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[PATCH] Rearrange a few struct request members 

This saves 8 bytes of data in 64-bit archs.

Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Jens Axboe 2006-06-13 09:02:34 +02:00 committed by Jens Axboe
parent ad3caddaa1
commit 8f34ee75de
1 changed files with 5 additions and 6 deletions
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11
include/linux/blkdev.h
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@ -151,11 +151,9 @@ struct request {
void *elevator_private; void *elevator_private;
void *completion_data; void *completion_data;
unsigned short ioprio;
int rq_status; /* should split this into a few status bits */ int rq_status; /* should split this into a few status bits */
struct gendisk *rq_disk;
int errors; int errors;
struct gendisk *rq_disk;
unsigned long start_time; unsigned long start_time;
/* Number of scatter-gather DMA addr+len pairs after /* Number of scatter-gather DMA addr+len pairs after
@ -170,8 +168,9 @@ struct request {
*/ */
unsigned short nr_hw_segments; unsigned short nr_hw_segments;
unsigned short ioprio;
int tag; int tag;
char *buffer;
int ref_count; int ref_count;
request_queue_t *q; request_queue_t *q;
@ -179,6 +178,7 @@ struct request {
struct completion *waiting; struct completion *waiting;
void *special; void *special;
char *buffer;
/* /*
* when request is used as a packet command carrier * when request is used as a packet command carrier
@ -187,9 +187,8 @@ struct request {
unsigned char cmd[BLK_MAX_CDB]; unsigned char cmd[BLK_MAX_CDB];
unsigned int data_len; unsigned int data_len;
void *data;
unsigned int sense_len; unsigned int sense_len;
void *data;
void *sense; void *sense;
unsigned int timeout; unsigned int timeout;