diff options
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r-- | include/linux/blkdev.h | 35 |
1 files changed, 6 insertions, 29 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index ebd22dbed861..6690e8bae7bb 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h | |||
@@ -158,7 +158,6 @@ enum rq_flag_bits { | |||
158 | struct request { | 158 | struct request { |
159 | struct list_head queuelist; | 159 | struct list_head queuelist; |
160 | struct call_single_data csd; | 160 | struct call_single_data csd; |
161 | int cpu; | ||
162 | 161 | ||
163 | struct request_queue *q; | 162 | struct request_queue *q; |
164 | 163 | ||
@@ -166,9 +165,11 @@ struct request { | |||
166 | enum rq_cmd_type_bits cmd_type; | 165 | enum rq_cmd_type_bits cmd_type; |
167 | unsigned long atomic_flags; | 166 | unsigned long atomic_flags; |
168 | 167 | ||
168 | int cpu; | ||
169 | |||
169 | /* the following two fields are internal, NEVER access directly */ | 170 | /* the following two fields are internal, NEVER access directly */ |
170 | sector_t __sector; /* sector cursor */ | ||
171 | unsigned int __data_len; /* total data len */ | 171 | unsigned int __data_len; /* total data len */ |
172 | sector_t __sector; /* sector cursor */ | ||
172 | 173 | ||
173 | struct bio *bio; | 174 | struct bio *bio; |
174 | struct bio *biotail; | 175 | struct bio *biotail; |
@@ -201,20 +202,20 @@ struct request { | |||
201 | 202 | ||
202 | unsigned short ioprio; | 203 | unsigned short ioprio; |
203 | 204 | ||
205 | int ref_count; | ||
206 | |||
204 | void *special; /* opaque pointer available for LLD use */ | 207 | void *special; /* opaque pointer available for LLD use */ |
205 | char *buffer; /* kaddr of the current segment if available */ | 208 | char *buffer; /* kaddr of the current segment if available */ |
206 | 209 | ||
207 | int tag; | 210 | int tag; |
208 | int errors; | 211 | int errors; |
209 | 212 | ||
210 | int ref_count; | ||
211 | |||
212 | /* | 213 | /* |
213 | * when request is used as a packet command carrier | 214 | * when request is used as a packet command carrier |
214 | */ | 215 | */ |
215 | unsigned short cmd_len; | ||
216 | unsigned char __cmd[BLK_MAX_CDB]; | 216 | unsigned char __cmd[BLK_MAX_CDB]; |
217 | unsigned char *cmd; | 217 | unsigned char *cmd; |
218 | unsigned short cmd_len; | ||
218 | 219 | ||
219 | unsigned int extra_len; /* length of alignment and padding */ | 220 | unsigned int extra_len; /* length of alignment and padding */ |
220 | unsigned int sense_len; | 221 | unsigned int sense_len; |
@@ -921,26 +922,7 @@ extern void blk_cleanup_queue(struct request_queue *); | |||
921 | extern void blk_queue_make_request(struct request_queue *, make_request_fn *); | 922 | extern void blk_queue_make_request(struct request_queue *, make_request_fn *); |
922 | extern void blk_queue_bounce_limit(struct request_queue *, u64); | 923 | extern void blk_queue_bounce_limit(struct request_queue *, u64); |
923 | extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int); | 924 | extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int); |
924 | |||
925 | /* Temporary compatibility wrapper */ | ||
926 | static inline void blk_queue_max_sectors(struct request_queue *q, unsigned int max) | ||
927 | { | ||
928 | blk_queue_max_hw_sectors(q, max); | ||
929 | } | ||
930 | |||
931 | extern void blk_queue_max_segments(struct request_queue *, unsigned short); | 925 | extern void blk_queue_max_segments(struct request_queue *, unsigned short); |
932 | |||
933 | static inline void blk_queue_max_phys_segments(struct request_queue *q, unsigned short max) | ||
934 | { | ||
935 | blk_queue_max_segments(q, max); | ||
936 | } | ||
937 | |||
938 | static inline void blk_queue_max_hw_segments(struct request_queue *q, unsigned short max) | ||
939 | { | ||
940 | blk_queue_max_segments(q, max); | ||
941 | } | ||
942 | |||
943 | |||
944 | extern void blk_queue_max_segment_size(struct request_queue *, unsigned int); | 926 | extern void blk_queue_max_segment_size(struct request_queue *, unsigned int); |
945 | extern void blk_queue_max_discard_sectors(struct request_queue *q, | 927 | extern void blk_queue_max_discard_sectors(struct request_queue *q, |
946 | unsigned int max_discard_sectors); | 928 | unsigned int max_discard_sectors); |
@@ -1030,11 +1012,6 @@ static inline int sb_issue_discard(struct super_block *sb, | |||
1030 | 1012 | ||
1031 | extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm); | 1013 | extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm); |
1032 | 1014 | ||
1033 | #define MAX_PHYS_SEGMENTS 128 | ||
1034 | #define MAX_HW_SEGMENTS 128 | ||
1035 | #define SAFE_MAX_SECTORS 255 | ||
1036 | #define MAX_SEGMENT_SIZE 65536 | ||
1037 | |||
1038 | enum blk_default_limits { | 1015 | enum blk_default_limits { |
1039 | BLK_MAX_SEGMENTS = 128, | 1016 | BLK_MAX_SEGMENTS = 128, |
1040 | BLK_SAFE_MAX_SECTORS = 255, | 1017 | BLK_SAFE_MAX_SECTORS = 255, |