From 6ee9706aa22e026f438caabb2982e5f78de2c82c Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Thu, 11 Apr 2019 16:16:30 -0700 Subject: libfs: document simple_get_link() Signed-off-by: Eric Biggers Signed-off-by: Al Viro --- fs/libfs.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'fs/libfs.c') diff --git a/fs/libfs.c b/fs/libfs.c index 0fb590d79f30..5f74a9872974 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -1167,6 +1167,20 @@ 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) { -- cgit v1.2.3-55-g7522