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Groups > linux.kernel > #1509820
| From | Jens Axboe <axboe@fb.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 3/8] writeback: use WRITE_BG for kupdate and background writeback |
| Date | 2016-10-26 23:00 +0200 |
| Message-ID | <swDsL-uO-47@gated-at.bofh.it> (permalink) |
| References | <swDsK-uO-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 78b87c517b5f..f12f0b34daca 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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[PATCHSET] block: buffered writeback throttling Jens Axboe <axboe@fb.com> - 2016-10-26 23:00 +0200 [PATCH 3/8] writeback: use WRITE_BG for kupdate and background writeback Jens Axboe <axboe@fb.com> - 2016-10-26 23:00 +0200 [PATCH 6/8] block: add scalable completion tracking of requests Jens Axboe <axboe@fb.com> - 2016-10-26 23:00 +0200
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