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xfs: using GFP_NOFS for blkdev_issue_flush 

Issuing a block device flush request in transaction context using GFP_KERNEL
directly can cause deadlocks due to memory reclaim recursion. Use GFP_NOFS to
avoid recursion from reclaim context.

Signed-off-by: Shaohua Li <shli@fusionio.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
hifive-unleashed-5.1
Shaohua Li 2012-04-24 21:23:46 +08:00 committed by Ben Myers
parent 01c84d2dc1
commit 7582df516c
1 changed files with 1 additions and 1 deletions
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2
fs/xfs/xfs_super.c
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@ -622,7 +622,7 @@ void
xfs_blkdev_issue_flush(
xfs_buftarg_t *buftarg)
{
blkdev_issue_flush(buftarg->bt_bdev, GFP_KERNEL, NULL);
blkdev_issue_flush(buftarg->bt_bdev, GFP_NOFS, NULL);
}
STATIC void