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| author | Mike Snitzer <snitzer@redhat.com> | 2015-04-23 15:06:27 -0400 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2015-05-29 14:18:59 -0400 |
| commit | 49f154c7327139c275c9392b5fd69cad82f106bc (patch) | |
| tree | aaab9fc27b1d91ccb31ba148e0cd5fe8bd942ef1 /drivers/md/dm-thin-metadata.c | |
| parent | f8ae75253e4174089ffe3046715c679183f1919f (diff) | |
| download | linux-49f154c7327139c275c9392b5fd69cad82f106bc.tar.bz2 | |
dm thin metadata: remove in-core 'read_only' flag
Leverage the block manager's read_only flag instead of duplicating it;
access with new dm_bm_is_read_only() method.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-thin-metadata.c')
| -rw-r--r-- | drivers/md/dm-thin-metadata.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 79f694120ddf..cb6dd055053d 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -184,7 +184,6 @@ struct dm_pool_metadata { uint64_t trans_id; unsigned long flags; sector_t data_block_size; - bool read_only:1; /* * Set if a transaction has to be aborted but the attempt to roll back @@ -836,7 +835,6 @@ struct dm_pool_metadata *dm_pool_metadata_open(struct block_device *bdev, init_rwsem(&pmd->root_lock); pmd->time = 0; INIT_LIST_HEAD(&pmd->thin_devices); - pmd->read_only = false; pmd->fail_io = false; pmd->bdev = bdev; pmd->data_block_size = data_block_size; @@ -880,7 +878,7 @@ int dm_pool_metadata_close(struct dm_pool_metadata *pmd) return -EBUSY; } - if (!pmd->read_only && !pmd->fail_io) { + if (!dm_bm_is_read_only(pmd->bm) && !pmd->fail_io) { r = __commit_transaction(pmd); if (r < 0) DMWARN("%s: __commit_transaction() failed, error = %d", @@ -1739,7 +1737,6 @@ int dm_pool_resize_metadata_dev(struct dm_pool_metadata *pmd, dm_block_t new_cou void dm_pool_metadata_read_only(struct dm_pool_metadata *pmd) { down_write(&pmd->root_lock); - pmd->read_only = true; dm_bm_set_read_only(pmd->bm); up_write(&pmd->root_lock); } @@ -1747,7 +1744,6 @@ void dm_pool_metadata_read_only(struct dm_pool_metadata *pmd) void dm_pool_metadata_read_write(struct dm_pool_metadata *pmd) { down_write(&pmd->root_lock); - pmd->read_only = false; dm_bm_set_read_write(pmd->bm); up_write(&pmd->root_lock); } |