]> git.baikalelectronics.ru Git - kernel.git/commit
btrfs: Don't panic when we can't find a root key
authorQu Wenruo <wqu@suse.com>
Tue, 26 Feb 2019 08:33:56 +0000 (16:33 +0800)
committerDavid Sterba <dsterba@suse.com>
Mon, 29 Apr 2019 17:02:17 +0000 (19:02 +0200)
commitf655b3d18a65e5200d1d1887f6b81a7521477e1d
tree19de63c7656fd2df9720881d78cc41ffa8591836
parent3b46acd783aac445528ed8adecfb97b298c3ccc4
btrfs: Don't panic when we can't find a root key

When we failed to find a root key in btrfs_update_root(), we just panic.

That's definitely not cool, fix it by outputting an unique error
message, aborting current transaction and return -EUCLEAN. This should
not normally happen as the root has been used by the callers in some
way.

Reviewed-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/root-tree.c