diff options
Diffstat (limited to 'fs/libfs.c')
-rw-r--r-- | fs/libfs.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/libfs.c b/fs/libfs.c index 0fb590d79f30..7e52e77692ec 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * fs/libfs.c * Library for filesystems writers. @@ -146,9 +147,11 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int whence) switch (whence) { case 1: offset += file->f_pos; + /* fall through */ case 0: if (offset >= 0) break; + /* fall through */ default: return -EINVAL; } @@ -1167,6 +1170,20 @@ simple_nosetlease(struct file *filp, long arg, struct file_lock **flp, } EXPORT_SYMBOL(simple_nosetlease); +/** + * simple_get_link - generic helper to get the target of "fast" symlinks + * @dentry: not used here + * @inode: the symlink inode + * @done: not used here + * + * Generic helper for filesystems to use for symlink inodes where a pointer to + * the symlink target is stored in ->i_link. NOTE: this isn't normally called, + * since as an optimization the path lookup code uses any non-NULL ->i_link + * directly, without calling ->get_link(). But ->get_link() still must be set, + * to mark the inode_operations as being for a symlink. + * + * Return: the symlink target + */ const char *simple_get_link(struct dentry *dentry, struct inode *inode, struct delayed_call *done) { |