Btrfs: add a cond_resched() into the worker loop
authorChris Mason <chris.mason@oracle.com>
Thu, 15 Dec 2011 14:29:43 +0000 (09:29 -0500)
committerChris Mason <chris.mason@oracle.com>
Thu, 15 Dec 2011 15:50:38 +0000 (10:50 -0500)
commit8f3b65a3d66bcc086e1eb040b7545e70681f2ed1
tree3111f24d0e0391f8a1dac3f0a7fb9bff05e2b4bd
parent306424cc880a0fbbdc99eee1f43d056a301a180f
Btrfs: add a cond_resched() into the worker loop

If we have a constant stream of end_io completions or crc work,
we can hit softlockup messages from the async helper threads.  This
adds a cond_resched() into the loop to avoid them.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/async-thread.c