diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/blkdev.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 195db38fda16..31867de88213 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -333,6 +333,10 @@ typedef unsigned int __bitwise blk_features_t; #define BLK_FEAT_RAID_PARTIAL_STRIPES_EXPENSIVE \ ((__force blk_features_t)(1u << 15)) +/* stacked device can/does support atomic writes */ +#define BLK_FEAT_ATOMIC_WRITES_STACKED \ + ((__force blk_features_t)(1u << 16)) + /* * Flags automatically inherited when stacking limits. */ |