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| author | Amir Goldstein <amir73il@gmail.com> | 2018-10-03 23:25:38 +0200 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2018-10-08 13:48:45 +0200 |
| commit | d0a6a87e40da49cfc7954c491d3065a25a641b29 (patch) | |
| tree | 49e34224bcda4f0a436beb3b4a4e0214606dfaa1 /fs/notify/fanotify/fanotify_user.c | |
| parent | fanotify: add BUILD_BUG_ON() to count the bits of fanotify constants (diff) | |
| download | linux-d0a6a87e40da49cfc7954c491d3065a25a641b29.tar.xz linux-d0a6a87e40da49cfc7954c491d3065a25a641b29.zip | |
fanotify: support reporting thread id instead of process id
In order to identify which thread triggered the event in a
multi-threaded program, add the FAN_REPORT_TID flag in fanotify_init to
opt-in for reporting the event creator's thread id information.
Signed-off-by: nixiaoming <nixiaoming@huawei.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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 14594e491d2b..e03be5071362 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -132,7 +132,7 @@ static int fill_event_metadata(struct fsnotify_group *group, metadata->vers = FANOTIFY_METADATA_VERSION; metadata->reserved = 0; metadata->mask = fsn_event->mask & FANOTIFY_OUTGOING_EVENTS; - metadata->pid = pid_vnr(event->tgid); + metadata->pid = pid_vnr(event->pid); if (unlikely(fsn_event->mask & FAN_Q_OVERFLOW)) metadata->fd = FAN_NOFD; else { @@ -944,7 +944,7 @@ COMPAT_SYSCALL_DEFINE6(fanotify_mark, */ static int __init fanotify_user_setup(void) { - BUILD_BUG_ON(HWEIGHT32(FANOTIFY_INIT_FLAGS) != 6); + BUILD_BUG_ON(HWEIGHT32(FANOTIFY_INIT_FLAGS) != 7); BUILD_BUG_ON(HWEIGHT32(FANOTIFY_MARK_FLAGS) != 9); fanotify_mark_cache = KMEM_CACHE(fsnotify_mark, |