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-rw-r--r--fs/cifs/cifs_dfs_ref.c2
-rw-r--r--fs/cifs/cifsfs.c2
-rw-r--r--fs/cifs/cifsfs.h2
-rw-r--r--fs/cifs/inode.c3
-rw-r--r--fs/cifs/readdir.c57
-rw-r--r--fs/cifs/xattr.c56
6 files changed, 43 insertions, 79 deletions
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index e956cba94338..94f2c8a9ae6d 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -302,7 +302,7 @@ static struct vfsmount *cifs_dfs_do_automount(struct dentry *mntpt)
if (full_path == NULL)
goto cdda_exit;
- cifs_sb = CIFS_SB(d_inode(mntpt)->i_sb);
+ cifs_sb = CIFS_SB(mntpt->d_sb);
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink)) {
mnt = ERR_CAST(tlink);
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 89201564c346..aadb59388e90 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -1083,7 +1083,7 @@ const struct file_operations cifs_file_direct_nobrl_ops = {
};
const struct file_operations cifs_dir_ops = {
- .iterate = cifs_readdir,
+ .iterate_shared = cifs_readdir,
.release = cifs_closedir,
.read = generic_read_dir,
.unlocked_ioctl = cifs_ioctl,
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 83aac8ba50b0..c89ecd7a5c39 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -123,7 +123,7 @@ extern int cifs_symlink(struct inode *inode, struct dentry *direntry,
extern int cifs_removexattr(struct dentry *, const char *);
extern int cifs_setxattr(struct dentry *, const char *, const void *,
size_t, int);
-extern ssize_t cifs_getxattr(struct dentry *, const char *, void *, size_t);
+extern ssize_t cifs_getxattr(struct dentry *, struct inode *, const char *, void *, size_t);
extern ssize_t cifs_listxattr(struct dentry *, char *, size_t);
extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
#ifdef CONFIG_CIFS_NFSD_EXPORT
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 5f9ad5c42180..514dadb0575d 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -2418,8 +2418,7 @@ cifs_setattr_exit:
int
cifs_setattr(struct dentry *direntry, struct iattr *attrs)
{
- struct inode *inode = d_inode(direntry);
- struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+ struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
struct cifs_tcon *pTcon = cifs_sb_master_tcon(cifs_sb);
if (pTcon->unix_ext)
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index b30a4a6d98a0..867439c21001 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -78,20 +78,34 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name,
{
struct dentry *dentry, *alias;
struct inode *inode;
- struct super_block *sb = d_inode(parent)->i_sb;
+ struct super_block *sb = parent->d_sb;
struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
+ DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq);
cifs_dbg(FYI, "%s: for %s\n", __func__, name->name);
dentry = d_hash_and_lookup(parent, name);
+ if (!dentry) {
+ /*
+ * If we know that the inode will need to be revalidated
+ * immediately, then don't create a new dentry for it.
+ * We'll end up doing an on the wire call either way and
+ * this spares us an invalidation.
+ */
+ if (fattr->cf_flags & CIFS_FATTR_NEED_REVAL)
+ return;
+retry:
+ dentry = d_alloc_parallel(parent, name, &wq);
+ }
if (IS_ERR(dentry))
return;
-
- if (dentry) {
+ if (!d_in_lookup(dentry)) {
inode = d_inode(dentry);
if (inode) {
- if (d_mountpoint(dentry))
- goto out;
+ if (d_mountpoint(dentry)) {
+ dput(dentry);
+ return;
+ }
/*
* If we're generating inode numbers, then we don't
* want to clobber the existing one with the one that
@@ -106,33 +120,22 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name,
(inode->i_mode & S_IFMT) ==
(fattr->cf_mode & S_IFMT)) {
cifs_fattr_to_inode(inode, fattr);
- goto out;
+ dput(dentry);
+ return;
}
}
d_invalidate(dentry);
dput(dentry);
+ goto retry;
+ } else {
+ inode = cifs_iget(sb, fattr);
+ if (!inode)
+ inode = ERR_PTR(-ENOMEM);
+ alias = d_splice_alias(inode, dentry);
+ d_lookup_done(dentry);
+ if (alias && !IS_ERR(alias))
+ dput(alias);
}
-
- /*
- * If we know that the inode will need to be revalidated immediately,
- * then don't create a new dentry for it. We'll end up doing an on
- * the wire call either way and this spares us an invalidation.
- */
- if (fattr->cf_flags & CIFS_FATTR_NEED_REVAL)
- return;
-
- dentry = d_alloc(parent, name);
- if (!dentry)
- return;
-
- inode = cifs_iget(sb, fattr);
- if (!inode)
- goto out;
-
- alias = d_splice_alias(inode, dentry);
- if (alias && !IS_ERR(alias))
- dput(alias);
-out:
dput(dentry);
}
diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c
index f5dc2f0df4ad..5d57c85703a9 100644
--- a/fs/cifs/xattr.c
+++ b/fs/cifs/xattr.c
@@ -42,21 +42,11 @@ int cifs_removexattr(struct dentry *direntry, const char *ea_name)
int rc = -EOPNOTSUPP;
#ifdef CONFIG_CIFS_XATTR
unsigned int xid;
- struct cifs_sb_info *cifs_sb;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
struct tcon_link *tlink;
struct cifs_tcon *pTcon;
- struct super_block *sb;
char *full_path = NULL;
- if (direntry == NULL)
- return -EIO;
- if (d_really_is_negative(direntry))
- return -EIO;
- sb = d_inode(direntry)->i_sb;
- if (sb == NULL)
- return -EIO;
-
- cifs_sb = CIFS_SB(sb);
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
return PTR_ERR(tlink);
@@ -103,21 +93,12 @@ int cifs_setxattr(struct dentry *direntry, const char *ea_name,
int rc = -EOPNOTSUPP;
#ifdef CONFIG_CIFS_XATTR
unsigned int xid;
- struct cifs_sb_info *cifs_sb;
+ struct super_block *sb = direntry->d_sb;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
struct tcon_link *tlink;
struct cifs_tcon *pTcon;
- struct super_block *sb;
char *full_path;
- if (direntry == NULL)
- return -EIO;
- if (d_really_is_negative(direntry))
- return -EIO;
- sb = d_inode(direntry)->i_sb;
- if (sb == NULL)
- return -EIO;
-
- cifs_sb = CIFS_SB(sb);
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
return PTR_ERR(tlink);
@@ -232,27 +213,18 @@ set_ea_exit:
return rc;
}
-ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name,
- void *ea_value, size_t buf_size)
+ssize_t cifs_getxattr(struct dentry *direntry, struct inode *inode,
+ const char *ea_name, void *ea_value, size_t buf_size)
{
ssize_t rc = -EOPNOTSUPP;
#ifdef CONFIG_CIFS_XATTR
unsigned int xid;
- struct cifs_sb_info *cifs_sb;
+ struct super_block *sb = direntry->d_sb;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
struct tcon_link *tlink;
struct cifs_tcon *pTcon;
- struct super_block *sb;
char *full_path;
- if (direntry == NULL)
- return -EIO;
- if (d_really_is_negative(direntry))
- return -EIO;
- sb = d_inode(direntry)->i_sb;
- if (sb == NULL)
- return -EIO;
-
- cifs_sb = CIFS_SB(sb);
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
return PTR_ERR(tlink);
@@ -324,7 +296,7 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name,
goto get_ea_exit; /* rc already EOPNOTSUPP */
pacl = pTcon->ses->server->ops->get_acl(cifs_sb,
- d_inode(direntry), full_path, &acllen);
+ inode, full_path, &acllen);
if (IS_ERR(pacl)) {
rc = PTR_ERR(pacl);
cifs_dbg(VFS, "%s: error %zd getting sec desc\n",
@@ -374,21 +346,11 @@ ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size)
ssize_t rc = -EOPNOTSUPP;
#ifdef CONFIG_CIFS_XATTR
unsigned int xid;
- struct cifs_sb_info *cifs_sb;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
struct tcon_link *tlink;
struct cifs_tcon *pTcon;
- struct super_block *sb;
char *full_path;
- if (direntry == NULL)
- return -EIO;
- if (d_really_is_negative(direntry))
- return -EIO;
- sb = d_inode(direntry)->i_sb;
- if (sb == NULL)
- return -EIO;
-
- cifs_sb = CIFS_SB(sb);
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR)
return -EOPNOTSUPP;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 08:17:05 +0000