diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/bio.h | 2 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 5 | ||||
| -rw-r--r-- | include/linux/fs.h | 3 |
3 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index 1fdfc5621c83..33c3947d61e9 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -188,8 +188,8 @@ struct bio { #define bio_failfast(bio) ((bio)->bi_rw & (1 << BIO_RW_FAILFAST)) #define bio_rw_ahead(bio) ((bio)->bi_rw & (1 << BIO_RW_AHEAD)) #define bio_rw_meta(bio) ((bio)->bi_rw & (1 << BIO_RW_META)) -#define bio_empty_barrier(bio) (bio_barrier(bio) && !bio_has_data(bio)) #define bio_discard(bio) ((bio)->bi_rw & (1 << BIO_RW_DISCARD)) +#define bio_empty_barrier(bio) (bio_barrier(bio) && !bio_has_data(bio) && !bio_discard(bio)) static inline unsigned int bio_cur_sectors(struct bio *bio) { diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 727886d25c4e..e9eb35c9bf26 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -541,7 +541,7 @@ enum { #define blk_noretry_request(rq) ((rq)->cmd_flags & REQ_FAILFAST) #define blk_rq_started(rq) ((rq)->cmd_flags & REQ_STARTED) -#define blk_account_rq(rq) (blk_rq_started(rq) && blk_fs_request(rq)) +#define blk_account_rq(rq) (blk_rq_started(rq) && (blk_fs_request(rq) || blk_discard_rq(rq))) #define blk_pm_suspend_request(rq) ((rq)->cmd_type == REQ_TYPE_PM_SUSPEND) #define blk_pm_resume_request(rq) ((rq)->cmd_type == REQ_TYPE_PM_RESUME) @@ -598,7 +598,8 @@ static inline void blk_clear_queue_full(struct request_queue *q, int rw) #define RQ_NOMERGE_FLAGS \ (REQ_NOMERGE | REQ_STARTED | REQ_HARDBARRIER | REQ_SOFTBARRIER) #define rq_mergeable(rq) \ - (!((rq)->cmd_flags & RQ_NOMERGE_FLAGS) && blk_fs_request((rq))) + (!((rq)->cmd_flags & RQ_NOMERGE_FLAGS) && \ + (blk_discard_rq(rq) || blk_fs_request((rq)))) /* * q->prep_rq_fn return values diff --git a/include/linux/fs.h b/include/linux/fs.h index 88358ca6af25..860689f541b1 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -87,7 +87,8 @@ extern int dir_notify_enable; #define WRITE_SYNC (WRITE | (1 << BIO_RW_SYNC)) #define SWRITE_SYNC (SWRITE | (1 << BIO_RW_SYNC)) #define WRITE_BARRIER (WRITE | (1 << BIO_RW_BARRIER)) -#define WRITE_DISCARD (WRITE | (1 << BIO_RW_DISCARD)) +#define DISCARD_NOBARRIER (1 << BIO_RW_DISCARD) +#define DISCARD_BARRIER ((1 << BIO_RW_DISCARD) | (1 << BIO_RW_BARRIER)) #define SEL_IN 1 #define SEL_OUT 2 |