Btrfs: fix a deadlock in aborting transaction due to ENOSPC

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When committing a transaction, we may bail out of running delayed refs
due to ENOSPC, and then abort the current transaction to flip into readonly.

But we'll hit a deadlock on ref head's lock since we forget to release
its lock and other cleanup stuff.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

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Liu Bo 2012-11-05 12:42:08 +00:00 • committed by Josef Bacik

parent 6c1500f22a

commit 37c4146d22

1 changed files with 7 additions and 0 deletions

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7

fs/btrfs/extent-tree.c

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