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author | Tang Junhui <tang.junhui@zte.com.cn> | 2017-09-06 06:25:53 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-09-27 12:39:24 (GMT) |
commit | 8f51f38883dcff93f55e132d3d8b1c991e809474 (patch) | |
tree | b272ba679381c85a78af274071a447adf358dcbc /drivers | |
parent | c234e0e77572d78cbac0de7acee2263343595c25 (diff) | |
download | linux-8f51f38883dcff93f55e132d3d8b1c991e809474.tar.xz |
bcache: do not subtract sectors_to_gc for bypassed IO
commit 69daf03adef5f7bc13e0ac86b4b8007df1767aab upstream.
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>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-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 a37c177..e0f1c6d 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. |