diff options
-rw-r--r-- | drivers/md/md-bitmap.c | 8 | ||||
-rw-r--r-- | drivers/md/md.c | 33 | ||||
-rw-r--r-- | drivers/md/md.h | 7 |
3 files changed, 17 insertions, 31 deletions
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index b3d701c5c461..9672f75c3050 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -1861,7 +1861,7 @@ void md_bitmap_destroy(struct mddev *mddev) md_bitmap_wait_behind_writes(mddev); if (!mddev->serialize_policy) - mddev_destroy_serial_pool(mddev, NULL, true); + mddev_destroy_serial_pool(mddev, NULL); mutex_lock(&mddev->bitmap_info.mutex); spin_lock(&mddev->lock); @@ -1977,7 +1977,7 @@ int md_bitmap_load(struct mddev *mddev) goto out; rdev_for_each(rdev, mddev) - mddev_create_serial_pool(mddev, rdev, true); + mddev_create_serial_pool(mddev, rdev); if (mddev_is_clustered(mddev)) md_cluster_ops->load_bitmaps(mddev, mddev->bitmap_info.nodes); @@ -2562,11 +2562,11 @@ backlog_store(struct mddev *mddev, const char *buf, size_t len) if (!backlog && mddev->serial_info_pool) { /* serial_info_pool is not needed if backlog is zero */ if (!mddev->serialize_policy) - mddev_destroy_serial_pool(mddev, NULL, true); + mddev_destroy_serial_pool(mddev, NULL); } else if (backlog && !mddev->serial_info_pool) { /* serial_info_pool is needed since backlog is not zero */ rdev_for_each(rdev, mddev) - mddev_create_serial_pool(mddev, rdev, true); + mddev_create_serial_pool(mddev, rdev); } if (old_mwb != backlog) md_bitmap_update_sb(mddev->bitmap); diff --git a/drivers/md/md.c b/drivers/md/md.c index 85e263376be9..77ba8b265e16 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -206,8 +206,7 @@ static int rdev_need_serial(struct md_rdev *rdev) * 1. rdev is the first device which return true from rdev_enable_serial. * 2. rdev is NULL, means we want to enable serialization for all rdevs. */ -void mddev_create_serial_pool(struct mddev *mddev, struct md_rdev *rdev, - bool is_suspend) +void mddev_create_serial_pool(struct mddev *mddev, struct md_rdev *rdev) { int ret = 0; @@ -215,15 +214,12 @@ void mddev_create_serial_pool(struct mddev *mddev, struct md_rdev *rdev, !test_bit(CollisionCheck, &rdev->flags)) return; - if (!is_suspend) - mddev_suspend(mddev); - if (!rdev) ret = rdevs_init_serial(mddev); else ret = rdev_init_serial(rdev); if (ret) - goto abort; + return; if (mddev->serial_info_pool == NULL) { /* @@ -238,10 +234,6 @@ void mddev_create_serial_pool(struct mddev *mddev, struct md_rdev *rdev, pr_err("can't alloc memory pool for serialization\n"); } } - -abort: - if (!is_suspend) - mddev_resume(mddev); } /* @@ -250,8 +242,7 @@ abort: * 2. when bitmap is destroyed while policy is not enabled. * 3. for disable policy, the pool is destroyed only when no rdev needs it. */ -void mddev_destroy_serial_pool(struct mddev *mddev, struct md_rdev *rdev, - bool is_suspend) +void mddev_destroy_serial_pool(struct mddev *mddev, struct md_rdev *rdev) { if (rdev && !test_bit(CollisionCheck, &rdev->flags)) return; @@ -260,8 +251,6 @@ void mddev_destroy_serial_pool(struct mddev *mddev, struct md_rdev *rdev, struct md_rdev *temp; int num = 0; /* used to track if other rdevs need the pool */ - if (!is_suspend) - mddev_suspend(mddev); rdev_for_each(temp, mddev) { if (!rdev) { if (!mddev->serialize_policy || @@ -283,8 +272,6 @@ void mddev_destroy_serial_pool(struct mddev *mddev, struct md_rdev *rdev, mempool_destroy(mddev->serial_info_pool); mddev->serial_info_pool = NULL; } - if (!is_suspend) - mddev_resume(mddev); } } @@ -2557,7 +2544,7 @@ static int bind_rdev_to_array(struct md_rdev *rdev, struct mddev *mddev) pr_debug("md: bind<%s>\n", b); if (mddev->raid_disks) - mddev_create_serial_pool(mddev, rdev, true); + mddev_create_serial_pool(mddev, rdev); if ((err = kobject_add(&rdev->kobj, &mddev->kobj, "dev-%s", b))) goto fail; @@ -2610,7 +2597,7 @@ static void md_kick_rdev_from_array(struct md_rdev *rdev) bd_unlink_disk_holder(rdev->bdev, rdev->mddev->gendisk); list_del_rcu(&rdev->same_set); pr_debug("md: unbind<%pg>\n", rdev->bdev); - mddev_destroy_serial_pool(rdev->mddev, rdev, false); + mddev_destroy_serial_pool(rdev->mddev, rdev); rdev->mddev = NULL; sysfs_remove_link(&rdev->kobj, "block"); sysfs_put(rdev->sysfs_state); @@ -3077,11 +3064,11 @@ state_store(struct md_rdev *rdev, const char *buf, size_t len) } } else if (cmd_match(buf, "writemostly")) { set_bit(WriteMostly, &rdev->flags); - mddev_create_serial_pool(rdev->mddev, rdev, true); + mddev_create_serial_pool(rdev->mddev, rdev); need_update_sb = true; err = 0; } else if (cmd_match(buf, "-writemostly")) { - mddev_destroy_serial_pool(rdev->mddev, rdev, true); + mddev_destroy_serial_pool(rdev->mddev, rdev); clear_bit(WriteMostly, &rdev->flags); need_update_sb = true; err = 0; @@ -5591,9 +5578,9 @@ serialize_policy_store(struct mddev *mddev, const char *buf, size_t len) } if (value) - mddev_create_serial_pool(mddev, NULL, true); + mddev_create_serial_pool(mddev, NULL); else - mddev_destroy_serial_pool(mddev, NULL, true); + mddev_destroy_serial_pool(mddev, NULL); mddev->serialize_policy = value; unlock: mddev_unlock_and_resume(mddev); @@ -6359,7 +6346,7 @@ static void __md_stop_writes(struct mddev *mddev) } /* disable policy to guarantee rdevs free resources for serialization */ mddev->serialize_policy = 0; - mddev_destroy_serial_pool(mddev, NULL, true); + mddev_destroy_serial_pool(mddev, NULL); } void md_stop_writes(struct mddev *mddev) diff --git a/drivers/md/md.h b/drivers/md/md.h index 5c8f3f045e78..63b4c393b1ee 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -817,10 +817,9 @@ extern void __mddev_resume(struct mddev *mddev); extern void md_reload_sb(struct mddev *mddev, int raid_disk); extern void md_update_sb(struct mddev *mddev, int force); -extern void mddev_create_serial_pool(struct mddev *mddev, struct md_rdev *rdev, - bool is_suspend); -extern void mddev_destroy_serial_pool(struct mddev *mddev, struct md_rdev *rdev, - bool is_suspend); +extern void mddev_create_serial_pool(struct mddev *mddev, struct md_rdev *rdev); +extern void mddev_destroy_serial_pool(struct mddev *mddev, + struct md_rdev *rdev); struct md_rdev *md_find_rdev_nr_rcu(struct mddev *mddev, int nr); struct md_rdev *md_find_rdev_rcu(struct mddev *mddev, dev_t dev); |