUP_RCU)
return -ECHILD;
@@ -637,7 +630,6 @@ ncp_fill_cache(struct file *filp, void *dirent, filldir_t filldir,
entry->ino = iunique(dir->i_sb, 2);
inode = ncp_iget(dir->i_sb, entry);
if (inode) {
- d_set_d_op(newdent, &ncp_dentry_operations);
d_instantiate(newdent, inode);
if (!hashed)
d_rehash(newdent);
@@ -893,7 +885,6 @@ static struct dentry *ncp_lookup(struct inode *dir, struct dentry *dentry, struc
if (inode) {
ncp_new_dentry(dentry);
add_entry:
- d_set_d_op(dentry, &ncp_dentry_operations);
d_add(dentry, inode);
error = 0;
}
diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c
index cb50aaf981df..0ed65e0c3dfe 100644
--- a/fs/ncpfs/file.c
+++ b/fs/ncpfs/file.c
@@ -18,8 +18,7 @@
#include <linux/vmalloc.h>
#include <linux/sched.h>
-#include <linux/ncp_fs.h>
-#include "ncplib_kernel.h"
+#include "ncp_fs.h"
static int ncp_fsync(struct file *file, int datasync)
{
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index 9b39a5dd4131..00a1d1c3d3a4 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -31,11 +31,9 @@
#include <linux/seq_file.h>
#include <linux/namei.h>
-#include <linux/ncp_fs.h>
-
#include <net/sock.h>
-#include "ncplib_kernel.h"
+#include "ncp_fs.h"
#include "getopt.h"
#define NCP_DEFAULT_FILE_MODE 0600
@@ -544,6 +542,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
sb->s_blocksize_bits = 10;
sb->s_magic = NCP_SUPER_MAGIC;
sb->s_op = &ncp_sops;
+ sb->s_d_op = &ncp_dentry_operations;
sb->s_bdi = &server->bdi;
server = NCP_SBP(sb);
@@ -723,7 +722,6 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
sb->s_root = d_alloc_root(root_inode);
if (!sb->s_root)
goto out_no_root;
- d_set_d_op(sb->s_root, &ncp_root_dentry_operations);
return 0;
out_no_root:
diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c
index d40a547e3377..790e92a9ec63 100644
--- a/fs/ncpfs/ioctl.c
+++ b/fs/ncpfs/ioctl.c
@@ -20,11 +20,9 @@
#include <linux/vmalloc.h>
#include <linux/sched.h>
-#include <linux/ncp_fs.h>
-
#include <asm/uaccess.h>
-#include "ncplib_kernel.h"
+#include "ncp_fs.h"
/* maximum limit for ncp_objectname_ioctl */
#define NCP_OBJECT_NAME_MAX_LEN 4096
diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c
index 56f5b3a0e1ee..a7c07b44b100 100644
--- a/fs/ncpfs/mmap.c
+++ b/fs/ncpfs/mmap.c
@@ -16,12 +16,12 @@
#include <linux/mman.h>
#include <linux/string.h>
#include <linux/fcntl.h>
-#include <linux/ncp_fs.h>
-#include "ncplib_kernel.h"
#include <asm/uaccess.h>
#include <asm/system.h>
+#include "ncp_fs.h"
+
/*
* Fill in the supplied page for mmap
* XXX: how are we excluding truncate/invalidate here? Maybe need to lock
diff --git a/fs/ncpfs/ncp_fs.h b/fs/ncpfs/ncp_fs.h
new file mode 100644
index 000000000000..31831afe1c3b
--- /dev/null
+++ b/fs/ncpfs/ncp_fs.h
@@ -0,0 +1,98 @@
+#include <linux/ncp_fs.h>
+#include "ncp_fs_i.h"
+#include "ncp_fs_sb.h"
+
+/* define because it is easy to change PRINTK to {*}PRINTK */
+#define PRINTK(format, args...) printk(KERN_DEBUG format , ## args)
+
+#undef NCPFS_PARANOIA
+#ifdef NCPFS_PARANOIA
+#define PPRINTK(format, args...) PRINTK(format , ## args)
+#else
+#define PPRINTK(format, args...)
+#endif
+
+#ifndef DEBUG_NCP
+#define DEBUG_NCP 0
+#endif
+#if DEBUG_NCP > 0
+#define DPRINTK(format, args...) PRINTK(format , ## args)
+#else
+#define DPRINTK(format, args...)
+#endif
+#if DEBUG_NCP > 1
+#define DDPRINTK(format, args...) PRINTK(format , ## args)
+#else
+#define DDPRINTK(format, args...)
+#endif
+
+#define NCP_MAX_RPC_TIMEOUT (6*HZ)
+
+
+struct ncp_entry_info {
+ struct nw_info_struct i;
+ ino_t ino;
+ int opened;
+ int access;
+ unsigned int volume;
+ __u8 file_handle[6];
+};
+
+static inline struct ncp_server *NCP_SBP(const struct super_block *sb)
+{
+ return sb->s_fs_info;
+}
+
+#define NCP_SERVER(inode) NCP_SBP((inode)->i_sb)
+static inline struct ncp_inode_info *NCP_FINFO(const struct inode *inode)
+{
+ return container_of(inode, struct ncp_inode_info, vfs_inode);
+}
+
+/* linux/fs/ncpfs/inode.c */
+int ncp_notify_change(struct dentry *, struct iattr *);
+struct inode *ncp_iget(struct super_block *, struct ncp_entry_info *);
+void ncp_update_inode(struct inode *, struct ncp_entry_info *);
+void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
+
+/* linux/fs/ncpfs/dir.c */
+extern const struct inode_operations ncp_dir_inode_operations;
+extern const struct file_operations ncp_dir_operations;
+extern const struct dentry_operations ncp_dentry_operations;
+int ncp_conn_logged_in(struct super_block *);
+int ncp_date_dos2unix(__le16 time, __le16 date);
+void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
+
+/* linux/fs/ncpfs/ioctl.c */
+long ncp_ioctl(struct file *, unsigned int, unsigned long);
+long ncp_compat_ioctl(struct file *, unsigned int, unsigned long);
+
+/* linux/fs/ncpfs/sock.c */
+int ncp_request2(struct ncp_server *server, int function,
+ void* reply, int max_reply_size);
+static inline int ncp_request(struct ncp_server *server, int function) {
+ return ncp_request2(server, function, server->packet, server->packet_size);
+}
+int ncp_connect(struct ncp_server *server);
+int ncp_disconnect(struct ncp_server *server);
+void ncp_lock_server(struct ncp_server *server);
+void ncp_unlock_server(struct ncp_server *server);
+
+/* linux/fs/ncpfs/symlink.c */
+#if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS)
+extern const struct address_space_operations ncp_symlink_aops;
+int ncp_symlink(struct inode*, struct dentry*, const char*);
+#endif
+
+/* linux/fs/ncpfs/file.c */
+extern const struct inode_operations ncp_file_inode_operations;
+extern const struct file_operations ncp_file_operations;
+int ncp_make_open(struct inode *, int);
+
+/* linux/fs/ncpfs/mmap.c */
+int ncp_mmap(struct file *, struct vm_area_struct *);
+
+/* linux/fs/ncpfs/ncplib_kernel.c */
+int ncp_make_closed(struct inode *);
+
+#include "ncplib_kernel.h"
diff --git a/fs/ncpfs/ncp_fs_i.h b/fs/ncpfs/ncp_fs_i.h
new file mode 100644
index 000000000000..4b0bec477846
--- /dev/null
+++ b/fs/ncpfs/ncp_fs_i.h
@@ -0,0 +1,29 @@
+/*
+ * ncp_fs_i.h
+ *
+ * Copyright (C) 1995 Volker Lendecke
+ *
+ */
+
+#ifndef _LINUX_NCP_FS_I
+#define _LINUX_NCP_FS_I
+
+/*
+ * This is the ncpfs part of the inode structure. This must contain
+ * all the information we need to work with an inode after creation.
+ */
+struct ncp_inode_info {
+ __le32 dirEntNum;
+ __le32 DosDirNum;
+ __u8 volNumber;
+ __le32 nwattr;
+ struct mutex open_mutex;
+ atomic_t opened;
+ int access;
+ int flags;
+#define NCPI_KLUDGE_SYMLINK 0x0001
+ __u8 file_handle[6];
+ struct inode vfs_inode;
+};
+
+#endif /* _LINUX_NCP_FS_I */
diff --git a/fs/ncpfs/ncp_fs_sb.h b/fs/ncpfs/ncp_fs_sb.h
new file mode 100644
index 000000000000..4af803f13516
--- /dev/null
+++ b/fs/ncpfs/ncp_fs_sb.h
@@ -0,0 +1,176 @@
+/*
+ * ncp_fs_sb.h
+ *
+ * Copyright (C) 1995, 1996 by Volker Lendecke
+ *
+ */
+
+#ifndef _NCP_FS_SB
+#define _NCP_FS_SB
+
+#include <linux/types.h>
+#include <linux/ncp_mount.h>
+#include <linux/net.h>
+#include <linux/mutex.h>
+#include <linux/backing-dev.h>
+#include <linux/workqueue.h>
+
+#define NCP_DEFAULT_OPTIONS 0 /* 2 for packet signatures */
+
+struct sock;
+
+struct ncp_mount_data_kernel {
+ unsigned long flags; /* NCP_MOUNT_* flags */
+ unsigned int int_flags; /* internal flags */
+#define NCP_IMOUNT_LOGGEDIN_POSSIBLE 0x0001
+ __kernel_uid32_t mounted_uid; /* Who may umount() this filesystem? */
+ struct pid *wdog_pid; /* Who cares for our watchdog packets? */
+ unsigned int ncp_fd; /* The socket to the ncp port */
+ unsigned int time_out; /* How long should I wait after
+ sending a NCP request? */
+ unsigned int retry_count; /* And how often should I retry? */
+ unsigned char mounted_vol[NCP_VOLNAME_LEN + 1];
+ __kernel_uid32_t uid;
+ __kernel_gid32_t gid;
+ __kernel_mode_t file_mode;
+ __kernel_mode_t dir_mode;
+ int info_fd;
+};
+
+struct ncp_server {
+
+ struct ncp_mount_data_kernel m; /* Nearly all of the mount data is of
+ interest for us later, so we store
+ it completely. */
+
+ __u8 name_space[NCP_NUMBER_OF_VOLUMES + 2];
+
+ struct file *ncp_filp; /* File pointer to ncp socket */
+ struct socket *ncp_sock;/* ncp socket */
+ struct file *info_filp;
+ struct socket *info_sock;
+
+ u8 sequence;
+ u8 task;
+ u16 connection; /* Remote connection number */
+
+ u8 completion; /* Status message from server */
+ u8 conn_status; /* Bit 4 = 1 ==> Server going down, no
+ requests allowed anymore.
+ Bit 0 = 1 ==> Server is down. */
+
+ int buffer_size; /* Negotiated bufsize */
+
+ int reply_size; /* Size of last reply */
+
+ int packet_size;
+ unsigned char *packet; /* Here we prepare requests and
+ receive replies */
+ unsigned char *txbuf; /* Storage for current request */
+ unsigned char *rxbuf; /* Storage for reply to current request */
+
+ int lock; /* To prevent mismatch in protocols. */
+ struct mutex mutex;
+
+ int current_size; /* for packet preparation */
+ int has_subfunction;
+ int ncp_reply_size;
+
+ int root_setuped;
+ struct mutex root_setup_lock;
+
+ /* info for packet signing */
+ int sign_wanted; /* 1=Server needs signed packets */
+ int sign_active; /* 0=don't do signing, 1=do */
+ char sign_root[8]; /* generated from password and encr. key */
+ char sign_last[16];
+
+ /* Authentication info: NDS or BINDERY, username */
+ struct {
+ int auth_type;
+ size_t object_name_len;
+ void* object_name;
+ int object_type;
+ } auth;
+ /* Password info */
+ struct {
+ size_t len;
+ void* data;
+ } priv;
+ struct rw_semaphore auth_rwsem;
+
+ /* nls info: codepage for volume and charset for I/O */
+ struct nls_table *nls_vol;
+ struct nls_table *nls_io;
+
+ /* maximum age in jiffies */
+ atomic_t dentry_ttl;
+
+ /* miscellaneous */
+ unsigned int flags;
+
+ spinlock_t requests_lock; /* Lock accesses to tx.requests, tx.creq and rcv.creq when STREAM mode */
+
+ void (*data_ready)(struct sock* sk, int len);
+ void (*error_report)(struct sock* sk);
+ void (*write_space)(struct sock* sk); /* STREAM mode only */
+ struct {
+ struct work_struct tq; /* STREAM/DGRAM: data/error ready */
+ struct ncp_request_reply* creq; /* STREAM/DGRAM: awaiting reply from this request */
+ struct mutex creq_mutex; /* DGRAM only: lock accesses to rcv.creq */
+
+ unsigned int state; /* STREAM only: receiver state */
+ struct {
+ __u32 magic __packed;
+ __u32 len __packed;
+ __u16 type __packed;
+ __u16 p1 __packed;
+ __u16 p2 __packed;
+ __u16 p3 __packed;
+ __u16 type2 __packed;
+ } buf; /* STREAM only: temporary buffer */
+ unsigned char* ptr; /* STREAM only: pointer to data */
+ size_t len; /* STREAM only: length of data to receive */
+ } rcv;
+ struct {
+ struct list_head requests; /* STREAM only: queued requests */
+ struct work_struct tq; /* STREAM only: transmitter ready */
+ struct ncp_request_reply* creq; /* STREAM only: currently transmitted entry */
+ } tx;
+ struct timer_list timeout_tm; /* DGRAM only: timeout timer */
+ struct work_struct timeout_tq; /* DGRAM only: associated queue, we run timers from process context */
+ int timeout_last; /* DGRAM only: current timeout length */
+ int timeout_retries; /* DGRAM only: retries left */
+ struct {
+ size_t len;
+ __u8 data[128];
+ } unexpected_packet;
+ struct backing_dev_info bdi;
+};
+
+extern void ncp_tcp_rcv_proc(struct work_struct *work);
+extern void ncp_tcp_tx_proc(struct work_struct *work);
+extern void ncpdgram_rcv_proc(struct work_struct *work);
+extern void ncpdgram_timeout_proc(struct work_struct *work);
+extern void ncpdgram_timeout_call(unsigned long server);
+extern void ncp_tcp_data_ready(struct sock* sk, int len);
+extern void ncp_tcp_write_space(struct sock* sk);
+extern void ncp_tcp_error_report(struct sock* sk);
+
+#define NCP_FLAG_UTF8 1
+
+#define NCP_CLR_FLAG(server, flag) ((server)->flags &= ~(flag))
+#define NCP_SET_FLAG(server, flag) ((server)->flags |= (flag))
+#define NCP_IS_FLAG(server, flag) ((server)->flags & (flag))
+
+static inline int ncp_conn_valid(struct ncp_server *server)
+{
+ return ((server->conn_status & 0x11) == 0);
+}
+
+static inline void ncp_invalidate_conn(struct ncp_server *server)
+{
+ server->conn_status |= 0x01;
+}
+
+#endif
diff --git a/fs/ncpfs/ncplib_kernel.c b/fs/ncpfs/ncplib_kernel.c
index a95615a0b6ac..981a95617fc9 100644
--- a/fs/ncpfs/ncplib_kernel.c
+++ b/fs/ncpfs/ncplib_kernel.c
@@ -11,7 +11,7 @@
-#include "ncplib_kernel.h"
+#include "ncp_fs.h"
static inline void assert_server_locked(struct ncp_server *server)
{
diff --git a/fs/ncpfs/ncplib_kernel.h b/fs/ncpfs/ncplib_kernel.h
index 1220df75ff22..09881e6aa5ad 100644
--- a/fs/ncpfs/ncplib_kernel.h
+++ b/fs/ncpfs/ncplib_kernel.h
@@ -32,8 +32,6 @@
#include <linux/ctype.h>
#endif /* CONFIG_NCPFS_NLS */
-#include <linux/ncp_fs.h>
-
#define NCP_MIN_SYMLINK_SIZE 8
#define NCP_MAX_SYMLINK_SIZE 512
diff --git a/fs/ncpfs/ncpsign_kernel.c b/fs/ncpfs/ncpsign_kernel.c
index d8b2d7e6910b..08907599dcd2 100644
--- a/fs/ncpfs/ncpsign_kernel.c
+++ b/fs/ncpfs/ncpsign_kernel.c
@@ -11,6 +11,7 @@
#include <linux/string.h>
#include <linux/ncp.h>
#include <linux/bitops.h>
+#include "ncp_fs.h"
#include "ncpsign_kernel.h"
/* i386: 32-bit, little endian, handles mis-alignment */
diff --git a/fs/ncpfs/ncpsign_kernel.h b/fs/ncpfs/ncpsign_kernel.h
index 6451a68381cc..d9a1438bb1f6 100644
--- a/fs/ncpfs/ncpsign_kernel.h
+++ b/fs/ncpfs/ncpsign_kernel.h
@@ -8,8 +8,6 @@
#ifndef _NCPSIGN_KERNEL_H
#define _NCPSIGN_KERNEL_H
-#include <linux/ncp_fs.h>
-
#ifdef CONFIG_NCPFS_PACKET_SIGNING
void __sign_packet(struct ncp_server *server, const char *data, size_t size, __u32 totalsize, void *sign_buff);
int sign_verify_reply(struct ncp_server *server, const char *data, size_t size, __u32 totalsize, const void *sign_buff);
diff --git a/fs/ncpfs/sock.c b/fs/ncpfs/sock.c
index 668bd267346e..3a1587222c8a 100644
--- a/fs/ncpfs/sock.c
+++ b/fs/ncpfs/sock.c
@@ -28,7 +28,7 @@
#include <linux/poll.h>
#include <linux/file.h>
-#include <linux/ncp_fs.h>
+#include "ncp_fs.h"
#include "ncpsign_kernel.h"
diff --git a/fs/ncpfs/symlink.c b/fs/ncpfs/symlink.c
index c634fd17b337..661f861d80c6 100644
--- a/fs/ncpfs/symlink.c
+++ b/fs/ncpfs/symlink.c
@@ -25,13 +25,11 @@
#include <linux/errno.h>
#include <linux/fs.h>
-#include <linux/ncp_fs.h>
#include <linux/time.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/stat.h>
-#include "ncplib_kernel.h"
-
+#include "ncp_fs.h"
/* these magic numbers must appear in the symlink file -- this makes it a bit
more resilient against the magic attributes being set on random files. */
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index abe4f0c8dc5f..95b081bc9e25 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -439,7 +439,6 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry)
if (dentry == NULL)
return;
- d_set_d_op(dentry, NFS_PROTO(dir)->dentry_ops);
inode = nfs_fhget(dentry->d_sb, entry->fh, entry->fattr);
if (IS_ERR(inode))
goto out;
@@ -1193,8 +1192,6 @@ static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, stru
if (dentry->d_name.len > NFS_SERVER(dir)->namelen)
goto out;
- d_set_d_op(dentry, NFS_PROTO(dir)->dentry_ops);
-
/*
* If we're doing an exclusive create, optimize away the lookup
* but don't hash the dentry.
@@ -1338,7 +1335,6 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry
res = ERR_PTR(-ENAMETOOLONG);
goto out;
}
- d_set_d_op(dentry, NFS_PROTO(dir)->dentry_ops);
/* Let vfs_create() deal with O_EXCL. Instantiate, but don't hash
* the dentry. */
diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
index 5596c6a2881e..b5ffe8fa291f 100644
--- a/fs/nfs/getroot.c
+++ b/fs/nfs/getroot.c
@@ -119,9 +119,6 @@ struct dentry *nfs_get_root(struct super_block *sb, struct nfs_fh *mntfh)
}
security_d_instantiate(ret, inode);
-
- if (ret->d_op == NULL)
- d_set_d_op(ret, server->nfs_client->rpc_ops->dentry_ops);
out:
nfs_free_fattr(fsinfo.fattr);
return ret;
@@ -227,9 +224,6 @@ struct dentry *nfs4_get_root(struct super_block *sb, struct nfs_fh *mntfh)
security_d_instantiate(ret, inode);
- if (ret->d_op == NULL)
- d_set_d_op(ret, server->nfs_client->rpc_ops->dentry_ops);
-
out:
nfs_free_fattr(fattr);
dprintk("<-- nfs4_get_root()\n");
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 0f9ea73e7789..b68c8607770f 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2202,6 +2202,7 @@ static int nfs_set_super(struct super_block *s, void *data)
s->s_flags = sb_mntdata->mntflags;
s->s_fs_info = server;
+ s->s_d_op = server->nfs_client->rpc_ops->dentry_ops;
ret = set_anon_super(s, server);
if (ret == 0)
server->s_dev = s->s_dev;
diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c
index 6adafa576065..5dbc3062b4fd 100644
--- a/fs/ocfs2/export.c
+++ b/fs/ocfs2/export.c
@@ -137,9 +137,7 @@ check_gen:
}
result = d_obtain_alias(inode);
- if (!IS_ERR(result))
- d_set_d_op(result, &ocfs2_dentry_ops);
- else
+ if (IS_ERR(result))
mlog_errno(PTR_ERR(result));
bail:
@@ -175,8 +173,6 @@ static struct dentry *ocfs2_get_parent(struct dentry *child)
}
parent = d_obtain_alias(ocfs2_iget(OCFS2_SB(dir->i_sb), blkno, 0, 0));
- if (!IS_ERR(parent))
- d_set_d_op(parent, &ocfs2_dentry_ops);
bail_unlock:
ocfs2_inode_unlock(dir, 0);
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index bdadbae09094..63e3fca266e0 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1995,6 +1995,7 @@ static long ocfs2_fallocate(struct inode *inode, int mode, loff_t offset,
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct ocfs2_space_resv sr;
int change_size = 1;
+ int cmd = OCFS2_IOC_RESVSP64;
if (!ocfs2_writes_unwritten_extents(osb))
return -EOPNOTSUPP;
@@ -2005,12 +2006,15 @@ static long ocfs2_fallocate(struct inode *inode, int mode, loff_t offset,
if (mode & FALLOC_FL_KEEP_SIZE)
change_size = 0;
+ if (mode & FALLOC_FL_PUNCH_HOLE)
+ cmd = OCFS2_IOC_UNRESVSP64;
+
sr.l_whence = 0;
sr.l_start = (s64)offset;
sr.l_len = (s64)len;
- return __ocfs2_change_file_space(NULL, inode, offset,
- OCFS2_IOC_RESVSP64, &sr, change_size);
+ return __ocfs2_change_file_space(NULL, inode, offset, cmd, &sr,
+ change_size);
}
int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 30c523144452..849fb4a2e814 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -147,7 +147,6 @@ static struct dentry *ocfs2_lookup(struct inode *dir, struct dentry *dentry,
spin_unlock(&oi->ip_lock);
bail_add:
- d_set_d_op(dentry, &ocfs2_dentry_ops);
ret = d_splice_alias(inode, dentry);
if (inode) {
@@ -415,7 +414,6 @@ static int ocfs2_mknod(struct inode *dir,
mlog_errno(status);
goto leave;
}
- d_set_d_op(dentry, &ocfs2_dentry_ops);
status = ocfs2_add_entry(handle, dentry, inode,
OCFS2_I(inode)->ip_blkno, parent_fe_bh,
@@ -743,7 +741,6 @@ static int ocfs2_link(struct dentry *old_dentry,
}
ihold(inode);
- d_set_d_op(dentry, &ocfs2_dentry_ops);
d_instantiate(dentry, inode);
out_commit:
@@ -1797,7 +1794,6 @@ static int ocfs2_symlink(struct inode *dir,
mlog_errno(status);
goto bail;
}
- d_set_d_op(dentry, &ocfs2_dentry_ops);
status = ocfs2_add_entry(handle, dentry, inode,
le64_to_cpu(fe->i_blkno), parent_fe_bh,
@@ -2462,7 +2458,6 @@ int ocfs2_mv_orphaned_inode_to_new(struct inode *dir,
goto out_commit;
}
- d_set_d_op(dentry, &ocfs2_dentry_ops);
d_instantiate(dentry, inode);
status = 0;
out_commit:
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 17ff46fa8a10..06d1f749ca89 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -2097,6 +2097,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
sb->s_fs_info = osb;
sb->s_op = &ocfs2_sops;
+ sb->s_d_op = &ocfs2_dentry_ops;
sb->s_export_op = &ocfs2_export_ops;
sb->s_qcop = &ocfs2_quotactl_ops;
sb->dq_op = &ocfs2_quota_operations;
diff --git a/fs/open.c b/fs/open.c
index 4197b9ed023d..5b6ef7e2859e 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -223,7 +223,12 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
return -EINVAL;
/* Return error if mode is not supported */
- if (mode && !(mode & FALLOC_FL_KEEP_SIZE))
+ if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
+ return -EOPNOTSUPP;
+
+ /* Punch hole must have keep size set */
+ if ((mode & FALLOC_FL_PUNCH_HOLE) &&
+ !(mode & FALLOC_FL_KEEP_SIZE))
return -EOPNOTSUPP;
if (!(file->f_mode & FMODE_WRITE))
diff --git a/fs/pipe.c b/fs/pipe.c
index 04151e2aee96..e2e95fb46a1e 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -1004,7 +1004,6 @@ struct file *create_write_pipe(int flags)
goto err_inode;
path.mnt = mntget(pipe_mnt);
- d_set_d_op(path.dentry, &pipefs_dentry_operations);
d_instantiate(path.dentry, inode);
err = -ENFILE;
@@ -1266,7 +1265,8 @@ static const struct super_operations pipefs_ops = {
static struct dentry *pipefs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
- return mount_pseudo(fs_type, "pipe:", &pipefs_ops, PIPEFS_MAGIC);
+ return mount_pseudo(fs_type, "pipe:", &pipefs_ops,
+ &pipefs_dentry_operations, PIPEFS_MAGIC);
}
static struct file_system_type pipe_fs_type = {
diff --git a/fs/read_write.c b/fs/read_write.c
index 5d431bacbea9..5520f8ad5504 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -30,18 +30,9 @@ const struct file_operations generic_ro_fops = {
EXPORT_SYMBOL(generic_ro_fops);
-static int
-__negative_fpos_check(struct file *file, loff_t pos, size_t count)
+static inline int unsigned_offsets(struct file *file)
{
- /*
- * pos or pos+count is negative here, check overflow.
- * too big "count" will be caught in rw_verify_area().
- */
- if ((pos < 0) && (pos + count < pos))
- return -EOVERFLOW;
- if (file->f_mode & FMODE_UNSIGNED_OFFSET)
- return 0;
- return -EINVAL;
+ return file->f_mode & FMODE_UNSIGNED_OFFSET;
}
/**
@@ -75,7 +66,7 @@ generic_file_llseek_unlocked(struct file *file, loff_t offset, int origin)
break;
}
- if (offset < 0 && __negative_fpos_check(file, offset, 0))
+ if (offset < 0 && !unsigned_offsets(file))
return -EINVAL;
if (offset > inode->i_sb->s_maxbytes)
return -EINVAL;
@@ -152,7 +143,7 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin)
offset += file->f_pos;
}
retval = -EINVAL;
- if (offset >= 0 || !__negative_fpos_check(file, offset, 0)) {
+ if (offset >= 0 || unsigned_offsets(file)) {
if (offset != file->f_pos) {
file->f_pos = offset;
file->f_version = 0;
@@ -252,9 +243,13 @@ int rw_verify_area(int read_write, struct file *file, loff_t *ppos, size_t count
if (unlikely((ssize_t) count < 0))
return retval;
pos = *ppos;
- if (unlikely((pos < 0) || (loff_t) (pos + count) < 0)) {
- retval = __negative_fpos_check(file, pos, count);
- if (retval)
+ if (unlikely(pos < 0)) {
+ if (!unsigned_offsets(file))
+ return retval;
+ if (count >= -pos) /* both values are in 0..LLONG_MAX */
+ return -EOVERFLOW;
+ } else if (unlikely((loff_t) (pos + count) < 0)) {
+ if (!unsigned_offsets(file))
return retval;
}
diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c
index b5e68da2db32..b427b1208c26 100644
--- a/fs/sysv/namei.c
+++ b/fs/sysv/namei.c
@@ -48,7 +48,6 @@ static struct dentry *sysv_lookup(struct inode * dir, struct dentry * dentry, st
struct inode * inode = NULL;
ino_t ino;
- d_set_d_op(dentry, dir->i_sb->s_root->d_op);
if (dentry->d_name.len > SYSV_NAMELEN)
return ERR_PTR(-ENAMETOOLONG);
ino = sysv_inode_by_name(dentry);
diff --git a/fs/sysv/super.c b/fs/sysv/super.c
index 76712aefc4ab..f60c196913ea 100644
--- a/fs/sysv/super.c
+++ b/fs/sysv/super.c
@@ -332,6 +332,10 @@ static int complete_read_super(struct super_block *sb, int silent, int size)
sb->s_magic = SYSV_MAGIC_BASE + sbi->s_type;
/* set up enough so that it can read an inode */
sb->s_op = &sysv_sops;
+ if (sbi->s_forced_ro)
+ sb->s_flags |= MS_RDONLY;
+ if (sbi->s_truncate)
+ sb->s_d_op = &sysv_dentry_operations;
root_inode = sysv_iget(sb, SYSV_ROOT_INO);
if (IS_ERR(root_inode)) {
printk("SysV FS: get root inode failed\n");
@@ -343,10 +347,6 @@ static int complete_read_super(struct super_block *sb, int silent, int size)
printk("SysV FS: get root dentry failed\n");
return 0;
}
- if (sbi->s_forced_ro)
- sb->s_flags |= MS_RDONLY;
- if (sbi->s_truncate)
- d_set_d_op(sb->s_root, &sysv_dentry_operations);
return 1;
}
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 94d5fd6a2973..da54403633b6 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -516,6 +516,7 @@ xfs_vn_fallocate(
loff_t new_size = 0;
xfs_flock64_t bf;
xfs_inode_t *ip = XFS_I(inode);
+ int cmd = XFS_IOC_RESVSP;
/* preallocation on directories not yet supported */
error = -ENODEV;
@@ -528,6 +529,9 @@ xfs_vn_fallocate(
xfs_ilock(ip, XFS_IOLOCK_EXCL);
+ if (mode & FALLOC_FL_PUNCH_HOLE)
+ cmd = XFS_IOC_UNRESVSP;
+
/* check the new inode size is valid before allocating */
if (!(mode & FALLOC_FL_KEEP_SIZE) &&
offset + len > i_size_read(inode)) {
@@ -537,8 +541,7 @@ xfs_vn_fallocate(
goto out_unlock;
}
- error = -xfs_change_file_space(ip, XFS_IOC_RESVSP, &bf,
- 0, XFS_ATTR_NOLOCK);
+ error = -xfs_change_file_space(ip, cmd, &bf, 0, XFS_ATTR_NOLOCK);
if (error)
goto out_unlock;