diff options
| author |   Tang Junhui <tang.junhui@zte.com.cn> | 2017-09-06 14:25:53 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2017-09-06 08:17:33 -0600 |
| commit | 69daf03adef5f7bc13e0ac86b4b8007df1767aab (patch) | |
| tree | c54a3ffe7dd6fb9812c85328dc820dc4d261fa04 /drivers/md | |
| parent | bcache: fix sequential large write IO bypass (diff) | |
| download | linux-dev-69daf03adef5f7bc13e0ac86b4b8007df1767aab.tar.xz linux-dev-69daf03adef5f7bc13e0ac86b4b8007df1767aab.zip | |
bcache: do not subtract sectors_to_gc for bypassed IO
Since bypassed IOs use no bucket, so do not subtract sectors_to_gc to
trigger gc thread.
Signed-off-by: tang.junhui <tang.junhui@zte.com.cn>
Acked-by: Coly Li <colyli@suse.de>
Reviewed-by: Eric Wheeler <bcache@linux.ewheeler.net>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/bcache/request.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index de97d86ddff4..681b4f12b05a 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -196,12 +196,12 @@ static void bch_data_insert_start(struct closure *cl) struct data_insert_op *op = container_of(cl, struct data_insert_op, cl); struct bio *bio = op->bio, *n; - if (atomic_sub_return(bio_sectors(bio), &op->c->sectors_to_gc) < 0) - wake_up_gc(op->c); - if (op->bypass) return bch_data_invalidate(cl); + if (atomic_sub_return(bio_sectors(bio), &op->c->sectors_to_gc) < 0) + wake_up_gc(op->c); + /* * Journal writes are marked REQ_PREFLUSH; if the original write was a * flush, it'll wait on the journal write. |