From cc94c65015022e7329e80e057e20848581d3f2a5 Mon Sep 17 00:00:00 2001 From: Philipp Reisner Date: Sun, 26 Jun 2011 11:20:27 +0200 Subject: [PATCH] drbd: moved md_io into mdev Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_actlog.c | 12 +++++------- drivers/block/drbd/drbd_int.h | 4 ++-- drivers/block/drbd/drbd_worker.c | 3 +++ 3 files changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index cf0e63dd97da..c64ca6b956cf 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -71,12 +71,10 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev, int rw, int size) { struct bio *bio; - struct drbd_md_io md_io; int ok; - md_io.mdev = mdev; - init_completion(&md_io.event); - md_io.error = 0; + init_completion(&mdev->md_io.event); + mdev->md_io.error = 0; if ((rw & WRITE) && !test_bit(MD_NO_FUA, &mdev->flags)) rw |= REQ_FUA | REQ_FLUSH; @@ -88,7 +86,7 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev, ok = (bio_add_page(bio, page, size, 0) == size); if (!ok) goto out; - bio->bi_private = &md_io; + bio->bi_private = &mdev->md_io; bio->bi_end_io = drbd_md_io_complete; bio->bi_rw = rw; @@ -96,8 +94,8 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev, bio_endio(bio, -EIO); else submit_bio(rw, bio); - wait_for_completion(&md_io.event); - ok = bio_flagged(bio, BIO_UPTODATE) && md_io.error == 0; + wait_for_completion(&mdev->md_io.event); + ok = bio_flagged(bio, BIO_UPTODATE) && mdev->md_io.error == 0; out: bio_put(bio); diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 5bb5114dd23c..91e69ffd5566 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -938,7 +938,6 @@ struct drbd_backing_dev { }; struct drbd_md_io { - struct drbd_conf *mdev; struct completion event; int error; }; @@ -1095,7 +1094,8 @@ struct drbd_conf { wait_queue_head_t ee_wait; struct page *md_io_page; /* one page buffer for md_io */ struct page *md_io_tmpp; /* for logical_block_size != 512 */ - struct mutex md_io_mutex; /* protects the md_io_buffer */ + struct drbd_md_io md_io; + struct mutex md_io_mutex; /* protects the md_io, md_io_page and md_io_tmpp */ spinlock_t al_lock; wait_queue_head_t al_wait; struct lru_cache *act_log; /* activity log */ diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index 4d3e6f6213ba..eedfe311c403 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -70,8 +70,11 @@ rwlock_t global_state_lock; void drbd_md_io_complete(struct bio *bio, int error) { struct drbd_md_io *md_io; + struct drbd_conf *mdev; md_io = (struct drbd_md_io *)bio->bi_private; + mdev = container_of(md_io, struct drbd_conf, md_io); + md_io->error = error; complete(&md_io->event); -- 2.39.2