For different sync_action, sync_thread will use different max_sectors, see details in md_sync_max_sectors(), currently both md_do_sync() and pers->sync_request() in eatch iteration have to get the same max_sectors. Hence pass in max_sectors for pers->sync_request() to prevent redundant code. Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx> --- drivers/md/md.c | 5 +++-- drivers/md/md.h | 3 ++- drivers/md/raid1.c | 5 ++--- drivers/md/raid10.c | 8 ++------ drivers/md/raid5.c | 3 +-- 5 files changed, 10 insertions(+), 14 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index a1f9d9b69911..e1555971ebe8 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -9191,7 +9191,8 @@ void md_do_sync(struct md_thread *thread) if (test_bit(MD_RECOVERY_INTR, &mddev->recovery)) break; - sectors = mddev->pers->sync_request(mddev, j, &skipped); + sectors = mddev->pers->sync_request(mddev, j, max_sectors, + &skipped); if (sectors == 0) { set_bit(MD_RECOVERY_INTR, &mddev->recovery); break; @@ -9281,7 +9282,7 @@ void md_do_sync(struct md_thread *thread) mddev->curr_resync_completed = mddev->curr_resync; sysfs_notify_dirent_safe(mddev->sysfs_completed); } - mddev->pers->sync_request(mddev, max_sectors, &skipped); + mddev->pers->sync_request(mddev, max_sectors, max_sectors, &skipped); if (!test_bit(MD_RECOVERY_CHECK, &mddev->recovery) && mddev->curr_resync > MD_RESYNC_ACTIVE) { diff --git a/drivers/md/md.h b/drivers/md/md.h index 296a78568fc4..3458ac5ce9c1 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -729,7 +729,8 @@ struct md_personality int (*hot_add_disk) (struct mddev *mddev, struct md_rdev *rdev); int (*hot_remove_disk) (struct mddev *mddev, struct md_rdev *rdev); int (*spare_active) (struct mddev *mddev); - sector_t (*sync_request)(struct mddev *mddev, sector_t sector_nr, int *skipped); + sector_t (*sync_request)(struct mddev *mddev, sector_t sector_nr, + sector_t max_sector, int *skipped); int (*resize) (struct mddev *mddev, sector_t sectors); sector_t (*size) (struct mddev *mddev, sector_t sectors, int raid_disks); int (*check_reshape) (struct mddev *mddev); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 7b8a71ca66dd..387f9a53e35f 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2757,12 +2757,12 @@ static struct r1bio *raid1_alloc_init_r1buf(struct r1conf *conf) */ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, - int *skipped) + sector_t max_sector, int *skipped) { struct r1conf *conf = mddev->private; struct r1bio *r1_bio; struct bio *bio; - sector_t max_sector, nr_sectors; + sector_t nr_sectors; int disk = -1; int i; int wonly = -1; @@ -2778,7 +2778,6 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, if (init_resync(conf)) return 0; - max_sector = mddev->dev_sectors; if (sector_nr >= max_sector) { /* If we aborted, we need to abort the * sync on the 'current' bitmap chunk (there will diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index a4556d2e46bf..af54ac30a667 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3140,12 +3140,12 @@ static void raid10_set_cluster_sync_high(struct r10conf *conf) */ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, - int *skipped) + sector_t max_sector, int *skipped) { struct r10conf *conf = mddev->private; struct r10bio *r10_bio; struct bio *biolist = NULL, *bio; - sector_t max_sector, nr_sectors; + sector_t nr_sectors; int i; int max_sync; sector_t sync_blocks; @@ -3175,10 +3175,6 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, return 0; skipped: - max_sector = mddev->dev_sectors; - if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery) || - test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery)) - max_sector = mddev->resync_max_sectors; if (sector_nr >= max_sector) { conf->cluster_sync_low = 0; conf->cluster_sync_high = 0; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 2bd1ce9b3922..69a083ca41a3 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -6458,11 +6458,10 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr, int *sk } static inline sector_t raid5_sync_request(struct mddev *mddev, sector_t sector_nr, - int *skipped) + sector_t max_sector, int *skipped) { struct r5conf *conf = mddev->private; struct stripe_head *sh; - sector_t max_sector = mddev->dev_sectors; sector_t sync_blocks; int still_degraded = 0; int i; -- 2.39.2