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-rw-r--r--drivers/md/raid1-10.c5
-rw-r--r--drivers/md/raid1.c11
-rw-r--r--drivers/md/raid1.h1
-rw-r--r--drivers/md/raid10.c17
-rw-r--r--drivers/md/raid10.h1
5 files changed, 8 insertions, 27 deletions
diff --git a/drivers/md/raid1-10.c b/drivers/md/raid1-10.c
index 83f9a4f3d82e..e61f6cad4e08 100644
--- a/drivers/md/raid1-10.c
+++ b/drivers/md/raid1-10.c
@@ -28,6 +28,11 @@ struct resync_pages {
struct page *pages[RESYNC_PAGES];
};
+struct raid1_plug_cb {
+ struct blk_plug_cb cb;
+ struct bio_list pending;
+};
+
static void rbio_pool_free(void *rbio, void *data)
{
kfree(rbio);
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index c3288d46948d..0fb4d252034b 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -824,7 +824,6 @@ static void flush_pending_writes(struct r1conf *conf)
struct bio *bio;
bio = bio_list_get(&conf->pending_bio_list);
- conf->pending_count = 0;
spin_unlock_irq(&conf->device_lock);
/*
@@ -1167,12 +1166,6 @@ free_pages:
bio_put(behind_bio);
}
-struct raid1_plug_cb {
- struct blk_plug_cb cb;
- struct bio_list pending;
- int pending_cnt;
-};
-
static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule)
{
struct raid1_plug_cb *plug = container_of(cb, struct raid1_plug_cb,
@@ -1184,7 +1177,6 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule)
if (from_schedule || current->bio_list) {
spin_lock_irq(&conf->device_lock);
bio_list_merge(&conf->pending_bio_list, &plug->pending);
- conf->pending_count += plug->pending_cnt;
spin_unlock_irq(&conf->device_lock);
wake_up(&conf->wait_barrier);
md_wakeup_thread(mddev->thread);
@@ -1588,11 +1580,9 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio,
plug = NULL;
if (plug) {
bio_list_add(&plug->pending, mbio);
- plug->pending_cnt++;
} else {
spin_lock_irqsave(&conf->device_lock, flags);
bio_list_add(&conf->pending_bio_list, mbio);
- conf->pending_count++;
spin_unlock_irqrestore(&conf->device_lock, flags);
md_wakeup_thread(mddev->thread);
}
@@ -3058,7 +3048,6 @@ static struct r1conf *setup_conf(struct mddev *mddev)
init_waitqueue_head(&conf->wait_barrier);
bio_list_init(&conf->pending_bio_list);
- conf->pending_count = 0;
conf->recovery_disabled = mddev->recovery_disabled - 1;
err = -EIO;
diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h
index ccf10e59b116..ebb6788820e7 100644
--- a/drivers/md/raid1.h
+++ b/drivers/md/raid1.h
@@ -87,7 +87,6 @@ struct r1conf {
/* queue pending writes to be submitted on unplug */
struct bio_list pending_bio_list;
- int pending_count;
/* for use when syncing mirrors:
* We don't allow both normal IO and resync/recovery IO at
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 5dd2e17e1d0e..b369ebb965a9 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -861,7 +861,6 @@ static void flush_pending_writes(struct r10conf *conf)
struct bio *bio;
bio = bio_list_get(&conf->pending_bio_list);
- conf->pending_count = 0;
spin_unlock_irq(&conf->device_lock);
/*
@@ -1054,16 +1053,9 @@ static sector_t choose_data_offset(struct r10bio *r10_bio,
return rdev->new_data_offset;
}
-struct raid10_plug_cb {
- struct blk_plug_cb cb;
- struct bio_list pending;
- int pending_cnt;
-};
-
static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule)
{
- struct raid10_plug_cb *plug = container_of(cb, struct raid10_plug_cb,
- cb);
+ struct raid1_plug_cb *plug = container_of(cb, struct raid1_plug_cb, cb);
struct mddev *mddev = plug->cb.data;
struct r10conf *conf = mddev->private;
struct bio *bio;
@@ -1071,7 +1063,6 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule)
if (from_schedule || current->bio_list) {
spin_lock_irq(&conf->device_lock);
bio_list_merge(&conf->pending_bio_list, &plug->pending);
- conf->pending_count += plug->pending_cnt;
spin_unlock_irq(&conf->device_lock);
wake_up(&conf->wait_barrier);
md_wakeup_thread(mddev->thread);
@@ -1238,7 +1229,7 @@ static void raid10_write_one_disk(struct mddev *mddev, struct r10bio *r10_bio,
const unsigned long do_fua = (bio->bi_opf & REQ_FUA);
unsigned long flags;
struct blk_plug_cb *cb;
- struct raid10_plug_cb *plug = NULL;
+ struct raid1_plug_cb *plug = NULL;
struct r10conf *conf = mddev->private;
struct md_rdev *rdev;
int devnum = r10_bio->devs[n_copy].devnum;
@@ -1280,16 +1271,14 @@ static void raid10_write_one_disk(struct mddev *mddev, struct r10bio *r10_bio,
cb = blk_check_plugged(raid10_unplug, mddev, sizeof(*plug));
if (cb)
- plug = container_of(cb, struct raid10_plug_cb, cb);
+ plug = container_of(cb, struct raid1_plug_cb, cb);
else
plug = NULL;
if (plug) {
bio_list_add(&plug->pending, mbio);
- plug->pending_cnt++;
} else {
spin_lock_irqsave(&conf->device_lock, flags);
bio_list_add(&conf->pending_bio_list, mbio);
- conf->pending_count++;
spin_unlock_irqrestore(&conf->device_lock, flags);
md_wakeup_thread(mddev->thread);
}
diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h
index c34bb196790e..5c0804d8bb1f 100644
--- a/drivers/md/raid10.h
+++ b/drivers/md/raid10.h
@@ -75,7 +75,6 @@ struct r10conf {
/* queue pending writes and submit them on unplug */
struct bio_list pending_bio_list;
- int pending_count;
spinlock_t resync_lock;
atomic_t nr_pending;