Commit 7582df51 authored Apr 24, 2012 by Shaohua Li Committed by Ben Myers May 14, 2012

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>

parent 01c84d2d

fs/xfs/xfs_super.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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