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| author | Gabriel Krisman Bertazi <krisman@collabora.com> | 2021-10-25 16:27:23 -0300 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2021-10-27 12:33:37 +0200 |
| commit | 808967a0a4d2f4ce6a2005c5692fffbecaf018c1 (patch) | |
| tree | 084a80fda4efaa13fdbc7e7235faee2076f9f971 | |
| parent | e0462f91d24756916fded4313d508e0fc52f39c9 (diff) | |
| download | lwn-808967a0a4d2f4ce6a2005c5692fffbecaf018c1.tar.gz lwn-808967a0a4d2f4ce6a2005c5692fffbecaf018c1.zip | |
fsnotify: Add helper to detect overflow_event
Similarly to fanotify_is_perm_event and friends, provide a helper
predicate to say whether a mask is of an overflow event.
Link: https://lore.kernel.org/r/20211025192746.66445-9-krisman@collabora.com
Suggested-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Jan Kara <jack@suse.cz>
| -rw-r--r-- | fs/notify/fanotify/fanotify.h | 3 | ||||
| -rw-r--r-- | include/linux/fsnotify_backend.h | 5 |
2 files changed, 7 insertions, 1 deletions
diff --git a/fs/notify/fanotify/fanotify.h b/fs/notify/fanotify/fanotify.h index 4a5e555dc3d2..c42cf8fd7d79 100644 --- a/fs/notify/fanotify/fanotify.h +++ b/fs/notify/fanotify/fanotify.h @@ -315,7 +315,8 @@ static inline struct path *fanotify_event_path(struct fanotify_event *event) */ static inline bool fanotify_is_hashed_event(u32 mask) { - return !fanotify_is_perm_event(mask) && !(mask & FS_Q_OVERFLOW); + return !(fanotify_is_perm_event(mask) || + fsnotify_is_overflow_event(mask)); } static inline unsigned int fanotify_event_hash_bucket( diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index a2db821e8a8f..749bc85e1d1c 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -510,6 +510,11 @@ static inline void fsnotify_queue_overflow(struct fsnotify_group *group) fsnotify_add_event(group, group->overflow_event, NULL, NULL); } +static inline bool fsnotify_is_overflow_event(u32 mask) +{ + return mask & FS_Q_OVERFLOW; +} + static inline bool fsnotify_notify_queue_is_empty(struct fsnotify_group *group) { assert_spin_locked(&group->notification_lock); |