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[PATCH] Allow file systems to differentiate between data and meta reads

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We can use this information for making more intelligent priority
decisions, and it will also be useful for blktrace.

Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Jens Axboe
2006-08-10 09:01:02 +02:00
committed by Jens Axboe
parent da20a20f3b
commit 5404bc7a87
4 changed files with 8 additions and 0 deletions
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block/ll_rw_blk.c
+2
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@@ -2884,6 +2884,8 @@ static void init_request_from_bio(struct request *req, struct bio *bio)
if (bio_sync(bio))
req->cmd_flags |= REQ_RW_SYNC;
if (bio_rw_meta(bio))
req->cmd_flags |= REQ_RW_META;
req->errors = 0;
req->hard_sector = req->sector = bio->bi_sector;