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(parent: b526543) | patch
Btrfs: fix deadlock in run_delalloc_nocow
authorLiu Bo <bo.li.liu@oracle.com>
Thu, 25 Jan 2018 18:02:50 +0000 (11:02 -0700)
committerDavid Sterba <dsterba@suse.com>
Fri, 2 Feb 2018 15:24:19 +0000 (16:24 +0100)
commit323547b6715f1f15bd785c3f2050a379c1f49fd3
tree889775d635ab6755456a2b29232ef3d25f696145tree | snapshot
parentb52654300b8cabb00d468724d83bcac6320f40f1commit | diff
Btrfs: fix deadlock in run_delalloc_nocow

@cur_offset is not set back to what it should be (@cow_start) if
btrfs_next_leaf() returns something wrong, and the range [cow_start,
cur_offset) remains locked forever.

cc: <stable@vger.kernel.org>
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/inode.c diff | blob | history
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