| commit | 55793c0d0381176e727389325d9a47f7f0b5387f | [log] [tgz] |
|---|---|---|
| author | David Sterba <dsterba@suse.cz> | Fri Apr 26 15:20:23 2013 +0000 |
| committer | Josef Bacik <jbacik@fusionio.com> | Mon May 06 15:55:25 2013 -0400 |
| tree | 580c9b7f5562e314bf13a8cdb92b342bc17db75a | |
| parent | f7a52a40cabea38b99b5053bc4f7cf45f4997603 [diff] |
btrfs: read entire device info under lock There's a theoretical possibility of reading stale (or even more theoretically, freed) data from DEV_INFO ioctl when the device would disappear between an early mutex unlock and data being copied from the device structure. Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fusionio.com>