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[PATCH 3/8] writeback: use WRITE_BG for kupdate and background writeback

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  [PATCH 3/8] writeback: use WRITE_BG for kupdate and background writeback Jens Axboe <axboe@fb.com> - 2016-04-26 18:00 +0200

#1387652 — [PATCH 3/8] writeback: use WRITE_BG for kupdate and background writeback

If we're doing background type writes, then use the appropriate
write command for that.

No functional changes in this patch.

Signed-off-by: Jens Axboe <axboe@fb.com>
---
 include/linux/writeback.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index aa66fa05ff0d..6e4a35acaa3e 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -104,6 +104,8 @@ static inline int wbc_to_write_cmd(struct writeback_control *wbc)
 {
 	if (wbc->sync_mode == WB_SYNC_ALL)
 		return WRITE_SYNC;
+	else if (wbc->for_kupdate || wbc->for_background)
+		return WRITE_BG;
 
 	return WRITE;
 }
-- 
2.8.0.rc4.6.g7e4ba36

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