aboutsummaryrefslogtreecommitdiffstats
path: root/fs/notify/fanotify/fanotify.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/notify/fanotify/fanotify.c')
-rw-r--r--fs/notify/fanotify/fanotify.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c
index 94b52157bf8d..5769cf3ff035 100644
--- a/fs/notify/fanotify/fanotify.c
+++ b/fs/notify/fanotify/fanotify.c
@@ -25,7 +25,7 @@ static bool should_merge(struct fsnotify_event *old_fsn,
old = FANOTIFY_E(old_fsn);
new = FANOTIFY_E(new_fsn);
- if (old_fsn->inode == new_fsn->inode && old->tgid == new->tgid &&
+ if (old_fsn->inode == new_fsn->inode && old->pid == new->pid &&
old->path.mnt == new->path.mnt &&
old->path.dentry == new->path.dentry)
return true;
@@ -131,8 +131,8 @@ static bool fanotify_should_send_event(struct fsnotify_iter_info *iter_info,
!(marks_mask & FS_ISDIR & ~marks_ignored_mask))
return false;
- if (event_mask & FAN_ALL_OUTGOING_EVENTS & marks_mask &
- ~marks_ignored_mask)
+ if (event_mask & FANOTIFY_OUTGOING_EVENTS &
+ marks_mask & ~marks_ignored_mask)
return true;
return false;
@@ -171,7 +171,10 @@ struct fanotify_event_info *fanotify_alloc_event(struct fsnotify_group *group,
goto out;
init: __maybe_unused
fsnotify_init_event(&event->fse, inode, mask);
- event->tgid = get_pid(task_tgid(current));
+ if (FAN_GROUP_FLAG(group, FAN_REPORT_TID))
+ event->pid = get_pid(task_pid(current));
+ else
+ event->pid = get_pid(task_tgid(current));
if (path) {
event->path = *path;
path_get(&event->path);
@@ -205,6 +208,8 @@ static int fanotify_handle_event(struct fsnotify_group *group,
BUILD_BUG_ON(FAN_ACCESS_PERM != FS_ACCESS_PERM);
BUILD_BUG_ON(FAN_ONDIR != FS_ISDIR);
+ BUILD_BUG_ON(HWEIGHT32(ALL_FANOTIFY_EVENT_BITS) != 10);
+
if (!fanotify_should_send_event(iter_info, mask, data, data_type))
return 0;
@@ -236,7 +241,7 @@ static int fanotify_handle_event(struct fsnotify_group *group,
ret = fsnotify_add_event(group, fsn_event, fanotify_merge);
if (ret) {
/* Permission events shouldn't be merged */
- BUG_ON(ret == 1 && mask & FAN_ALL_PERM_EVENTS);
+ BUG_ON(ret == 1 && mask & FANOTIFY_PERM_EVENTS);
/* Our event wasn't used in the end. Free it. */
fsnotify_destroy_event(group, fsn_event);
@@ -268,7 +273,7 @@ static void fanotify_free_event(struct fsnotify_event *fsn_event)
event = FANOTIFY_E(fsn_event);
path_put(&event->path);
- put_pid(event->tgid);
+ put_pid(event->pid);
if (fanotify_is_perm_event(fsn_event->mask)) {
kmem_cache_free(fanotify_perm_event_cachep,
FANOTIFY_PE(fsn_event));