diff options
76 files changed, 296 insertions, 225 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index b1bd05ea66b2..ab320c77147a 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -287,8 +287,8 @@ implementing on-disk size changes. Start with a copy of the old inode_setattr and vmtruncate, and the reorder the vmtruncate + foofs_vmtruncate sequence to be in order of zeroing blocks using block_truncate_page or similar helpers, size update and on finally on-disk truncation which should not fail. -inode_change_ok now includes the size checks for ATTR_SIZE and must be called -in the beginning of ->setattr unconditionally. +setattr_prepare (which used to be inode_change_ok) now includes the size checks +for ATTR_SIZE and must be called in the beginning of ->setattr unconditionally. [mandatory] diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c index 546063e728db..fb7b54eff027 100644 --- a/drivers/staging/lustre/lustre/llite/llite_lib.c +++ b/drivers/staging/lustre/lustre/llite/llite_lib.c @@ -1192,7 +1192,7 @@ int ll_setattr_raw(struct dentry *dentry, struct iattr *attr, bool hsm_import) attr->ia_valid |= ATTR_MTIME | ATTR_CTIME; } - /* POSIX: check before ATTR_*TIME_SET set (from inode_change_ok) */ + /* POSIX: check before ATTR_*TIME_SET set (from setattr_prepare) */ if (attr->ia_valid & TIMES_SET_FLAGS) { if ((!uid_eq(current_fsuid(), inode->i_uid)) && !capable(CFS_CAP_FOWNER)) diff --git a/fs/9p/acl.c b/fs/9p/acl.c index 5b6a1743ea17..b3c2cc79c20d 100644 --- a/fs/9p/acl.c +++ b/fs/9p/acl.c @@ -276,32 +276,26 @@ static int v9fs_xattr_set_acl(const struct xattr_handler *handler, switch (handler->flags) { case ACL_TYPE_ACCESS: if (acl) { - umode_t mode = inode->i_mode; - retval = posix_acl_equiv_mode(acl, &mode); - if (retval < 0) + struct iattr iattr; + + retval = posix_acl_update_mode(inode, &iattr.ia_mode, &acl); + if (retval) goto err_out; - else { - struct iattr iattr; - if (retval == 0) { - /* - * ACL can be represented - * by the mode bits. So don't - * update ACL. - */ - acl = NULL; - value = NULL; - size = 0; - } - /* Updte the mode bits */ - iattr.ia_mode = ((mode & S_IALLUGO) | - (inode->i_mode & ~S_IALLUGO)); - iattr.ia_valid = ATTR_MODE; - /* FIXME should we update ctime ? - * What is the following setxattr update the - * mode ? + if (!acl) { + /* + * ACL can be represented + * by the mode bits. So don't + * update ACL. */ - v9fs_vfs_setattr_dotl(dentry, &iattr); + value = NULL; + size = 0; } + iattr.ia_valid = ATTR_MODE; + /* FIXME should we update ctime ? + * What is the following setxattr update the + * mode ? + */ + v9fs_vfs_setattr_dotl(dentry, &iattr); } break; case ACL_TYPE_DEFAULT: diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 8b1999b528e9..aa639bb1f289 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -1094,7 +1094,7 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr) struct p9_wstat wstat; p9_debug(P9_DEBUG_VFS, "\n"); - retval = inode_change_ok(d_inode(dentry), iattr); + retval = setattr_prepare(dentry, iattr); if (retval) return retval; diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index eeabcb0bad12..0e6ad3019711 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -558,7 +558,7 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr) p9_debug(P9_DEBUG_VFS, "\n"); - retval = inode_change_ok(inode, iattr); + retval = setattr_prepare(dentry, iattr); if (retval) return retval; diff --git a/fs/adfs/inode.c b/fs/adfs/inode.c index 335055d828e4..f57baaa511aa 100644 --- a/fs/adfs/inode.c +++ b/fs/adfs/inode.c @@ -303,7 +303,7 @@ adfs_notify_change(struct dentry *dentry, struct iattr *attr) unsigned int ia_valid = attr->ia_valid; int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); /* * we can't change the UID or GID of any file - diff --git a/fs/affs/inode.c b/fs/affs/inode.c index 0fdb0f5b2239..1aa243502c7f 100644 --- a/fs/affs/inode.c +++ b/fs/affs/inode.c @@ -219,7 +219,7 @@ affs_notify_change(struct dentry *dentry, struct iattr *attr) pr_debug("notify_change(%lu,0x%x)\n", inode->i_ino, attr->ia_valid); - error = inode_change_ok(inode,attr); + error = setattr_prepare(dentry, attr); if (error) goto out; diff --git a/fs/attr.c b/fs/attr.c index 3c42cab06b5d..a19a64d41e7e 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -17,19 +17,22 @@ #include <linux/ima.h> /** - * inode_change_ok - check if attribute changes to an inode are allowed - * @inode: inode to check + * setattr_prepare - check if attribute changes to a dentry are allowed + * @dentry: dentry to check * @attr: attributes to change * * Check if we are allowed to change the attributes contained in @attr - * in the given inode. This includes the normal unix access permission - * checks, as well as checks for rlimits and others. + * in the given dentry. This includes the normal unix access permission + * checks, as well as checks for rlimits and others. The function also clears + * SGID bit from mode if user is not allowed to set it. Also file capabilities + * and IMA extended attributes are cleared if ATTR_KILL_PRIV is set. * * Should be called as the first thing in ->setattr implementations, * possibly after taking additional locks. */ -int inode_change_ok(const struct inode *inode, struct iattr *attr) +int setattr_prepare(struct dentry *dentry, struct iattr *attr) { + struct inode *inode = d_inode(dentry); unsigned int ia_valid = attr->ia_valid; /* @@ -44,7 +47,7 @@ int inode_change_ok(const struct inode *inode, struct iattr *attr) /* If force is set do it anyway. */ if (ia_valid & ATTR_FORCE) - return 0; + goto kill_priv; /* Make sure a caller can chown. */ if ((ia_valid & ATTR_UID) && @@ -77,9 +80,19 @@ int inode_change_ok(const struct inode *inode, struct iattr *attr) return -EPERM; } +kill_priv: + /* User has permission for the change */ + if (ia_valid & ATTR_KILL_PRIV) { + int error; + + error = security_inode_killpriv(dentry); + if (error) + return error; + } + return 0; } -EXPORT_SYMBOL(inode_change_ok); +EXPORT_SYMBOL(setattr_prepare); /** * inode_newsize_ok - may this inode be truncated to a given size @@ -232,13 +245,11 @@ int notify_change(struct dentry * dentry, struct iattr * attr, struct inode **de if (!(ia_valid & ATTR_MTIME_SET)) attr->ia_mtime = now; if (ia_valid & ATTR_KILL_PRIV) { - attr->ia_valid &= ~ATTR_KILL_PRIV; - ia_valid &= ~ATTR_KILL_PRIV; error = security_inode_need_killpriv(dentry); - if (error > 0) - error = security_inode_killpriv(dentry); - if (error) + if (error < 0) return error; + if (error == 0) + ia_valid = attr->ia_valid &= ~ATTR_KILL_PRIV; } /* diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c index 53bb7af4e5f0..247b8dfaf6e5 100644 --- a/fs/btrfs/acl.c +++ b/fs/btrfs/acl.c @@ -79,11 +79,9 @@ static int __btrfs_set_acl(struct btrfs_trans_handle *trans, case ACL_TYPE_ACCESS: name = XATTR_NAME_POSIX_ACL_ACCESS; if (acl) { - ret = posix_acl_equiv_mode(acl, &inode->i_mode); - if (ret < 0) + ret = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (ret) return ret; - if (ret == 0) - acl = NULL; } ret = 0; break; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 0207622ec622..af7039a82a29 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -5072,7 +5072,7 @@ static int btrfs_setattr(struct dentry *dentry, struct iattr *attr) if (btrfs_root_readonly(root)) return -EROFS; - err = inode_change_ok(inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; diff --git a/fs/ceph/acl.c b/fs/ceph/acl.c index 4f67227f69a5..987044bca1c2 100644 --- a/fs/ceph/acl.c +++ b/fs/ceph/acl.c @@ -95,11 +95,9 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type) case ACL_TYPE_ACCESS: name = XATTR_NAME_POSIX_ACL_ACCESS; if (acl) { - ret = posix_acl_equiv_mode(acl, &new_mode); - if (ret < 0) + ret = posix_acl_update_mode(inode, &new_mode, &acl); + if (ret) goto out; - if (ret == 0) - acl = NULL; } break; case ACL_TYPE_DEFAULT: @@ -127,6 +125,11 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type) goto out_free; } + if (ceph_snap(inode) != CEPH_NOSNAP) { + ret = -EROFS; + goto out_free; + } + if (new_mode != old_mode) { newattrs.ia_mode = new_mode; newattrs.ia_valid = ATTR_MODE; diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index dd3a6dbf71eb..082e82dcbaa4 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -1905,13 +1905,6 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) int inode_dirty_flags = 0; bool lock_snap_rwsem = false; - if (ceph_snap(inode) != CEPH_NOSNAP) - return -EROFS; - - err = inode_change_ok(inode, attr); - if (err != 0) - return err; - prealloc_cf = ceph_alloc_cap_flush(); if (!prealloc_cf) return -ENOMEM; @@ -2124,7 +2117,17 @@ out_put: */ int ceph_setattr(struct dentry *dentry, struct iattr *attr) { - return __ceph_setattr(d_inode(dentry), attr); + struct inode *inode = d_inode(dentry); + int err; + + if (ceph_snap(inode) != CEPH_NOSNAP) + return -EROFS; + + err = setattr_prepare(dentry, attr); + if (err != 0) + return err; + + return __ceph_setattr(inode, attr); } /* diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 0b4a35514351..7ab5be7944aa 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -2154,7 +2154,7 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs) if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) attrs->ia_valid |= ATTR_FORCE; - rc = inode_change_ok(inode, attrs); + rc = setattr_prepare(direntry, attrs); if (rc < 0) goto out; @@ -2294,7 +2294,7 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs) if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) attrs->ia_valid |= ATTR_FORCE; - rc = inode_change_ok(inode, attrs); + rc = setattr_prepare(direntry, attrs); if (rc < 0) { free_xid(xid); return rc; diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 9d153b6a1d72..5ffba186f352 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -927,7 +927,7 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia) } mutex_unlock(&crypt_stat->cs_mutex); - rc = inode_change_ok(inode, ia); + rc = setattr_prepare(dentry, ia); if (rc) goto out; if (ia->ia_valid & ATTR_SIZE) { diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c index 9dc4c6dbf3c9..5e68daee5fe4 100644 --- a/fs/exofs/inode.c +++ b/fs/exofs/inode.c @@ -1034,7 +1034,7 @@ int exofs_setattr(struct dentry *dentry, struct iattr *iattr) if (unlikely(error)) return error; - error = inode_change_ok(inode, iattr); + error = setattr_prepare(dentry, iattr); if (unlikely(error)) return error; diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c index 42f1d1814083..e725aa0890e0 100644 --- a/fs/ext2/acl.c +++ b/fs/ext2/acl.c @@ -190,15 +190,11 @@ ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type) case ACL_TYPE_ACCESS: name_index = EXT2_XATTR_INDEX_POSIX_ACL_ACCESS; if (acl) { - error = posix_acl_equiv_mode(acl, &inode->i_mode); - if (error < 0) + error = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (error) return error; - else { - inode->i_ctime = CURRENT_TIME_SEC; - mark_inode_dirty(inode); - if (error == 0) - acl = NULL; - } + inode->i_ctime = CURRENT_TIME_SEC; + mark_inode_dirty(inode); } break; diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c index efe5fb21c533..04e73a99902b 100644 --- a/fs/ext2/ialloc.c +++ b/fs/ext2/ialloc.c @@ -465,6 +465,11 @@ struct inode *ext2_new_inode(struct inode *dir, umode_t mode, for (i = 0; i < sbi->s_groups_count; i++) { gdp = ext2_get_group_desc(sb, group, &bh2); + if (!gdp) { + if (++group == sbi->s_groups_count) + group = 0; + continue; + } brelse(bitmap_bh); bitmap_bh = read_inode_bitmap(sb, group); if (!bitmap_bh) { diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index d5c7d09919f3..65c077d9a5e9 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -1580,7 +1580,7 @@ int ext2_setattr(struct dentry *dentry, struct iattr *iattr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, iattr); + error = setattr_prepare(dentry, iattr); if (error) return error; diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c index c6601a476c02..dfa519979038 100644 --- a/fs/ext4/acl.c +++ b/fs/ext4/acl.c @@ -193,15 +193,11 @@ __ext4_set_acl(handle_t *handle, struct inode *inode, int type, case ACL_TYPE_ACCESS: name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS; if (acl) { - error = posix_acl_equiv_mode(acl, &inode->i_mode); - if (error < 0) + error = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (error) return error; - else { - inode->i_ctime = ext4_current_time(inode); - ext4_mark_inode_dirty(handle, inode); - if (error == 0) - acl = NULL; - } + inode->i_ctime = ext4_current_time(inode); + ext4_mark_inode_dirty(handle, inode); } break; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index c6ea25a190f8..b27491e885c4 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5073,7 +5073,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr) int orphan = 0; const unsigned int ia_valid = attr->ia_valid; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c index 4dcc9e28dc5c..31344247ce89 100644 --- a/fs/f2fs/acl.c +++ b/fs/f2fs/acl.c @@ -210,12 +210,10 @@ static int __f2fs_set_acl(struct inode *inode, int type, case ACL_TYPE_ACCESS: name_index = F2FS_XATTR_INDEX_POSIX_ACL_ACCESS; if (acl) { - error = posix_acl_equiv_mode(acl, &inode->i_mode); - if (error < 0) + error = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (error) return error; set_acl_inode(inode, inode->i_mode); - if (error == 0) - acl = NULL; } break; diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 28f4f4cbb8d8..e4e17f167dfc 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -680,7 +680,7 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int err; - err = inode_change_ok(inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; diff --git a/fs/fat/file.c b/fs/fat/file.c index f70185668832..c09ab4e108e5 100644 --- a/fs/fat/file.c +++ b/fs/fat/file.c @@ -450,7 +450,7 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr) attr->ia_valid &= ~TIMES_SET_FLAGS; } - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); attr->ia_valid = ia_valid; if (error) { if (sbi->options.quiet) diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index c47b7780ce37..b23502174682 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1591,9 +1591,10 @@ int fuse_flush_times(struct inode *inode, struct fuse_file *ff) * vmtruncate() doesn't allow for this case, so do the rlimit checking * and the actual truncation by hand. */ -int fuse_do_setattr(struct inode *inode, struct iattr *attr, +int fuse_do_setattr(struct dentry *dentry, struct iattr *attr, struct file *file) { + struct inode *inode = d_inode(dentry); struct fuse_conn *fc = get_fuse_conn(inode); struct fuse_inode *fi = get_fuse_inode(inode); FUSE_ARGS(args); @@ -1608,7 +1609,7 @@ int fuse_do_setattr(struct inode *inode, struct iattr *attr, if (!(fc->flags & FUSE_DEFAULT_PERMISSIONS)) attr->ia_valid |= ATTR_FORCE; - err = inode_change_ok(inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; @@ -1707,9 +1708,9 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr) return -EACCES; if (attr->ia_valid & ATTR_FILE) - return fuse_do_setattr(inode, attr, attr->ia_file); + return fuse_do_setattr(entry, attr, attr->ia_file); else - return fuse_do_setattr(inode, attr, NULL); + return fuse_do_setattr(entry, attr, NULL); } static int fuse_getattr(struct vfsmount *mnt, struct dentry *entry, diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 3988b43c2f5a..118bcb192a7b 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2842,7 +2842,7 @@ static void fuse_do_truncate(struct file *file) attr.ia_file = file; attr.ia_valid |= ATTR_FILE; - fuse_do_setattr(inode, &attr, file); + fuse_do_setattr(file_dentry(file), &attr, file); } static inline loff_t fuse_round_up(loff_t off) diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index d98d8cc84def..cace5526c6d6 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -958,7 +958,7 @@ bool fuse_write_update_size(struct inode *inode, loff_t pos); int fuse_flush_times(struct inode *inode, struct fuse_file *ff); int fuse_write_inode(struct inode *inode, struct writeback_control *wbc); -int fuse_do_setattr(struct inode *inode, struct iattr *attr, +int fuse_do_setattr(struct dentry *dentry, struct iattr *attr, struct file *file); void fuse_set_initialized(struct fuse_conn *fc); diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c index 363ba9e9d8d0..2524807ee070 100644 --- a/fs/gfs2/acl.c +++ b/fs/gfs2/acl.c @@ -92,17 +92,11 @@ int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type) if (type == ACL_TYPE_ACCESS) { umode_t mode = inode->i_mode; - error = posix_acl_equiv_mode(acl, &mode); - if (error < 0) + error = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (error) return error; - - if (error == 0) - acl = NULL; - - if (mode != inode->i_mode) { - inode->i_mode = mode; + if (mode != inode->i_mode) mark_inode_dirty(inode); - } } if (acl) { diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index e4da0ecd3285..d693af5ca5bc 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -1932,7 +1932,7 @@ static int gfs2_setattr(struct dentry *dentry, struct iattr *attr) if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) goto out; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) goto out; diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index c6a32415735b..09cce23864da 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -605,7 +605,7 @@ int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr) struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); int error; - error = inode_change_ok(inode, attr); /* basic permission checks */ + error = setattr_prepare(dentry, attr); /* basic permission checks */ if (error) return error; diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index 19462d773fe2..c43ef397a3aa 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -245,7 +245,7 @@ static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/hfsplus/posix_acl.c b/fs/hfsplus/posix_acl.c index ab7ea2506b4d..9b92058a1240 100644 --- a/fs/hfsplus/posix_acl.c +++ b/fs/hfsplus/posix_acl.c @@ -65,8 +65,8 @@ int hfsplus_set_posix_acl(struct inode *inode, struct posix_acl *acl, case ACL_TYPE_ACCESS: xattr_name = XATTR_NAME_POSIX_ACL_ACCESS; if (acl) { - err = posix_acl_equiv_mode(acl, &inode->i_mode); - if (err < 0) + err = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (err) return err; } err = 0; diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 90e46cd752fe..44aa96ba1df8 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -812,7 +812,7 @@ static int hostfs_setattr(struct dentry *dentry, struct iattr *attr) int fd = HOSTFS_I(inode)->fd; - err = inode_change_ok(inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c index 1f3c6d76200b..b9c724ed1e7e 100644 --- a/fs/hpfs/inode.c +++ b/fs/hpfs/inode.c @@ -273,7 +273,7 @@ int hpfs_setattr(struct dentry *dentry, struct iattr *attr) if ((attr->ia_valid & ATTR_SIZE) && attr->ia_size > inode->i_size) goto out_unlock; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) goto out_unlock; diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 4ea71eba40a5..fb3312f2c861 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -672,7 +672,7 @@ static int hugetlbfs_setattr(struct dentry *dentry, struct iattr *attr) BUG_ON(!inode); - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c index bc2693d56298..2a0f2a1044c1 100644 --- a/fs/jffs2/acl.c +++ b/fs/jffs2/acl.c @@ -233,9 +233,10 @@ int jffs2_set_acl(struct inode *inode, struct posix_acl *acl, int type) case ACL_TYPE_ACCESS: xprefix = JFFS2_XPREFIX_ACL_ACCESS; if (acl) { - umode_t mode = inode->i_mode; - rc = posix_acl_equiv_mode(acl, &mode); - if (rc < 0) + umode_t mode; + + rc = posix_acl_update_mode(inode, &mode, &acl); + if (rc) return rc; if (inode->i_mode != mode) { struct iattr attr; @@ -247,8 +248,6 @@ int jffs2_set_acl(struct inode *inode, struct posix_acl *acl, int type) if (rc < 0) return rc; } - if (rc == 0) - acl = NULL; } break; case ACL_TYPE_DEFAULT: diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index ae2ebb26b446..3773b24b4db0 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -193,7 +193,7 @@ int jffs2_setattr(struct dentry *dentry, struct iattr *iattr) struct inode *inode = d_inode(dentry); int rc; - rc = inode_change_ok(inode, iattr); + rc = setattr_prepare(dentry, iattr); if (rc) return rc; diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c index 21fa92ba2c19..3a1e1554a4e3 100644 --- a/fs/jfs/acl.c +++ b/fs/jfs/acl.c @@ -78,13 +78,11 @@ static int __jfs_set_acl(tid_t tid, struct inode *inode, int type, case ACL_TYPE_ACCESS: ea_name = XATTR_NAME_POSIX_ACL_ACCESS; if (acl) { - rc = posix_acl_equiv_mode(acl, &inode->i_mode); - if (rc < 0) + rc = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (rc) return rc; inode->i_ctime = CURRENT_TIME; mark_inode_dirty(inode); - if (rc == 0) - acl = NULL; } break; case ACL_TYPE_DEFAULT: diff --git a/fs/jfs/file.c b/fs/jfs/file.c index 7f1a585a0a94..cf62037b8a04 100644 --- a/fs/jfs/file.c +++ b/fs/jfs/file.c @@ -103,7 +103,7 @@ int jfs_setattr(struct dentry *dentry, struct iattr *iattr) struct inode *inode = d_inode(dentry); int rc; - rc = inode_change_ok(inode, iattr); + rc = setattr_prepare(dentry, iattr); if (rc) return rc; diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c index 63b925d5ba1e..df21f5b75549 100644 --- a/fs/kernfs/inode.c +++ b/fs/kernfs/inode.c @@ -122,7 +122,7 @@ int kernfs_iop_setattr(struct dentry *dentry, struct iattr *iattr) return -EINVAL; mutex_lock(&kernfs_mutex); - error = inode_change_ok(inode, iattr); + error = setattr_prepare(dentry, iattr); if (error) goto out; diff --git a/fs/libfs.c b/fs/libfs.c index 74dc8b9e7f53..2b3c3ae70153 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -394,7 +394,7 @@ int simple_setattr(struct dentry *dentry, struct iattr *iattr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, iattr); + error = setattr_prepare(dentry, iattr); if (error) return error; diff --git a/fs/logfs/file.c b/fs/logfs/file.c index f01ddfb1a03b..5d9fe466bbc9 100644 --- a/fs/logfs/file.c +++ b/fs/logfs/file.c @@ -244,7 +244,7 @@ static int logfs_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int err = 0; - err = inode_change_ok(inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; diff --git a/fs/minix/file.c b/fs/minix/file.c index 94f0eb9a6e2c..a6a4797aa0d4 100644 --- a/fs/minix/file.c +++ b/fs/minix/file.c @@ -26,7 +26,7 @@ static int minix_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c index 1af15fcbe57b..f6cf4c7e92b1 100644 --- a/fs/ncpfs/inode.c +++ b/fs/ncpfs/inode.c @@ -884,7 +884,7 @@ int ncp_notify_change(struct dentry *dentry, struct iattr *attr) /* ageing the dentry to force validation */ ncp_age_dentry(server, dentry); - result = inode_change_ok(inode, attr); + result = setattr_prepare(dentry, attr); if (result < 0) goto out; diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c index e9214768cde9..08188743db53 100644 --- a/fs/nfsd/nfsproc.c +++ b/fs/nfsd/nfsproc.c @@ -74,10 +74,10 @@ nfsd_proc_setattr(struct svc_rqst *rqstp, struct nfsd_sattrargs *argp, * which only requires access, and "set-[ac]time-to-X" which * requires ownership. * So if it looks like it might be "set both to the same time which - * is close to now", and if inode_change_ok fails, then we + * is close to now", and if setattr_prepare fails, then we * convert to "set to now" instead of "set to explicit time" * - * We only call inode_change_ok as the last test as technically + * We only call setattr_prepare as the last test as technically * it is not an interface that we should be using. */ #define BOTH_TIME_SET (ATTR_ATIME_SET | ATTR_MTIME_SET) @@ -92,17 +92,15 @@ nfsd_proc_setattr(struct svc_rqst *rqstp, struct nfsd_sattrargs *argp, * request is. We require it be within 30 minutes of now. */ time_t delta = iap->ia_atime.tv_sec - get_seconds(); - struct inode *inode; nfserr = fh_verify(rqstp, fhp, 0, NFSD_MAY_NOP); if (nfserr) goto done; - inode = d_inode(fhp->fh_dentry); if (delta < 0) delta = -delta; if (delta < MAX_TOUCH_TIME_ERROR && - inode_change_ok(inode, iap) != 0) { + setattr_prepare(fhp->fh_dentry, iap) != 0) { /* * Turn off ATTR_[AM]TIME_SET but leave ATTR_[AM]TIME. * This will cause notify_change to set these times diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index af04f553d7c9..402c325e0467 100644 --- a/fs/nilfs2/inode.c +++ b/fs/nilfs2/inode.c @@ -829,7 +829,7 @@ int nilfs_setattr(struct dentry *dentry, struct iattr *iattr) struct super_block *sb = inode->i_sb; int err; - err = inode_change_ok(inode, iattr); + err = setattr_prepare(dentry, iattr); if (err) return err; diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index e01287c964a8..9d7a44872df5 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -2893,7 +2893,7 @@ int ntfs_setattr(struct dentry *dentry, struct iattr *attr) int err; unsigned int ia_valid = attr->ia_valid; - err = inode_change_ok(vi, attr); + err = setattr_prepare(dentry, attr); if (err) goto out; /* We do not support NTFS ACLs yet. */ diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c index 2162434728c0..164307b99405 100644 --- a/fs/ocfs2/acl.c +++ b/fs/ocfs2/acl.c @@ -241,13 +241,11 @@ int ocfs2_set_acl(handle_t *handle, case ACL_TYPE_ACCESS: name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS; if (acl) { - umode_t mode = inode->i_mode; - ret = posix_acl_equiv_mode(acl, &mode); - if (ret < 0) - return ret; + umode_t mode; - if (ret == 0) - acl = NULL; + ret = posix_acl_update_mode(inode, &mode, &acl); + if (ret) + return ret; ret = ocfs2_acl_set_mode(inode, di_bh, handle, mode); diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c index ef474cdd6404..6a4b21654037 100644 --- a/fs/ocfs2/dlmfs/dlmfs.c +++ b/fs/ocfs2/dlmfs/dlmfs.c @@ -211,7 +211,7 @@ static int dlmfs_file_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); attr->ia_valid &= ~ATTR_SIZE; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 0b055bfb8e86..8a7eb81dcdfc 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1155,7 +1155,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) if (!(attr->ia_valid & OCFS2_VALID_ATTRS)) return 0; - status = inode_change_ok(inode, attr); + status = setattr_prepare(dentry, attr); if (status) return status; diff --git a/fs/omfs/file.c b/fs/omfs/file.c index d9e26cfbb793..bf83e6644333 100644 --- a/fs/omfs/file.c +++ b/fs/omfs/file.c @@ -349,7 +349,7 @@ static int omfs_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/orangefs/acl.c b/fs/orangefs/acl.c index 28f2195cd798..7a3754488312 100644 --- a/fs/orangefs/acl.c +++ b/fs/orangefs/acl.c @@ -73,14 +73,11 @@ int orangefs_set_acl(struct inode *inode, struct posix_acl *acl, int type) case ACL_TYPE_ACCESS: name = XATTR_NAME_POSIX_ACL_ACCESS; if (acl) { - umode_t mode = inode->i_mode; - /* - * can we represent this with the traditional file - * mode permission bits? - */ - error = posix_acl_equiv_mode(acl, &mode); - if (error < 0) { - gossip_err("%s: posix_acl_equiv_mode err: %d\n", + umode_t mode; + + error = posix_acl_update_mode(inode, &mode, &acl); + if (error) { + gossip_err("%s: posix_acl_update_mode err: %d\n", __func__, error); return error; @@ -90,8 +87,6 @@ int orangefs_set_acl(struct inode *inode, struct posix_acl *acl, int type) SetModeFlag(orangefs_inode); inode->i_mode = mode; mark_inode_dirty_sync(inode); - if (error == 0) - acl = NULL; } break; case ACL_TYPE_DEFAULT: diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c index d4c6915f085b..c83846fb9b14 100644 --- a/fs/orangefs/inode.c +++ b/fs/orangefs/inode.c @@ -219,7 +219,7 @@ int orangefs_setattr(struct dentry *dentry, struct iattr *iattr) "orangefs_setattr: called on %pd\n", dentry); - ret = inode_change_ok(inode, iattr); + ret = setattr_prepare(dentry, iattr); if (ret) goto out; diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index c75625c1efa3..251e5253f2c1 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -53,7 +53,7 @@ int ovl_setattr(struct dentry *dentry, struct iattr *attr) * inode_newsize_ok() will always check against MAX_LFS_FILESIZE and not * check for a swapfile (which this won't be anyway). */ - err = inode_change_ok(dentry->d_inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; diff --git a/fs/posix_acl.c b/fs/posix_acl.c index 87193924eb91..da3f760a7e88 100644 --- a/fs/posix_acl.c +++ b/fs/posix_acl.c @@ -627,6 +627,37 @@ err_release: } EXPORT_SYMBOL_GPL(posix_acl_create); +/** + * posix_acl_update_mode - update mode in set_acl + * + * Update the file mode when setting an ACL: compute the new file permission + * bits based on the ACL. In addition, if the ACL is equivalent to the new + * file mode, set *acl to NULL to indicate that no ACL should be set. + * + * As with chmod, clear the setgit bit if the caller is not in the owning group + * or capable of CAP_FSETID (see inode_change_ok). + * + * Called from set_acl inode operations. + */ +int posix_acl_update_mode(struct inode *inode, umode_t *mode_p, + struct posix_acl **acl) +{ + umode_t mode = inode->i_mode; + int error; + + error = posix_acl_equiv_mode(*acl, &mode); + if (error < 0) + return error; + if (error == 0) + *acl = NULL; + if (!in_group_p(inode->i_gid) && + !capable_wrt_inode_uidgid(inode, CAP_FSETID)) + mode &= ~S_ISGID; + *mode_p = mode; + return 0; +} +EXPORT_SYMBOL(posix_acl_update_mode); + /* * Fix up the uids and gids in posix acl extended attributes in place. */ diff --git a/fs/proc/base.c b/fs/proc/base.c index 528c1bb57bc3..09f0f173821a 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -692,7 +692,7 @@ int proc_setattr(struct dentry *dentry, struct iattr *attr) if (attr->ia_valid & ATTR_MODE) return -EPERM; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/proc/generic.c b/fs/proc/generic.c index c633476616e0..23ff30e3c1e7 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -105,7 +105,7 @@ static int proc_notify_change(struct dentry *dentry, struct iattr *iattr) struct proc_dir_entry *de = PDE(inode); int error; - error = inode_change_ok(inode, iattr); + error = setattr_prepare(dentry, iattr); if (error) return error; diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 1b93650dda2f..268fcf592b0e 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -754,7 +754,7 @@ static int proc_sys_setattr(struct dentry *dentry, struct iattr *attr) if (attr->ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID)) return -EPERM; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/quota/quota.c b/fs/quota/quota.c index 35df08ee9c97..2d445425aad7 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -341,6 +341,7 @@ static int quota_getstate(struct super_block *sb, struct fs_quota_stat *fqs) struct qc_state state; int ret; + memset(&state, 0, sizeof (struct qc_state)); ret = sb->s_qcop->get_state(sb, &state); if (ret < 0) return ret; @@ -365,17 +366,19 @@ static int quota_getstate(struct super_block *sb, struct fs_quota_stat *fqs) fqs->qs_rtbtimelimit = state.s_state[type].rt_spc_timelimit; fqs->qs_bwarnlimit = state.s_state[type].spc_warnlimit; fqs->qs_iwarnlimit = state.s_state[type].ino_warnlimit; - if (state.s_state[USRQUOTA].flags & QCI_ACCT_ENABLED) { + + /* Inodes may be allocated even if inactive; copy out if present */ + if (state.s_state[USRQUOTA].ino) { fqs->qs_uquota.qfs_ino = state.s_state[USRQUOTA].ino; fqs->qs_uquota.qfs_nblks = state.s_state[USRQUOTA].blocks; fqs->qs_uquota.qfs_nextents = state.s_state[USRQUOTA].nextents; } - if (state.s_state[GRPQUOTA].flags & QCI_ACCT_ENABLED) { + if (state.s_state[GRPQUOTA].ino) { fqs->qs_gquota.qfs_ino = state.s_state[GRPQUOTA].ino; fqs->qs_gquota.qfs_nblks = state.s_state[GRPQUOTA].blocks; fqs->qs_gquota.qfs_nextents = state.s_state[GRPQUOTA].nextents; } - if (state.s_state[PRJQUOTA].flags & QCI_ACCT_ENABLED) { + if (state.s_state[PRJQUOTA].ino) { /* * Q_XGETQSTAT doesn't have room for both group and project * quotas. So, allow the project quota values to be copied out @@ -411,6 +414,7 @@ static int quota_getstatev(struct super_block *sb, struct fs_quota_statv *fqs) struct qc_state state; int ret; + memset(&state, 0, sizeof (struct qc_state)); ret = sb->s_qcop->get_state(sb, &state); if (ret < 0) return ret; @@ -435,17 +439,19 @@ static int quota_getstatev(struct super_block *sb, struct fs_quota_statv *fqs) fqs->qs_rtbtimelimit = state.s_state[type].rt_spc_timelimit; fqs->qs_bwarnlimit = state.s_state[type].spc_warnlimit; fqs->qs_iwarnlimit = state.s_state[type].ino_warnlimit; - if (state.s_state[USRQUOTA].flags & QCI_ACCT_ENABLED) { + + /* Inodes may be allocated even if inactive; copy out if present */ + if (state.s_state[USRQUOTA].ino) { fqs->qs_uquota.qfs_ino = state.s_state[USRQUOTA].ino; fqs->qs_uquota.qfs_nblks = state.s_state[USRQUOTA].blocks; fqs->qs_uquota.qfs_nextents = state.s_state[USRQUOTA].nextents; } - if (state.s_state[GRPQUOTA].flags & QCI_ACCT_ENABLED) { + if (state.s_state[GRPQUOTA].ino) { fqs->qs_gquota.qfs_ino = state.s_state[GRPQUOTA].ino; fqs->qs_gquota.qfs_nblks = state.s_state[GRPQUOTA].blocks; fqs->qs_gquota.qfs_nextents = state.s_state[GRPQUOTA].nextents; } - if (state.s_state[PRJQUOTA].flags & QCI_ACCT_ENABLED) { + if (state.s_state[PRJQUOTA].ino) { fqs->qs_pquota.qfs_ino = state.s_state[PRJQUOTA].ino; fqs->qs_pquota.qfs_nblks = state.s_state[PRJQUOTA].blocks; fqs->qs_pquota.qfs_nextents = state.s_state[PRJQUOTA].nextents; diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index be3ddd189cd4..2bcbf4e77982 100644 --- a/fs/ramfs/file-nommu.c +++ b/fs/ramfs/file-nommu.c @@ -169,7 +169,7 @@ static int ramfs_nommu_setattr(struct dentry *dentry, struct iattr *ia) int ret = 0; /* POSIX UID/GID verification for setting inode attributes */ - ret = inode_change_ok(inode, ia); + ret = setattr_prepare(dentry, ia); if (ret) return ret; diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index c2c59f9ff04b..cb7f518d37ae 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -3312,7 +3312,7 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr) unsigned int ia_valid; int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 7a4a85a6821e..74d5ddd26296 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -190,7 +190,15 @@ static int remove_save_link_only(struct super_block *s, static int reiserfs_quota_on_mount(struct super_block *, int); #endif -/* look for uncompleted unlinks and truncates and complete them */ +/* + * Look for uncompleted unlinks and truncates and complete them + * + * Called with superblock write locked. If quotas are enabled, we have to + * release/retake lest we call dquot_quota_on_mount(), proceed to + * schedule_on_each_cpu() in invalidate_bdev() and deadlock waiting for the per + * cpu worklets to complete flush_async_commits() that in turn wait for the + * superblock write lock. + */ static int finish_unfinished(struct super_block *s) { INITIALIZE_PATH(path); @@ -237,7 +245,9 @@ static int finish_unfinished(struct super_block *s) quota_enabled[i] = 0; continue; } + reiserfs_write_unlock(s); ret = reiserfs_quota_on_mount(s, i); + reiserfs_write_lock(s); if (ret < 0) reiserfs_warning(s, "reiserfs-2500", "cannot turn on journaled " diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c index dbed42f755e0..27376681c640 100644 --- a/fs/reiserfs/xattr_acl.c +++ b/fs/reiserfs/xattr_acl.c @@ -242,13 +242,9 @@ __reiserfs_set_acl(struct reiserfs_transaction_handle *th, struct inode *inode, case ACL_TYPE_ACCESS: name = XATTR_NAME_POSIX_ACL_ACCESS; if (acl) { - error = posix_acl_equiv_mode(acl, &inode->i_mode); - if (error < 0) + error = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (error) return error; - else { - if (error == 0) - acl = NULL; - } } break; case ACL_TYPE_DEFAULT: diff --git a/fs/sysv/file.c b/fs/sysv/file.c index 82ddc09061e2..7ba997e31aeb 100644 --- a/fs/sysv/file.c +++ b/fs/sysv/file.c @@ -33,7 +33,7 @@ static int sysv_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index 7bbf420d1289..b0a6a53263f3 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -1262,7 +1262,7 @@ int ubifs_setattr(struct dentry *dentry, struct iattr *attr) dbg_gen("ino %lu, mode %#x, ia_valid %#x", inode->i_ino, inode->i_mode, attr->ia_valid); - err = inode_change_ok(inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; diff --git a/fs/udf/file.c b/fs/udf/file.c index 632570617327..dbcb3a4a0cb9 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -94,7 +94,7 @@ static int udf_adinicb_write_begin(struct file *file, return -ENOMEM; *pagep = page; - if (!PageUptodate(page) && len != PAGE_SIZE) + if (!PageUptodate(page)) __udf_adinicb_readpage(page); return 0; } @@ -105,11 +105,25 @@ static ssize_t udf_adinicb_direct_IO(struct kiocb *iocb, struct iov_iter *iter) return 0; } +static int udf_adinicb_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) +{ + struct inode *inode = page->mapping->host; + loff_t last_pos = pos + copied; + if (last_pos > inode->i_size) + i_size_write(inode, last_pos); + set_page_dirty(page); + unlock_page(page); + put_page(page); + return copied; +} + const struct address_space_operations udf_adinicb_aops = { .readpage = udf_adinicb_readpage, .writepage = udf_adinicb_writepage, .write_begin = udf_adinicb_write_begin, - .write_end = simple_write_end, + .write_end = udf_adinicb_write_end, .direct_IO = udf_adinicb_direct_IO, }; @@ -247,7 +261,7 @@ static int udf_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index 9f49431e798d..e4a4d248a0f5 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -1208,7 +1208,7 @@ int ufs_setattr(struct dentry *dentry, struct iattr *attr) unsigned int ia_valid = attr->ia_valid; int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/utimes.c b/fs/utimes.c index ba54b9e648c9..22307cdf7014 100644 --- a/fs/utimes.c +++ b/fs/utimes.c @@ -81,7 +81,7 @@ static int utimes_common(struct path *path, struct timespec *times) newattrs.ia_valid |= ATTR_MTIME_SET; } /* - * Tell inode_change_ok(), that this is an explicit time + * Tell setattr_prepare(), that this is an explicit time * update, even if neither ATTR_ATIME_SET nor ATTR_MTIME_SET * were used. */ diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c index b6e527b8eccb..8a0dec89ca56 100644 --- a/fs/xfs/xfs_acl.c +++ b/fs/xfs/xfs_acl.c @@ -257,16 +257,11 @@ xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) return error; if (type == ACL_TYPE_ACCESS) { - umode_t mode = inode->i_mode; - error = posix_acl_equiv_mode(acl, &mode); - - if (error <= 0) { - acl = NULL; - - if (error < 0) - return error; - } + umode_t mode; + error = posix_acl_update_mode(inode, &mode, &acl); + if (error) + return error; error = xfs_set_mode(inode, mode); if (error) return error; diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index e612a0233710..fcb81ede2cb0 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -984,7 +984,7 @@ xfs_file_fallocate( iattr.ia_valid = ATTR_SIZE; iattr.ia_size = new_size; - error = xfs_setattr_size(ip, &iattr); + error = xfs_vn_setattr_size(file_dentry(file), &iattr); if (error) goto out_unlock; } diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index e08eaea6327b..df22e1254c98 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1710,7 +1710,7 @@ xfs_inactive_truncate( /* * Log the inode size first to prevent stale data exposure in the event * of a system crash before the truncate completes. See the related - * comment in xfs_setattr_size() for details. + * comment in xfs_vn_setattr_size() for details. */ ip->i_d.di_size = 0; xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 96a70fd1f5d6..0d9021f0551e 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -720,7 +720,7 @@ xfs_ioc_space( iattr.ia_valid = ATTR_SIZE; iattr.ia_size = bf->l_start; - error = xfs_setattr_size(ip, &iattr); + error = xfs_vn_setattr_size(file_dentry(filp), &iattr); break; default: ASSERT(0); diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index b24c3102fa93..ba99803eba98 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -542,6 +542,28 @@ xfs_setattr_time( inode->i_mtime = iattr->ia_mtime; } +static int +xfs_vn_change_ok( + struct dentry *dentry, + struct iattr *iattr) +{ + struct xfs_mount *mp = XFS_I(d_inode(dentry))->i_mount; + + if (mp->m_flags & XFS_MOUNT_RDONLY) + return -EROFS; + + if (XFS_FORCED_SHUTDOWN(mp)) + return -EIO; + + return setattr_prepare(dentry, iattr); +} + +/* + * Set non-size attributes of an inode. + * + * Caution: The caller of this function is responsible for calling + * setattr_prepare() or otherwise verifying the change is fine. + */ int xfs_setattr_nonsize( struct xfs_inode *ip, @@ -558,21 +580,6 @@ xfs_setattr_nonsize( struct xfs_dquot *udqp = NULL, *gdqp = NULL; struct xfs_dquot *olddquot1 = NULL, *olddquot2 = NULL; - trace_xfs_setattr(ip); - - /* If acls are being inherited, we already have this checked */ - if (!(flags & XFS_ATTR_NOACL)) { - if (mp->m_flags & XFS_MOUNT_RDONLY) - return -EROFS; - - if (XFS_FORCED_SHUTDOWN(mp)) - return -EIO; - - error = inode_change_ok(inode, iattr); - if (error) - return error; - } - ASSERT((mask & ATTR_SIZE) == 0); /* @@ -743,8 +750,27 @@ out_dqrele: return error; } +int +xfs_vn_setattr_nonsize( + struct dentry *dentry, + struct iattr *iattr) +{ + struct xfs_inode *ip = XFS_I(d_inode(dentry)); + int error; + + trace_xfs_setattr(ip); + + error = xfs_vn_change_ok(dentry, iattr); + if (error) + return error; + return xfs_setattr_nonsize(ip, iattr, 0); +} + /* * Truncate file. Must have write permission and not be a directory. + * + * Caution: The caller of this function is responsible for calling + * setattr_prepare() or otherwise verifying the change is fine. */ int xfs_setattr_size( @@ -759,18 +785,6 @@ xfs_setattr_size( uint lock_flags = 0; bool did_zeroing = false; - trace_xfs_setattr(ip); - - if (mp->m_flags & XFS_MOUNT_RDONLY) - return -EROFS; - - if (XFS_FORCED_SHUTDOWN(mp)) - return -EIO; - - error = inode_change_ok(inode, iattr); - if (error) - return error; - ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL)); ASSERT(xfs_isilocked(ip, XFS_MMAPLOCK_EXCL)); ASSERT(S_ISREG(inode->i_mode)); @@ -942,16 +956,32 @@ out_trans_cancel: goto out_unlock; } +int +xfs_vn_setattr_size( + struct dentry *dentry, + struct iattr *iattr) +{ + struct xfs_inode *ip = XFS_I(d_inode(dentry)); + int error; + + trace_xfs_setattr(ip); + + error = xfs_vn_change_ok(dentry, iattr); + if (error) + return error; + return xfs_setattr_size(ip, iattr); +} + STATIC int xfs_vn_setattr( struct dentry *dentry, struct iattr *iattr) { - struct xfs_inode *ip = XFS_I(d_inode(dentry)); int error; if (iattr->ia_valid & ATTR_SIZE) { - uint iolock = XFS_IOLOCK_EXCL; + struct xfs_inode *ip = XFS_I(d_inode(dentry)); + uint iolock = XFS_IOLOCK_EXCL; xfs_ilock(ip, iolock); error = xfs_break_layouts(d_inode(dentry), &iolock, true); @@ -959,11 +989,11 @@ xfs_vn_setattr( xfs_ilock(ip, XFS_MMAPLOCK_EXCL); iolock |= XFS_MMAPLOCK_EXCL; - error = xfs_setattr_size(ip, iattr); + error = xfs_vn_setattr_size(dentry, iattr); } xfs_iunlock(ip, iolock); } else { - error = xfs_setattr_nonsize(ip, iattr, 0); + error = xfs_vn_setattr_nonsize(dentry, iattr); } return error; diff --git a/fs/xfs/xfs_iops.h b/fs/xfs/xfs_iops.h index a0f84abb0d09..0259a383721a 100644 --- a/fs/xfs/xfs_iops.h +++ b/fs/xfs/xfs_iops.h @@ -33,6 +33,7 @@ extern ssize_t xfs_vn_listxattr(struct dentry *, char *data, size_t size); extern void xfs_setattr_time(struct xfs_inode *ip, struct iattr *iattr); extern int xfs_setattr_nonsize(struct xfs_inode *ip, struct iattr *vap, int flags); -extern int xfs_setattr_size(struct xfs_inode *ip, struct iattr *vap); +extern int xfs_vn_setattr_nonsize(struct dentry *dentry, struct iattr *vap); +extern int xfs_vn_setattr_size(struct dentry *dentry, struct iattr *vap); #endif /* __XFS_IOPS_H__ */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 9347f4a2abed..46acb6804652 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3007,7 +3007,7 @@ extern int buffer_migrate_page(struct address_space *, #define buffer_migrate_page NULL #endif -extern int inode_change_ok(const struct inode *, struct iattr *); +extern int setattr_prepare(struct dentry *, struct iattr *); extern int inode_newsize_ok(const struct inode *, loff_t offset); extern void setattr_copy(struct inode *inode, const struct iattr *attr); diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h index 5433eea8e97c..5a9a739acdd5 100644 --- a/include/linux/posix_acl.h +++ b/include/linux/posix_acl.h @@ -73,6 +73,7 @@ extern int set_posix_acl(struct inode *, int, struct posix_acl *); extern int posix_acl_chmod(struct inode *, umode_t); extern int posix_acl_create(struct inode *, umode_t *, struct posix_acl **, struct posix_acl **); +extern int posix_acl_update_mode(struct inode *, umode_t *, struct posix_acl **); extern int simple_set_acl(struct inode *, struct posix_acl *, int); extern int simple_acl_create(struct inode *, struct inode *); diff --git a/mm/shmem.c b/mm/shmem.c index 971fc83e6402..898a6f224187 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -960,7 +960,7 @@ static int shmem_setattr(struct dentry *dentry, struct iattr *attr) struct shmem_sb_info *sbinfo = SHMEM_SB(inode->i_sb); int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; |