diff options
Diffstat (limited to 'drivers/md/dm-thin-metadata.c')
| -rw-r--r-- | drivers/md/dm-thin-metadata.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index acd89ec825d5..31f9827dfb56 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -80,6 +80,12 @@ #define THIN_METADATA_CACHE_SIZE 64 #define SECTOR_TO_BLOCK_SHIFT 3 +/* + * 3 for btree insert + + * 2 for btree lookup used within space map + */ +#define THIN_MAX_CONCURRENT_LOCKS 5 + /* This should be plenty */ #define SPACE_MAP_ROOT_SIZE 128 @@ -668,13 +674,9 @@ struct dm_pool_metadata *dm_pool_metadata_open(struct block_device *bdev, return ERR_PTR(-ENOMEM); } - /* - * Max hex locks: - * 3 for btree insert + - * 2 for btree lookup used within space map - */ bm = dm_block_manager_create(bdev, THIN_METADATA_BLOCK_SIZE, - THIN_METADATA_CACHE_SIZE, 5); + THIN_METADATA_CACHE_SIZE, + THIN_MAX_CONCURRENT_LOCKS); if (!bm) { DMERR("could not create block manager"); kfree(pmd); |