diff options
| -rw-r--r-- | fs/notify/fsnotify.c | 20 | ||||
| -rw-r--r-- | include/linux/fsnotify_backend.h | 2 |
2 files changed, 14 insertions, 8 deletions
diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c index 4498a208df9..57ecadd85ab 100644 --- a/fs/notify/fsnotify.c +++ b/fs/notify/fsnotify.c @@ -252,20 +252,23 @@ int fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is, if (inode_group > vfsmount_group) { /* handle inode */ - send_to_group(to_tell, NULL, inode_mark, NULL, mask, data, - data_is, cookie, file_name, &event); + ret = send_to_group(to_tell, NULL, inode_mark, NULL, mask, data, + data_is, cookie, file_name, &event); /* we didn't use the vfsmount_mark */ vfsmount_group = NULL; } else if (vfsmount_group > inode_group) { - send_to_group(to_tell, mnt, NULL, vfsmount_mark, mask, data, - data_is, cookie, file_name, &event); + ret = send_to_group(to_tell, mnt, NULL, vfsmount_mark, mask, data, + data_is, cookie, file_name, &event); inode_group = NULL; } else { - send_to_group(to_tell, mnt, inode_mark, vfsmount_mark, - mask, data, data_is, cookie, file_name, - &event); + ret = send_to_group(to_tell, mnt, inode_mark, vfsmount_mark, + mask, data, data_is, cookie, file_name, + &event); } + if (ret && (mask & ALL_FSNOTIFY_PERM_EVENTS)) + goto out; + if (inode_group) inode_node = srcu_dereference(inode_node->next, &fsnotify_mark_srcu); @@ -273,7 +276,8 @@ int fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is, vfsmount_node = srcu_dereference(vfsmount_node->next, &fsnotify_mark_srcu); } - + ret = 0; +out: srcu_read_unlock(&fsnotify_mark_srcu, idx); /* * fsnotify_create_event() took a reference so the event can't be cleaned diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 82532953416..026892187c8 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -64,6 +64,8 @@ #define FS_MOVE (FS_MOVED_FROM | FS_MOVED_TO) +#define ALL_FSNOTIFY_PERM_EVENTS (FS_OPEN_PERM | FS_ACCESS_PERM) + #define ALL_FSNOTIFY_EVENTS (FS_ACCESS | FS_MODIFY | FS_ATTRIB | \ FS_CLOSE_WRITE | FS_CLOSE_NOWRITE | FS_OPEN | \ FS_MOVED_FROM | FS_MOVED_TO | FS_CREATE | \ |