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| author | Amir Goldstein <amir73il@gmail.com> | 2023-10-23 21:07:58 +0300 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2023-10-24 17:57:45 +0200 |
| commit | 66c62769bcf6aa142e2309278980a2e52f4b08db (patch) | |
| tree | fbe1385b834c7bf57b87655684bdba6cfdc67634 /fs/notify/fanotify/fanotify_user.c | |
| parent | 05d3ef8bba77c1b5f98d941d8b2d4aeab8118ef1 (diff) | |
| download | linux-stable-66c62769bcf6aa142e2309278980a2e52f4b08db.tar.gz linux-stable-66c62769bcf6aa142e2309278980a2e52f4b08db.tar.bz2 linux-stable-66c62769bcf6aa142e2309278980a2e52f4b08db.zip | |
exportfs: add helpers to check if filesystem can encode/decode file handles
The logic of whether filesystem can encode/decode file handles is open
coded in many places.
In preparation to changing the logic, move the open coded logic into
inline helpers.
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://lore.kernel.org/r/20231023180801.2953446-2-amir73il@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/notify/fanotify/fanotify_user.c')
| -rw-r--r-- | fs/notify/fanotify/fanotify_user.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index 62fe0b679e58..0eb9622e8a9f 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -1595,7 +1595,7 @@ static int fanotify_test_fid(struct dentry *dentry, unsigned int flags) * file handles so user can use name_to_handle_at() to compare fids * reported with events to the file handle of watched objects. */ - if (!nop) + if (!exportfs_can_encode_fid(nop)) return -EOPNOTSUPP; /* @@ -1603,7 +1603,7 @@ static int fanotify_test_fid(struct dentry *dentry, unsigned int flags) * supports decoding file handles, so user has a way to map back the * reported fids to filesystem objects. */ - if (mark_type != FAN_MARK_INODE && !nop->fh_to_dentry) + if (mark_type != FAN_MARK_INODE && !exportfs_can_decode_fh(nop)) return -EOPNOTSUPP; return 0; |