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| author | Eric Biggers <ebiggers@google.com> | 2019-04-11 16:16:30 -0700 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2019-04-30 23:59:25 -0400 |
| commit | 6ee9706aa22e026f438caabb2982e5f78de2c82c (patch) | |
| tree | b54e68271f2029009503c6364cbc8b4790ed39ec /fs/libfs.c | |
| parent | 1a6a31655071106a34ae06353390891a80c54371 (diff) | |
| download | lwn-6ee9706aa22e026f438caabb2982e5f78de2c82c.tar.gz lwn-6ee9706aa22e026f438caabb2982e5f78de2c82c.zip | |
libfs: document simple_get_link()
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/libfs.c')
| -rw-r--r-- | fs/libfs.c | 14 |
1 files changed, 14 insertions, 0 deletions
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) { |