diff options
Diffstat (limited to 'include/linux/bio.h')
| -rw-r--r-- | include/linux/bio.h | 25 |
1 files changed, 7 insertions, 18 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index 4f8fd0221cd..5be93f18d84 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -177,29 +177,18 @@ enum bio_rw_flags { BIO_RW_NOIDLE, }; +/* + * First four bits must match between bio->bi_rw and rq->cmd_flags, make + * that explicit here. + */ +#define BIO_RW_RQ_MASK 0xf + static inline bool bio_rw_flagged(struct bio *bio, enum bio_rw_flags flag) { return (bio->bi_rw & (1 << flag)) != 0; } /* - * Old defines, these should eventually be replaced by direct usage of - * bio_rw_flagged() - */ -#define bio_barrier(bio) bio_rw_flagged(bio, BIO_RW_BARRIER) -#define bio_sync(bio) bio_rw_flagged(bio, BIO_RW_SYNCIO) -#define bio_unplug(bio) bio_rw_flagged(bio, BIO_RW_UNPLUG) -#define bio_failfast_dev(bio) bio_rw_flagged(bio, BIO_RW_FAILFAST_DEV) -#define bio_failfast_transport(bio) \ - bio_rw_flagged(bio, BIO_RW_FAILFAST_TRANSPORT) -#define bio_failfast_driver(bio) \ - bio_rw_flagged(bio, BIO_RW_FAILFAST_DRIVER) -#define bio_rw_ahead(bio) bio_rw_flagged(bio, BIO_RW_AHEAD) -#define bio_rw_meta(bio) bio_rw_flagged(bio, BIO_RW_META) -#define bio_discard(bio) bio_rw_flagged(bio, BIO_RW_DISCARD) -#define bio_noidle(bio) bio_rw_flagged(bio, BIO_RW_NOIDLE) - -/* * upper 16 bits of bi_rw define the io priority of this bio */ #define BIO_PRIO_SHIFT (8 * sizeof(unsigned long) - IOPRIO_BITS) @@ -222,7 +211,7 @@ static inline bool bio_rw_flagged(struct bio *bio, enum bio_rw_flags flag) #define bio_offset(bio) bio_iovec((bio))->bv_offset #define bio_segments(bio) ((bio)->bi_vcnt - (bio)->bi_idx) #define bio_sectors(bio) ((bio)->bi_size >> 9) -#define bio_empty_barrier(bio) (bio_barrier(bio) && !bio_has_data(bio) && !bio_discard(bio)) +#define bio_empty_barrier(bio) (bio_rw_flagged(bio, BIO_RW_BARRIER) && !bio_has_data(bio) && !bio_rw_flagged(bio, BIO_RW_DISCARD)) static inline unsigned int bio_cur_bytes(struct bio *bio) { |