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path: root/fs/notify/fanotify/fanotify_user.c
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Diffstat (limited to 'fs/notify/fanotify/fanotify_user.c')
-rw-r--r--fs/notify/fanotify/fanotify_user.c35
1 files changed, 22 insertions, 13 deletions
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index bff8567aa42d..cf275500a665 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -487,20 +487,27 @@ static __u32 fanotify_mark_remove_from_mask(struct fsnotify_mark *fsn_mark,
unsigned int flags,
int *destroy)
{
- __u32 oldmask;
+ __u32 oldmask = 0;
spin_lock(&fsn_mark->lock);
if (!(flags & FAN_MARK_IGNORED_MASK)) {
+ __u32 tmask = fsn_mark->mask & ~mask;
+
+ if (flags & FAN_MARK_ONDIR)
+ tmask &= ~FAN_ONDIR;
+
oldmask = fsn_mark->mask;
- fsnotify_set_mark_mask_locked(fsn_mark, (oldmask & ~mask));
+ fsnotify_set_mark_mask_locked(fsn_mark, tmask);
} else {
- oldmask = fsn_mark->ignored_mask;
- fsnotify_set_mark_ignored_mask_locked(fsn_mark, (oldmask & ~mask));
+ __u32 tmask = fsn_mark->ignored_mask & ~mask;
+ if (flags & FAN_MARK_ONDIR)
+ tmask &= ~FAN_ONDIR;
+
+ fsnotify_set_mark_ignored_mask_locked(fsn_mark, tmask);
}
+ *destroy = !(fsn_mark->mask | fsn_mark->ignored_mask);
spin_unlock(&fsn_mark->lock);
- *destroy = !(oldmask & ~mask);
-
return mask & oldmask;
}
@@ -569,20 +576,22 @@ static __u32 fanotify_mark_add_to_mask(struct fsnotify_mark *fsn_mark,
spin_lock(&fsn_mark->lock);
if (!(flags & FAN_MARK_IGNORED_MASK)) {
+ __u32 tmask = fsn_mark->mask | mask;
+
+ if (flags & FAN_MARK_ONDIR)
+ tmask |= FAN_ONDIR;
+
oldmask = fsn_mark->mask;
- fsnotify_set_mark_mask_locked(fsn_mark, (oldmask | mask));
+ fsnotify_set_mark_mask_locked(fsn_mark, tmask);
} else {
__u32 tmask = fsn_mark->ignored_mask | mask;
+ if (flags & FAN_MARK_ONDIR)
+ tmask |= FAN_ONDIR;
+
fsnotify_set_mark_ignored_mask_locked(fsn_mark, tmask);
if (flags & FAN_MARK_IGNORED_SURV_MODIFY)
fsn_mark->flags |= FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY;
}
-
- if (!(flags & FAN_MARK_ONDIR)) {
- __u32 tmask = fsn_mark->ignored_mask | FAN_ONDIR;
- fsnotify_set_mark_ignored_mask_locked(fsn_mark, tmask);
- }
-
spin_unlock(&fsn_mark->lock);
return mask & ~oldmask;