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>
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@ -622,7 +622,7 @@ void
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xfs_blkdev_issue_flush(
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xfs_buftarg_t *buftarg)
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{
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blkdev_issue_flush(buftarg->bt_bdev, GFP_KERNEL, NULL);
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blkdev_issue_flush(buftarg->bt_bdev, GFP_NOFS, NULL);
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}
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STATIC void
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