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| author | Jens Axboe <axboe@suse.de> | 2006-06-13 09:02:34 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@nelson.home.kernel.dk> | 2006-06-23 17:10:39 +0200 |
| commit | 8f34ee75decb80007ba77bba5a7384eadff4866d (patch) | |
| tree | 63d6d4a613d0c7d2269e2dec01975d58b1e97a31 /include/linux/blkdev.h | |
| parent | ad3caddaa1708e506f20b8e25a4a8ae586fc7d5b (diff) | |
| download | lwn-8f34ee75decb80007ba77bba5a7384eadff4866d.tar.gz lwn-8f34ee75decb80007ba77bba5a7384eadff4866d.zip | |
[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>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 371c0ce5f630..aafe82788b4e 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -151,11 +151,9 @@ struct request { void *elevator_private; void *completion_data; - unsigned short ioprio; - int rq_status; /* should split this into a few status bits */ - struct gendisk *rq_disk; int errors; + struct gendisk *rq_disk; unsigned long start_time; /* Number of scatter-gather DMA addr+len pairs after @@ -170,8 +168,9 @@ struct request { */ unsigned short nr_hw_segments; + unsigned short ioprio; + int tag; - char *buffer; int ref_count; request_queue_t *q; @@ -179,6 +178,7 @@ struct request { struct completion *waiting; void *special; + char *buffer; /* * when request is used as a packet command carrier @@ -187,9 +187,8 @@ struct request { unsigned char cmd[BLK_MAX_CDB]; unsigned int data_len; - void *data; - unsigned int sense_len; + void *data; void *sense; unsigned int timeout; |