diff options
Diffstat (limited to 'fs/notify/fsnotify.c')
| -rw-r--r-- | fs/notify/fsnotify.c | 31 |
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)) |