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-rw-r--r--fs/notify/fsnotify.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index 7f14ddc3efc2..3ad940d0bac1 100644
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -140,6 +140,33 @@ void __fsnotify_parent(struct path *path, struct dentry *dentry, __u32 mask)
}
EXPORT_SYMBOL_GPL(__fsnotify_parent);
+void __fsnotify_flush_ignored_mask(struct inode *inode, void *data, int data_is)
+{
+ struct fsnotify_mark *mark;
+ struct hlist_node *node;
+
+ if (!hlist_empty(&inode->i_fsnotify_marks)) {
+ spin_lock(&inode->i_lock);
+ hlist_for_each_entry(mark, node, &inode->i_fsnotify_marks, i.i_list) {
+ mark->ignored_mask = 0;
+ }
+ spin_unlock(&inode->i_lock);
+ }
+
+ if (data_is == FSNOTIFY_EVENT_PATH) {
+ struct vfsmount *mnt;
+
+ mnt = ((struct path *)data)->mnt;
+ if (mnt && !hlist_empty(&mnt->mnt_fsnotify_marks)) {
+ spin_lock(&mnt->mnt_root->d_lock);
+ hlist_for_each_entry(mark, node, &mnt->mnt_fsnotify_marks, m.m_list) {
+ mark->ignored_mask = 0;
+ }
+ spin_unlock(&mnt->mnt_root->d_lock);
+ }
+ }
+}
+
static void send_to_group(struct fsnotify_group *group, struct inode *to_tell,
struct vfsmount *mnt, __u32 mask, void *data,
int data_is, u32 cookie, const char *file_name,
@@ -170,6 +197,7 @@ static bool needed_by_vfsmount(__u32 test_mask, struct vfsmount *mnt)
return (test_mask & mnt->mnt_fsnotify_mask);
}
+
/*
* This is the main call to fsnotify. The VFS calls into hook specific functions
* in linux/fsnotify.h. Those functions then in turn call here. Here will call
@@ -190,6 +218,9 @@ void fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is, const
list_empty(&fsnotify_vfsmount_groups))
return;
+ if (mask & FS_MODIFY)
+ __fsnotify_flush_ignored_mask(to_tell, data, data_is);
+
/* if none of the directed listeners or vfsmount listeners care */
if (!(test_mask & fsnotify_inode_mask) &&
!(test_mask & fsnotify_vfsmount_mask))