Messages in this thread Patch in this message | | | From | Jens Axboe <> | Subject | [PATCH 3/8] writeback: use WRITE_SYNC for reclaim or sync writeback | Date | Wed, 23 Mar 2016 09:25:45 -0600 |
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If we're doing reclaim or sync IO, use WRITE_SYNC to inform the lower levels of the importance of this IO.
Signed-off-by: Jens Axboe <axboe@fb.com> --- include/linux/writeback.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 719c255e105a..b2c75b8901da 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -102,7 +102,7 @@ struct writeback_control { static inline int wbc_to_write(struct writeback_control *wbc) { - if (wbc->sync_mode == WB_SYNC_ALL) + if (wbc->sync_mode == WB_SYNC_ALL || wbc->for_reclaim || wbc->for_sync) return WRITE_SYNC; return WRITE; -- 2.4.1.168.g1ea28e1
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