diff options
Diffstat (limited to 'drivers/md/dm-cache-target.c')
| -rw-r--r-- | drivers/md/dm-cache-target.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 2fd4c8296144..0da5efaad85c 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -118,14 +118,12 @@ static void iot_io_end(struct io_tracker *iot, sector_t len) */ struct dm_hook_info { bio_end_io_t *bi_end_io; - void *bi_private; }; static void dm_hook_bio(struct dm_hook_info *h, struct bio *bio, bio_end_io_t *bi_end_io, void *bi_private) { h->bi_end_io = bio->bi_end_io; - h->bi_private = bio->bi_private; bio->bi_end_io = bi_end_io; bio->bi_private = bi_private; @@ -134,7 +132,6 @@ static void dm_hook_bio(struct dm_hook_info *h, struct bio *bio, static void dm_unhook_bio(struct dm_hook_info *h, struct bio *bio) { bio->bi_end_io = h->bi_end_io; - bio->bi_private = h->bi_private; } /*----------------------------------------------------------------*/ @@ -251,7 +248,7 @@ struct cache { /* * Fields for converting from sectors to blocks. */ - uint32_t sectors_per_block; + sector_t sectors_per_block; int sectors_per_block_shift; spinlock_t lock; @@ -987,9 +984,14 @@ static void notify_mode_switch(struct cache *cache, enum cache_metadata_mode mod static void set_cache_mode(struct cache *cache, enum cache_metadata_mode new_mode) { - bool needs_check = dm_cache_metadata_needs_check(cache->cmd); + bool needs_check; enum cache_metadata_mode old_mode = get_cache_mode(cache); + if (dm_cache_metadata_needs_check(cache->cmd, &needs_check)) { + DMERR("unable to read needs_check flag, setting failure mode"); + new_mode = CM_FAIL; + } + if (new_mode == CM_WRITE && needs_check) { DMERR("%s: unable to switch cache to write mode until repaired.", cache_device_name(cache)); @@ -3513,6 +3515,7 @@ static void cache_status(struct dm_target *ti, status_type_t type, char buf[BDEVNAME_SIZE]; struct cache *cache = ti->private; dm_cblock_t residency; + bool needs_check; switch (type) { case STATUSTYPE_INFO: @@ -3541,11 +3544,11 @@ static void cache_status(struct dm_target *ti, status_type_t type, residency = policy_residency(cache->policy); - DMEMIT("%u %llu/%llu %u %llu/%llu %u %u %u %u %u %u %lu ", + DMEMIT("%u %llu/%llu %llu %llu/%llu %u %u %u %u %u %u %lu ", (unsigned)DM_CACHE_METADATA_BLOCK_SIZE, (unsigned long long)(nr_blocks_metadata - nr_free_blocks_metadata), (unsigned long long)nr_blocks_metadata, - cache->sectors_per_block, + (unsigned long long)cache->sectors_per_block, (unsigned long long) from_cblock(residency), (unsigned long long) from_cblock(cache->cache_size), (unsigned) atomic_read(&cache->stats.read_hit), @@ -3586,7 +3589,9 @@ static void cache_status(struct dm_target *ti, status_type_t type, else DMEMIT("rw "); - if (dm_cache_metadata_needs_check(cache->cmd)) + r = dm_cache_metadata_needs_check(cache->cmd, &needs_check); + + if (r || needs_check) DMEMIT("needs_check "); else DMEMIT("- "); |