diff options
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 784a919aa0d0..9b98173a8184 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h | |||
| @@ -845,7 +845,6 @@ static inline struct request_queue *bdev_get_queue(struct block_device *bdev) | |||
| 845 | * blk_rq_err_bytes() : bytes left till the next error boundary | 845 | * blk_rq_err_bytes() : bytes left till the next error boundary |
| 846 | * blk_rq_sectors() : sectors left in the entire request | 846 | * blk_rq_sectors() : sectors left in the entire request |
| 847 | * blk_rq_cur_sectors() : sectors left in the current segment | 847 | * blk_rq_cur_sectors() : sectors left in the current segment |
| 848 | * blk_rq_err_sectors() : sectors left till the next error boundary | ||
| 849 | */ | 848 | */ |
| 850 | static inline sector_t blk_rq_pos(const struct request *rq) | 849 | static inline sector_t blk_rq_pos(const struct request *rq) |
| 851 | { | 850 | { |
| @@ -874,11 +873,6 @@ static inline unsigned int blk_rq_cur_sectors(const struct request *rq) | |||
| 874 | return blk_rq_cur_bytes(rq) >> 9; | 873 | return blk_rq_cur_bytes(rq) >> 9; |
| 875 | } | 874 | } |
| 876 | 875 | ||
| 877 | static inline unsigned int blk_rq_err_sectors(const struct request *rq) | ||
| 878 | { | ||
| 879 | return blk_rq_err_bytes(rq) >> 9; | ||
| 880 | } | ||
| 881 | |||
| 882 | /* | 876 | /* |
| 883 | * Request issue related functions. | 877 | * Request issue related functions. |
| 884 | */ | 878 | */ |
| @@ -1116,11 +1110,18 @@ static inline int queue_alignment_offset(struct request_queue *q) | |||
| 1116 | return q->limits.alignment_offset; | 1110 | return q->limits.alignment_offset; |
| 1117 | } | 1111 | } |
| 1118 | 1112 | ||
| 1113 | static inline int queue_limit_alignment_offset(struct queue_limits *lim, sector_t offset) | ||
| 1114 | { | ||
| 1115 | unsigned int granularity = max(lim->physical_block_size, lim->io_min); | ||
| 1116 | |||
| 1117 | offset &= granularity - 1; | ||
| 1118 | return (granularity + lim->alignment_offset - offset) & (granularity - 1); | ||
| 1119 | } | ||
| 1120 | |||
| 1119 | static inline int queue_sector_alignment_offset(struct request_queue *q, | 1121 | static inline int queue_sector_alignment_offset(struct request_queue *q, |
| 1120 | sector_t sector) | 1122 | sector_t sector) |
| 1121 | { | 1123 | { |
| 1122 | return ((sector << 9) - q->limits.alignment_offset) | 1124 | return queue_limit_alignment_offset(&q->limits, sector << 9); |
| 1123 | & (q->limits.io_min - 1); | ||
| 1124 | } | 1125 | } |
| 1125 | 1126 | ||
| 1126 | static inline int bdev_alignment_offset(struct block_device *bdev) | 1127 | static inline int bdev_alignment_offset(struct block_device *bdev) |
