diff options
-rw-r--r-- | ChangeLog | 3 | ||||
-rw-r--r-- | include/fuse_lowlevel.h | 8 |
2 files changed, 11 insertions, 0 deletions
@@ -1,5 +1,8 @@ 2014-07-15 Miklos Szeredi <miklos@szeredi.hu> + * libfuse: document deadlock avoidance for + fuse_notify_inval_entry() and fuse_notify_delete() + * fusermount, libfuse: send value as unsigned in "user_id=" and "group_id=" options. Uids/gids larger than 2147483647 would result in EINVAL when mounting the filesystem. This also needs a diff --git a/include/fuse_lowlevel.h b/include/fuse_lowlevel.h index 3ba3b4c..6971f73 100644 --- a/include/fuse_lowlevel.h +++ b/include/fuse_lowlevel.h @@ -1335,6 +1335,10 @@ 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 @@ -1349,6 +1353,10 @@ 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 |