diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/blk_types.h | 2 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 1 | ||||
| -rw-r--r-- | include/linux/fs.h | 7 |
3 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 6509574f9b95..d32400f5402b 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -161,6 +161,7 @@ enum rq_flag_bits { __REQ_INTEGRITY, /* I/O includes block integrity payload */ __REQ_FUA, /* forced unit access */ __REQ_FLUSH, /* request for cache flush */ + __REQ_POST_FLUSH_BARRIER,/* cache barrier after a data req */ __REQ_BARRIER, /* marks flush req as barrier */ /* bio only flags */ @@ -239,6 +240,7 @@ enum rq_flag_bits { #define REQ_ALLOCED (1ULL << __REQ_ALLOCED) #define REQ_COPY_USER (1ULL << __REQ_COPY_USER) #define REQ_FLUSH (1ULL << __REQ_FLUSH) +#define REQ_POST_FLUSH_BARRIER (1ULL << __REQ_POST_FLUSH_BARRIER) #define REQ_FLUSH_SEQ (1ULL << __REQ_FLUSH_SEQ) #define REQ_IO_STAT (1ULL << __REQ_IO_STAT) #define REQ_MIXED_MERGE (1ULL << __REQ_MIXED_MERGE) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index c70e3588a48c..0adfa9e76f64 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1118,6 +1118,7 @@ static inline struct request *blk_map_queue_find_tag(struct blk_queue_tag *bqt, #define BLKDEV_DISCARD_SECURE 0x01 /* secure discard */ extern int blkdev_issue_flush(struct block_device *, gfp_t, sector_t *); +extern int blkdev_issue_barrier(struct block_device *, gfp_t, sector_t *); extern int blkdev_issue_discard(struct block_device *bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, unsigned long flags); extern int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, diff --git a/include/linux/fs.h b/include/linux/fs.h index 3aa514254161..605454ccaa0e 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -202,8 +202,15 @@ typedef void (dax_iodone_t)(struct buffer_head *bh_map, int uptodate); #define WRITE_SYNC (WRITE | REQ_SYNC | REQ_NOIDLE) #define WRITE_ODIRECT (WRITE | REQ_SYNC) #define WRITE_FLUSH (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH) +#define WRITE_FLUSH_BARRIER (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | \ + REQ_BARRIER) #define WRITE_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FUA) #define WRITE_FLUSH_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA) +#define WRITE_POST_FLUSH_BARRIER (WRITE | REQ_SYNC | REQ_NOIDLE | \ + REQ_POST_FLUSH_BARRIER | REQ_BARRIER) +#define WRITE_ORDERED_FLUSH_BARRIER (WRITE | REQ_SYNC | REQ_NOIDLE | \ + REQ_FLUSH | REQ_POST_FLUSH_BARRIER | \ + REQ_BARRIER) /* * Attribute flags. These should be or-ed together to figure out what |