diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-07-18 11:16:51 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-07-26 08:20:03 -0700 |
| commit | 5b094d6dac0451ad89b1dc088395c7b399b7e9e8 (patch) | |
| tree | 83ef91fc22af5f57c4f08902ec92b3d432d0f1b9 /crypto | |
| parent | 6215894e11de224183c89b001f5363912442b489 (diff) | |
xfs: fix multi-AG deadlock in xfs_bunmapixfs-4.13-fixes-2
Just like in the allocator we must avoid touching multiple AGs out of
order when freeing blocks, as freeing still locks the AGF and can cause
the same AB-BA deadlocks as in the allocation path.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Nikolay Borisov <n.borisov.lkml@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'crypto')
0 files changed, 0 insertions, 0 deletions