diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | include/fuse_lowlevel.h | 8 |
2 files changed, 13 insertions, 0 deletions
@@ -1,3 +1,8 @@ +2014-07-15 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: document deadlock avoidance for + fuse_notify_inval_entry() and fuse_notify_delete() + 2014-03-26 Miklos Szeredi <miklos@szeredi.hu> * Initilaize stat buffer passed to ->getattr() and ->fgetattr() to diff --git a/include/fuse_lowlevel.h b/include/fuse_lowlevel.h index 595f061..31ea87f 100644 --- a/include/fuse_lowlevel.h +++ b/include/fuse_lowlevel.h @@ -1401,6 +1401,10 @@ int fuse_lowlevel_notify_inval_inode(struct fuse_chan *ch, fuse_ino_t ino, * Notify to invalidate parent attributes and the dentry matching * parent/name * + * To avoid a deadlock don't call this function from a filesystem operation and + * don't call it with a lock held that can also be held by a filesystem + * operation. + * * @param ch the channel through which to send the invalidation * @param parent inode number * @param name file name @@ -1415,6 +1419,10 @@ int fuse_lowlevel_notify_inval_entry(struct fuse_chan *ch, fuse_ino_t parent, * parent/name if the dentry's inode number matches child (otherwise it * will invalidate the matching dentry). * + * To avoid a deadlock don't call this function from a filesystem operation and + * don't call it with a lock held that can also be held by a filesystem + * operation. + * * @param ch the channel through which to send the notification * @param parent inode number * @param child inode number |