dm zoned: store device in struct dmz_sb
Store the device together with the superblock so that we don't have to recur to the metadata to find it. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Bob Liu <bob.liu@oracle.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
parent
735bd7e4cd
commit
bf28a3ba09
|
@ -122,6 +122,7 @@ enum {
|
||||||
*/
|
*/
|
||||||
struct dmz_sb {
|
struct dmz_sb {
|
||||||
sector_t block;
|
sector_t block;
|
||||||
|
struct dmz_dev *dev;
|
||||||
struct dmz_mblock *mblk;
|
struct dmz_mblock *mblk;
|
||||||
struct dmz_super *sb;
|
struct dmz_super *sb;
|
||||||
struct dm_zone *zone;
|
struct dm_zone *zone;
|
||||||
|
@ -197,6 +198,11 @@ sector_t dmz_start_block(struct dmz_metadata *zmd, struct dm_zone *zone)
|
||||||
return (sector_t)zone->id << zmd->dev->zone_nr_blocks_shift;
|
return (sector_t)zone->id << zmd->dev->zone_nr_blocks_shift;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
struct dmz_dev *dmz_zone_to_dev(struct dmz_metadata *zmd, struct dm_zone *zone)
|
||||||
|
{
|
||||||
|
return &zmd->dev[0];
|
||||||
|
}
|
||||||
|
|
||||||
unsigned int dmz_nr_zones(struct dmz_metadata *zmd)
|
unsigned int dmz_nr_zones(struct dmz_metadata *zmd)
|
||||||
{
|
{
|
||||||
return zmd->dev->nr_zones;
|
return zmd->dev->nr_zones;
|
||||||
|
@ -412,9 +418,10 @@ static struct dmz_mblock *dmz_get_mblock_slow(struct dmz_metadata *zmd,
|
||||||
{
|
{
|
||||||
struct dmz_mblock *mblk, *m;
|
struct dmz_mblock *mblk, *m;
|
||||||
sector_t block = zmd->sb[zmd->mblk_primary].block + mblk_no;
|
sector_t block = zmd->sb[zmd->mblk_primary].block + mblk_no;
|
||||||
|
struct dmz_dev *dev = zmd->sb[zmd->mblk_primary].dev;
|
||||||
struct bio *bio;
|
struct bio *bio;
|
||||||
|
|
||||||
if (dmz_bdev_is_dying(zmd->dev))
|
if (dmz_bdev_is_dying(dev))
|
||||||
return ERR_PTR(-EIO);
|
return ERR_PTR(-EIO);
|
||||||
|
|
||||||
/* Get a new block and a BIO to read it */
|
/* Get a new block and a BIO to read it */
|
||||||
|
@ -450,7 +457,7 @@ static struct dmz_mblock *dmz_get_mblock_slow(struct dmz_metadata *zmd,
|
||||||
|
|
||||||
/* Submit read BIO */
|
/* Submit read BIO */
|
||||||
bio->bi_iter.bi_sector = dmz_blk2sect(block);
|
bio->bi_iter.bi_sector = dmz_blk2sect(block);
|
||||||
bio_set_dev(bio, zmd->dev->bdev);
|
bio_set_dev(bio, dev->bdev);
|
||||||
bio->bi_private = mblk;
|
bio->bi_private = mblk;
|
||||||
bio->bi_end_io = dmz_mblock_bio_end_io;
|
bio->bi_end_io = dmz_mblock_bio_end_io;
|
||||||
bio_set_op_attrs(bio, REQ_OP_READ, REQ_META | REQ_PRIO);
|
bio_set_op_attrs(bio, REQ_OP_READ, REQ_META | REQ_PRIO);
|
||||||
|
@ -547,6 +554,7 @@ static struct dmz_mblock *dmz_get_mblock(struct dmz_metadata *zmd,
|
||||||
sector_t mblk_no)
|
sector_t mblk_no)
|
||||||
{
|
{
|
||||||
struct dmz_mblock *mblk;
|
struct dmz_mblock *mblk;
|
||||||
|
struct dmz_dev *dev = zmd->sb[zmd->mblk_primary].dev;
|
||||||
|
|
||||||
/* Check rbtree */
|
/* Check rbtree */
|
||||||
spin_lock(&zmd->mblk_lock);
|
spin_lock(&zmd->mblk_lock);
|
||||||
|
@ -565,7 +573,7 @@ static struct dmz_mblock *dmz_get_mblock(struct dmz_metadata *zmd,
|
||||||
TASK_UNINTERRUPTIBLE);
|
TASK_UNINTERRUPTIBLE);
|
||||||
if (test_bit(DMZ_META_ERROR, &mblk->state)) {
|
if (test_bit(DMZ_META_ERROR, &mblk->state)) {
|
||||||
dmz_release_mblock(zmd, mblk);
|
dmz_release_mblock(zmd, mblk);
|
||||||
dmz_check_bdev(zmd->dev);
|
dmz_check_bdev(dev);
|
||||||
return ERR_PTR(-EIO);
|
return ERR_PTR(-EIO);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -589,10 +597,11 @@ static void dmz_dirty_mblock(struct dmz_metadata *zmd, struct dmz_mblock *mblk)
|
||||||
static int dmz_write_mblock(struct dmz_metadata *zmd, struct dmz_mblock *mblk,
|
static int dmz_write_mblock(struct dmz_metadata *zmd, struct dmz_mblock *mblk,
|
||||||
unsigned int set)
|
unsigned int set)
|
||||||
{
|
{
|
||||||
|
struct dmz_dev *dev = zmd->sb[set].dev;
|
||||||
sector_t block = zmd->sb[set].block + mblk->no;
|
sector_t block = zmd->sb[set].block + mblk->no;
|
||||||
struct bio *bio;
|
struct bio *bio;
|
||||||
|
|
||||||
if (dmz_bdev_is_dying(zmd->dev))
|
if (dmz_bdev_is_dying(dev))
|
||||||
return -EIO;
|
return -EIO;
|
||||||
|
|
||||||
bio = bio_alloc(GFP_NOIO, 1);
|
bio = bio_alloc(GFP_NOIO, 1);
|
||||||
|
@ -604,7 +613,7 @@ static int dmz_write_mblock(struct dmz_metadata *zmd, struct dmz_mblock *mblk,
|
||||||
set_bit(DMZ_META_WRITING, &mblk->state);
|
set_bit(DMZ_META_WRITING, &mblk->state);
|
||||||
|
|
||||||
bio->bi_iter.bi_sector = dmz_blk2sect(block);
|
bio->bi_iter.bi_sector = dmz_blk2sect(block);
|
||||||
bio_set_dev(bio, zmd->dev->bdev);
|
bio_set_dev(bio, dev->bdev);
|
||||||
bio->bi_private = mblk;
|
bio->bi_private = mblk;
|
||||||
bio->bi_end_io = dmz_mblock_bio_end_io;
|
bio->bi_end_io = dmz_mblock_bio_end_io;
|
||||||
bio_set_op_attrs(bio, REQ_OP_WRITE, REQ_META | REQ_PRIO);
|
bio_set_op_attrs(bio, REQ_OP_WRITE, REQ_META | REQ_PRIO);
|
||||||
|
@ -617,13 +626,13 @@ static int dmz_write_mblock(struct dmz_metadata *zmd, struct dmz_mblock *mblk,
|
||||||
/*
|
/*
|
||||||
* Read/write a metadata block.
|
* Read/write a metadata block.
|
||||||
*/
|
*/
|
||||||
static int dmz_rdwr_block(struct dmz_metadata *zmd, int op, sector_t block,
|
static int dmz_rdwr_block(struct dmz_dev *dev, int op,
|
||||||
struct page *page)
|
sector_t block, struct page *page)
|
||||||
{
|
{
|
||||||
struct bio *bio;
|
struct bio *bio;
|
||||||
int ret;
|
int ret;
|
||||||
|
|
||||||
if (dmz_bdev_is_dying(zmd->dev))
|
if (dmz_bdev_is_dying(dev))
|
||||||
return -EIO;
|
return -EIO;
|
||||||
|
|
||||||
bio = bio_alloc(GFP_NOIO, 1);
|
bio = bio_alloc(GFP_NOIO, 1);
|
||||||
|
@ -631,14 +640,14 @@ static int dmz_rdwr_block(struct dmz_metadata *zmd, int op, sector_t block,
|
||||||
return -ENOMEM;
|
return -ENOMEM;
|
||||||
|
|
||||||
bio->bi_iter.bi_sector = dmz_blk2sect(block);
|
bio->bi_iter.bi_sector = dmz_blk2sect(block);
|
||||||
bio_set_dev(bio, zmd->dev->bdev);
|
bio_set_dev(bio, dev->bdev);
|
||||||
bio_set_op_attrs(bio, op, REQ_SYNC | REQ_META | REQ_PRIO);
|
bio_set_op_attrs(bio, op, REQ_SYNC | REQ_META | REQ_PRIO);
|
||||||
bio_add_page(bio, page, DMZ_BLOCK_SIZE, 0);
|
bio_add_page(bio, page, DMZ_BLOCK_SIZE, 0);
|
||||||
ret = submit_bio_wait(bio);
|
ret = submit_bio_wait(bio);
|
||||||
bio_put(bio);
|
bio_put(bio);
|
||||||
|
|
||||||
if (ret)
|
if (ret)
|
||||||
dmz_check_bdev(zmd->dev);
|
dmz_check_bdev(dev);
|
||||||
return ret;
|
return ret;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -650,6 +659,7 @@ static int dmz_write_sb(struct dmz_metadata *zmd, unsigned int set)
|
||||||
sector_t block = zmd->sb[set].block;
|
sector_t block = zmd->sb[set].block;
|
||||||
struct dmz_mblock *mblk = zmd->sb[set].mblk;
|
struct dmz_mblock *mblk = zmd->sb[set].mblk;
|
||||||
struct dmz_super *sb = zmd->sb[set].sb;
|
struct dmz_super *sb = zmd->sb[set].sb;
|
||||||
|
struct dmz_dev *dev = zmd->sb[set].dev;
|
||||||
u64 sb_gen = zmd->sb_gen + 1;
|
u64 sb_gen = zmd->sb_gen + 1;
|
||||||
int ret;
|
int ret;
|
||||||
|
|
||||||
|
@ -669,9 +679,9 @@ static int dmz_write_sb(struct dmz_metadata *zmd, unsigned int set)
|
||||||
sb->crc = 0;
|
sb->crc = 0;
|
||||||
sb->crc = cpu_to_le32(crc32_le(sb_gen, (unsigned char *)sb, DMZ_BLOCK_SIZE));
|
sb->crc = cpu_to_le32(crc32_le(sb_gen, (unsigned char *)sb, DMZ_BLOCK_SIZE));
|
||||||
|
|
||||||
ret = dmz_rdwr_block(zmd, REQ_OP_WRITE, block, mblk->page);
|
ret = dmz_rdwr_block(dev, REQ_OP_WRITE, block, mblk->page);
|
||||||
if (ret == 0)
|
if (ret == 0)
|
||||||
ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL);
|
ret = blkdev_issue_flush(dev->bdev, GFP_NOIO, NULL);
|
||||||
|
|
||||||
return ret;
|
return ret;
|
||||||
}
|
}
|
||||||
|
@ -684,6 +694,7 @@ static int dmz_write_dirty_mblocks(struct dmz_metadata *zmd,
|
||||||
unsigned int set)
|
unsigned int set)
|
||||||
{
|
{
|
||||||
struct dmz_mblock *mblk;
|
struct dmz_mblock *mblk;
|
||||||
|
struct dmz_dev *dev = zmd->sb[set].dev;
|
||||||
struct blk_plug plug;
|
struct blk_plug plug;
|
||||||
int ret = 0, nr_mblks_submitted = 0;
|
int ret = 0, nr_mblks_submitted = 0;
|
||||||
|
|
||||||
|
@ -705,7 +716,7 @@ static int dmz_write_dirty_mblocks(struct dmz_metadata *zmd,
|
||||||
TASK_UNINTERRUPTIBLE);
|
TASK_UNINTERRUPTIBLE);
|
||||||
if (test_bit(DMZ_META_ERROR, &mblk->state)) {
|
if (test_bit(DMZ_META_ERROR, &mblk->state)) {
|
||||||
clear_bit(DMZ_META_ERROR, &mblk->state);
|
clear_bit(DMZ_META_ERROR, &mblk->state);
|
||||||
dmz_check_bdev(zmd->dev);
|
dmz_check_bdev(dev);
|
||||||
ret = -EIO;
|
ret = -EIO;
|
||||||
}
|
}
|
||||||
nr_mblks_submitted--;
|
nr_mblks_submitted--;
|
||||||
|
@ -713,7 +724,7 @@ static int dmz_write_dirty_mblocks(struct dmz_metadata *zmd,
|
||||||
|
|
||||||
/* Flush drive cache (this will also sync data) */
|
/* Flush drive cache (this will also sync data) */
|
||||||
if (ret == 0)
|
if (ret == 0)
|
||||||
ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL);
|
ret = blkdev_issue_flush(dev->bdev, GFP_NOIO, NULL);
|
||||||
|
|
||||||
return ret;
|
return ret;
|
||||||
}
|
}
|
||||||
|
@ -750,6 +761,7 @@ int dmz_flush_metadata(struct dmz_metadata *zmd)
|
||||||
{
|
{
|
||||||
struct dmz_mblock *mblk;
|
struct dmz_mblock *mblk;
|
||||||
struct list_head write_list;
|
struct list_head write_list;
|
||||||
|
struct dmz_dev *dev;
|
||||||
int ret;
|
int ret;
|
||||||
|
|
||||||
if (WARN_ON(!zmd))
|
if (WARN_ON(!zmd))
|
||||||
|
@ -763,6 +775,7 @@ int dmz_flush_metadata(struct dmz_metadata *zmd)
|
||||||
* from modifying metadata.
|
* from modifying metadata.
|
||||||
*/
|
*/
|
||||||
down_write(&zmd->mblk_sem);
|
down_write(&zmd->mblk_sem);
|
||||||
|
dev = zmd->sb[zmd->mblk_primary].dev;
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* This is called from the target flush work and reclaim work.
|
* This is called from the target flush work and reclaim work.
|
||||||
|
@ -770,7 +783,7 @@ int dmz_flush_metadata(struct dmz_metadata *zmd)
|
||||||
*/
|
*/
|
||||||
dmz_lock_flush(zmd);
|
dmz_lock_flush(zmd);
|
||||||
|
|
||||||
if (dmz_bdev_is_dying(zmd->dev)) {
|
if (dmz_bdev_is_dying(dev)) {
|
||||||
ret = -EIO;
|
ret = -EIO;
|
||||||
goto out;
|
goto out;
|
||||||
}
|
}
|
||||||
|
@ -782,7 +795,7 @@ int dmz_flush_metadata(struct dmz_metadata *zmd)
|
||||||
|
|
||||||
/* If there are no dirty metadata blocks, just flush the device cache */
|
/* If there are no dirty metadata blocks, just flush the device cache */
|
||||||
if (list_empty(&write_list)) {
|
if (list_empty(&write_list)) {
|
||||||
ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL);
|
ret = blkdev_issue_flush(dev->bdev, GFP_NOIO, NULL);
|
||||||
goto err;
|
goto err;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -831,7 +844,7 @@ err:
|
||||||
list_splice(&write_list, &zmd->mblk_dirty_list);
|
list_splice(&write_list, &zmd->mblk_dirty_list);
|
||||||
spin_unlock(&zmd->mblk_lock);
|
spin_unlock(&zmd->mblk_lock);
|
||||||
}
|
}
|
||||||
if (!dmz_check_bdev(zmd->dev))
|
if (!dmz_check_bdev(dev))
|
||||||
ret = -EIO;
|
ret = -EIO;
|
||||||
goto out;
|
goto out;
|
||||||
}
|
}
|
||||||
|
@ -842,8 +855,8 @@ err:
|
||||||
static int dmz_check_sb(struct dmz_metadata *zmd, unsigned int set)
|
static int dmz_check_sb(struct dmz_metadata *zmd, unsigned int set)
|
||||||
{
|
{
|
||||||
struct dmz_super *sb = zmd->sb[set].sb;
|
struct dmz_super *sb = zmd->sb[set].sb;
|
||||||
|
struct dmz_dev *dev = zmd->sb[set].dev;
|
||||||
unsigned int nr_meta_zones, nr_data_zones;
|
unsigned int nr_meta_zones, nr_data_zones;
|
||||||
struct dmz_dev *dev = zmd->dev;
|
|
||||||
u32 crc, stored_crc;
|
u32 crc, stored_crc;
|
||||||
u64 gen;
|
u64 gen;
|
||||||
|
|
||||||
|
@ -908,8 +921,8 @@ static int dmz_check_sb(struct dmz_metadata *zmd, unsigned int set)
|
||||||
*/
|
*/
|
||||||
static int dmz_read_sb(struct dmz_metadata *zmd, unsigned int set)
|
static int dmz_read_sb(struct dmz_metadata *zmd, unsigned int set)
|
||||||
{
|
{
|
||||||
return dmz_rdwr_block(zmd, REQ_OP_READ, zmd->sb[set].block,
|
return dmz_rdwr_block(zmd->sb[set].dev, REQ_OP_READ,
|
||||||
zmd->sb[set].mblk->page);
|
zmd->sb[set].block, zmd->sb[set].mblk->page);
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
@ -934,6 +947,7 @@ static int dmz_lookup_secondary_sb(struct dmz_metadata *zmd)
|
||||||
/* Bad first super block: search for the second one */
|
/* Bad first super block: search for the second one */
|
||||||
zmd->sb[1].block = zmd->sb[0].block + zone_nr_blocks;
|
zmd->sb[1].block = zmd->sb[0].block + zone_nr_blocks;
|
||||||
zmd->sb[1].zone = zmd->sb[0].zone + 1;
|
zmd->sb[1].zone = zmd->sb[0].zone + 1;
|
||||||
|
zmd->sb[1].dev = dmz_zone_to_dev(zmd, zmd->sb[1].zone);
|
||||||
for (i = 0; i < zmd->nr_rnd_zones - 1; i++) {
|
for (i = 0; i < zmd->nr_rnd_zones - 1; i++) {
|
||||||
if (dmz_read_sb(zmd, 1) != 0)
|
if (dmz_read_sb(zmd, 1) != 0)
|
||||||
break;
|
break;
|
||||||
|
@ -942,11 +956,13 @@ static int dmz_lookup_secondary_sb(struct dmz_metadata *zmd)
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
zmd->sb[1].block += zone_nr_blocks;
|
zmd->sb[1].block += zone_nr_blocks;
|
||||||
|
zmd->sb[1].dev = dmz_zone_to_dev(zmd, zmd->sb[1].zone + i);
|
||||||
}
|
}
|
||||||
|
|
||||||
dmz_free_mblock(zmd, mblk);
|
dmz_free_mblock(zmd, mblk);
|
||||||
zmd->sb[1].mblk = NULL;
|
zmd->sb[1].mblk = NULL;
|
||||||
zmd->sb[1].zone = NULL;
|
zmd->sb[1].zone = NULL;
|
||||||
|
zmd->sb[1].dev = NULL;
|
||||||
|
|
||||||
return -EIO;
|
return -EIO;
|
||||||
}
|
}
|
||||||
|
@ -987,7 +1003,8 @@ static int dmz_recover_mblocks(struct dmz_metadata *zmd, unsigned int dst_set)
|
||||||
struct page *page;
|
struct page *page;
|
||||||
int i, ret;
|
int i, ret;
|
||||||
|
|
||||||
dmz_dev_warn(zmd->dev, "Metadata set %u invalid: recovering", dst_set);
|
dmz_dev_warn(zmd->sb[dst_set].dev,
|
||||||
|
"Metadata set %u invalid: recovering", dst_set);
|
||||||
|
|
||||||
if (dst_set == 0)
|
if (dst_set == 0)
|
||||||
zmd->sb[0].block = dmz_start_block(zmd, zmd->sb[0].zone);
|
zmd->sb[0].block = dmz_start_block(zmd, zmd->sb[0].zone);
|
||||||
|
@ -1000,11 +1017,11 @@ static int dmz_recover_mblocks(struct dmz_metadata *zmd, unsigned int dst_set)
|
||||||
|
|
||||||
/* Copy metadata blocks */
|
/* Copy metadata blocks */
|
||||||
for (i = 1; i < zmd->nr_meta_blocks; i++) {
|
for (i = 1; i < zmd->nr_meta_blocks; i++) {
|
||||||
ret = dmz_rdwr_block(zmd, REQ_OP_READ,
|
ret = dmz_rdwr_block(zmd->sb[src_set].dev, REQ_OP_READ,
|
||||||
zmd->sb[src_set].block + i, page);
|
zmd->sb[src_set].block + i, page);
|
||||||
if (ret)
|
if (ret)
|
||||||
goto out;
|
goto out;
|
||||||
ret = dmz_rdwr_block(zmd, REQ_OP_WRITE,
|
ret = dmz_rdwr_block(zmd->sb[dst_set].dev, REQ_OP_WRITE,
|
||||||
zmd->sb[dst_set].block + i, page);
|
zmd->sb[dst_set].block + i, page);
|
||||||
if (ret)
|
if (ret)
|
||||||
goto out;
|
goto out;
|
||||||
|
@ -1043,9 +1060,10 @@ static int dmz_load_sb(struct dmz_metadata *zmd)
|
||||||
|
|
||||||
/* Read and check the primary super block */
|
/* Read and check the primary super block */
|
||||||
zmd->sb[0].block = dmz_start_block(zmd, zmd->sb[0].zone);
|
zmd->sb[0].block = dmz_start_block(zmd, zmd->sb[0].zone);
|
||||||
|
zmd->sb[0].dev = dmz_zone_to_dev(zmd, zmd->sb[0].zone);
|
||||||
ret = dmz_get_sb(zmd, 0);
|
ret = dmz_get_sb(zmd, 0);
|
||||||
if (ret) {
|
if (ret) {
|
||||||
dmz_dev_err(zmd->dev, "Read primary super block failed");
|
dmz_dev_err(zmd->sb[0].dev, "Read primary super block failed");
|
||||||
return ret;
|
return ret;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1057,12 +1075,13 @@ static int dmz_load_sb(struct dmz_metadata *zmd)
|
||||||
if (!zmd->sb[1].zone)
|
if (!zmd->sb[1].zone)
|
||||||
zmd->sb[1].zone = zmd->sb[0].zone + zmd->nr_meta_zones;
|
zmd->sb[1].zone = zmd->sb[0].zone + zmd->nr_meta_zones;
|
||||||
zmd->sb[1].block = dmz_start_block(zmd, zmd->sb[1].zone);
|
zmd->sb[1].block = dmz_start_block(zmd, zmd->sb[1].zone);
|
||||||
|
zmd->sb[1].dev = dmz_zone_to_dev(zmd, zmd->sb[1].zone);
|
||||||
ret = dmz_get_sb(zmd, 1);
|
ret = dmz_get_sb(zmd, 1);
|
||||||
} else
|
} else
|
||||||
ret = dmz_lookup_secondary_sb(zmd);
|
ret = dmz_lookup_secondary_sb(zmd);
|
||||||
|
|
||||||
if (ret) {
|
if (ret) {
|
||||||
dmz_dev_err(zmd->dev, "Read secondary super block failed");
|
dmz_dev_err(zmd->sb[1].dev, "Read secondary super block failed");
|
||||||
return ret;
|
return ret;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1078,17 +1097,25 @@ static int dmz_load_sb(struct dmz_metadata *zmd)
|
||||||
|
|
||||||
if (sb_good[0])
|
if (sb_good[0])
|
||||||
sb_gen[0] = le64_to_cpu(zmd->sb[0].sb->gen);
|
sb_gen[0] = le64_to_cpu(zmd->sb[0].sb->gen);
|
||||||
else
|
else {
|
||||||
ret = dmz_recover_mblocks(zmd, 0);
|
ret = dmz_recover_mblocks(zmd, 0);
|
||||||
|
if (ret) {
|
||||||
|
dmz_dev_err(zmd->sb[0].dev,
|
||||||
|
"Recovery of superblock 0 failed");
|
||||||
|
return -EIO;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
if (sb_good[1])
|
if (sb_good[1])
|
||||||
sb_gen[1] = le64_to_cpu(zmd->sb[1].sb->gen);
|
sb_gen[1] = le64_to_cpu(zmd->sb[1].sb->gen);
|
||||||
else
|
else {
|
||||||
ret = dmz_recover_mblocks(zmd, 1);
|
ret = dmz_recover_mblocks(zmd, 1);
|
||||||
|
|
||||||
if (ret) {
|
if (ret) {
|
||||||
dmz_dev_err(zmd->dev, "Recovery failed");
|
dmz_dev_err(zmd->sb[1].dev,
|
||||||
return -EIO;
|
"Recovery of superblock 1 failed");
|
||||||
|
return -EIO;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
if (sb_gen[0] >= sb_gen[1]) {
|
if (sb_gen[0] >= sb_gen[1]) {
|
||||||
|
@ -1099,7 +1126,8 @@ static int dmz_load_sb(struct dmz_metadata *zmd)
|
||||||
zmd->mblk_primary = 1;
|
zmd->mblk_primary = 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
dmz_dev_debug(zmd->dev, "Using super block %u (gen %llu)",
|
dmz_dev_debug(zmd->sb[zmd->mblk_primary].dev,
|
||||||
|
"Using super block %u (gen %llu)",
|
||||||
zmd->mblk_primary, zmd->sb_gen);
|
zmd->mblk_primary, zmd->sb_gen);
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
|
|
Loading…
Reference in a new issue