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Groups > linux.kernel > #1478349

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

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

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 608afd39b1c2..e53abf2bf2d8 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -104,6 +104,8 @@ static inline int wbc_to_write_flags(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 0;
 }
-- 
2.7.4

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Thread

[PATCH 0/8] Throttled background buffered writeback v7 Jens Axboe <axboe@fb.com> - 2016-09-07 16:50 +0200
  [PATCH 3/8] writeback: use WRITE_BG for kupdate and background writeback Jens Axboe <axboe@fb.com> - 2016-09-07 16:50 +0200
  [PATCH 8/8] writeback: throttle buffered writeback Jens Axboe <axboe@fb.com> - 2016-09-07 16:50 +0200
  [PATCH 2/8] writeback: add wbc_to_write_flags() Jens Axboe <axboe@fb.com> - 2016-09-07 16:50 +0200
  [PATCH 4/8] writeback: track if we're sleeping on progress in balance_dirty_pages() Jens Axboe <axboe@fb.com> - 2016-09-07 16:50 +0200
  [PATCH 6/8] block: add scalable completion tracking of requests Jens Axboe <axboe@fb.com> - 2016-09-07 16:50 +0200
  [PATCH 5/8] block: add code to track actual device queue depth Jens Axboe <axboe@fb.com> - 2016-09-07 16:50 +0200
  [PATCH 7/8] wbt: add general throttling mechanism Jens Axboe <axboe@fb.com> - 2016-09-07 16:50 +0200
  Re: [PATCH 0/8] Throttled background buffered writeback v7 Paolo Valente <paolo.valente@unimore.it> - 2016-09-09 11:30 +0200

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