[PATCH 3/8] writeback: use WRITE_BG for kupdate and background writeback
From: Jens Axboe <axboe@fb.com>
Date: 2016-08-31 17:05:59
Also in:
linux-block, lkml
Subsystem:
page cache, the rest · Maintainers:
Matthew Wilcox, Jan Kara, Linus Torvalds
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 e1fc25172397..7fb80c78f159 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 WRITE; }
--
2.7.4