diff options
Diffstat (limited to 'drivers/md/dm-zoned-metadata.c')
| -rw-r--r-- | drivers/md/dm-zoned-metadata.c | 90 |
1 files changed, 23 insertions, 67 deletions
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c index 9d3cca8e3dc9..deff22ecccbb 100644 --- a/drivers/md/dm-zoned-metadata.c +++ b/drivers/md/dm-zoned-metadata.c @@ -187,7 +187,7 @@ struct dmz_metadata { struct rb_root mblk_rbtree; struct list_head mblk_lru_list; struct list_head mblk_dirty_list; - struct shrinker mblk_shrinker; + struct shrinker *mblk_shrinker; /* Zone allocation management */ struct mutex map_lock; @@ -245,11 +245,6 @@ unsigned int dmz_zone_nr_blocks(struct dmz_metadata *zmd) return zmd->zone_nr_blocks; } -unsigned int dmz_zone_nr_blocks_shift(struct dmz_metadata *zmd) -{ - return zmd->zone_nr_blocks_shift; -} - unsigned int dmz_zone_nr_sectors(struct dmz_metadata *zmd) { return zmd->zone_nr_sectors; @@ -615,7 +610,7 @@ static unsigned long dmz_shrink_mblock_cache(struct dmz_metadata *zmd, static unsigned long dmz_mblock_shrinker_count(struct shrinker *shrink, struct shrink_control *sc) { - struct dmz_metadata *zmd = container_of(shrink, struct dmz_metadata, mblk_shrinker); + struct dmz_metadata *zmd = shrink->private_data; return atomic_read(&zmd->nr_mblks); } @@ -626,7 +621,7 @@ static unsigned long dmz_mblock_shrinker_count(struct shrinker *shrink, static unsigned long dmz_mblock_shrinker_scan(struct shrinker *shrink, struct shrink_control *sc) { - struct dmz_metadata *zmd = container_of(shrink, struct dmz_metadata, mblk_shrinker); + struct dmz_metadata *zmd = shrink->private_data; unsigned long count; spin_lock(&zmd->mblk_lock); @@ -1655,10 +1650,13 @@ static int dmz_reset_zone(struct dmz_metadata *zmd, struct dm_zone *zone) if (!dmz_is_empty(zone) || dmz_seq_write_err(zone)) { struct dmz_dev *dev = zone->dev; + unsigned int noio_flag; + noio_flag = memalloc_noio_save(); ret = blkdev_zone_mgmt(dev->bdev, REQ_OP_ZONE_RESET, dmz_start_sect(zmd, zone), - zmd->zone_nr_sectors, GFP_NOIO); + zmd->zone_nr_sectors); + memalloc_noio_restore(noio_flag); if (ret) { dmz_dev_err(dev, "Reset zone %u failed %d", zone->id, ret); @@ -2836,12 +2834,11 @@ static void dmz_print_dev(struct dmz_metadata *zmd, int num) { struct dmz_dev *dev = &zmd->dev[num]; - if (bdev_zoned_model(dev->bdev) == BLK_ZONED_NONE) + if (!bdev_is_zoned(dev->bdev)) dmz_dev_info(dev, "Regular block device"); else - dmz_dev_info(dev, "Host-%s zoned block device", - bdev_zoned_model(dev->bdev) == BLK_ZONED_HA ? - "aware" : "managed"); + dmz_dev_info(dev, "Host-managed zoned block device"); + if (zmd->sb_version > 1) { sector_t sector_offset = dev->zone_offset << zmd->zone_nr_sectors_shift; @@ -2936,19 +2933,23 @@ int dmz_ctr_metadata(struct dmz_dev *dev, int num_dev, */ zmd->min_nr_mblks = 2 + zmd->nr_map_blocks + zmd->zone_nr_bitmap_blocks * 16; zmd->max_nr_mblks = zmd->min_nr_mblks + 512; - zmd->mblk_shrinker.count_objects = dmz_mblock_shrinker_count; - zmd->mblk_shrinker.scan_objects = dmz_mblock_shrinker_scan; - zmd->mblk_shrinker.seeks = DEFAULT_SEEKS; /* Metadata cache shrinker */ - ret = register_shrinker(&zmd->mblk_shrinker, "dm-zoned-meta:(%u:%u)", - MAJOR(dev->bdev->bd_dev), - MINOR(dev->bdev->bd_dev)); - if (ret) { - dmz_zmd_err(zmd, "Register metadata cache shrinker failed"); + zmd->mblk_shrinker = shrinker_alloc(0, "dm-zoned-meta:(%u:%u)", + MAJOR(dev->bdev->bd_dev), + MINOR(dev->bdev->bd_dev)); + if (!zmd->mblk_shrinker) { + ret = -ENOMEM; + dmz_zmd_err(zmd, "Allocate metadata cache shrinker failed"); goto err; } + zmd->mblk_shrinker->count_objects = dmz_mblock_shrinker_count; + zmd->mblk_shrinker->scan_objects = dmz_mblock_shrinker_scan; + zmd->mblk_shrinker->private_data = zmd; + + shrinker_register(zmd->mblk_shrinker); + dmz_zmd_info(zmd, "DM-Zoned metadata version %d", zmd->sb_version); for (i = 0; i < zmd->nr_devs; i++) dmz_print_dev(zmd, i); @@ -2995,52 +2996,7 @@ err: */ void dmz_dtr_metadata(struct dmz_metadata *zmd) { - unregister_shrinker(&zmd->mblk_shrinker); + shrinker_free(zmd->mblk_shrinker); dmz_cleanup_metadata(zmd); kfree(zmd); } - -/* - * Check zone information on resume. - */ -int dmz_resume_metadata(struct dmz_metadata *zmd) -{ - struct dm_zone *zone; - sector_t wp_block; - unsigned int i; - int ret; - - /* Check zones */ - for (i = 0; i < zmd->nr_zones; i++) { - zone = dmz_get(zmd, i); - if (!zone) { - dmz_zmd_err(zmd, "Unable to get zone %u", i); - return -EIO; - } - wp_block = zone->wp_block; - - ret = dmz_update_zone(zmd, zone); - if (ret) { - dmz_zmd_err(zmd, "Broken zone %u", i); - return ret; - } - - if (dmz_is_offline(zone)) { - dmz_zmd_warn(zmd, "Zone %u is offline", i); - continue; - } - - /* Check write pointer */ - if (!dmz_is_seq(zone)) - zone->wp_block = 0; - else if (zone->wp_block != wp_block) { - dmz_zmd_err(zmd, "Zone %u: Invalid wp (%llu / %llu)", - i, (u64)zone->wp_block, (u64)wp_block); - zone->wp_block = wp_block; - dmz_invalidate_blocks(zmd, zone, zone->wp_block, - zmd->zone_nr_blocks - zone->wp_block); - } - } - - return 0; -} |