| commit | b77000ed558daa3bef0899d29bf171b8c9b5e6a8 | |
| author | Josef Bacik <jbacik@fb.com> | |
| Wed, 15 Nov 2017 21:20:52 +0000 (15 16:20 -0500) | ||
| committer | David Sterba <dsterba@suse.com> | |
| Mon, 27 Nov 2017 14:50:07 +0000 (27 15:50 +0100) | ||
| tree | df4e2531b11c7a3ea309c9ee991d43090f2be4b5 | treesnapshot (tar.gz zip) |
| parent | 8e138e0d92c6c9d3d481674fb14e3439b495be37 | commitdiff |
btrfs: fix deadlock when writing out space cache
If we fail to prepare our pages for whatever reason (out of memory in
our case) we need to make sure to drop the block_group->data_rwsem,
otherwise hilarity ensues.
Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ add label and use existing unlocking code ]
Signed-off-by: David Sterba <dsterba@suse.com>
If we fail to prepare our pages for whatever reason (out of memory in
our case) we need to make sure to drop the block_group->data_rwsem,
otherwise hilarity ensues.
Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ add label and use existing unlocking code ]
Signed-off-by: David Sterba <dsterba@suse.com>
| fs/btrfs/free-space-cache.c | diffblobblamehistory |