mirror of https://gitee.com/openkylin/linux.git
[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>
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@ -151,11 +151,9 @@ struct request {
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void *elevator_private;
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void *completion_data;
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unsigned short ioprio;
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int rq_status; /* should split this into a few status bits */
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struct gendisk *rq_disk;
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int errors;
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struct gendisk *rq_disk;
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unsigned long start_time;
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/* Number of scatter-gather DMA addr+len pairs after
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@ -170,8 +168,9 @@ struct request {
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*/
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unsigned short nr_hw_segments;
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unsigned short ioprio;
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int tag;
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char *buffer;
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int ref_count;
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request_queue_t *q;
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@ -179,6 +178,7 @@ struct request {
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struct completion *waiting;
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void *special;
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char *buffer;
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/*
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* when request is used as a packet command carrier
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@ -187,9 +187,8 @@ struct request {
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unsigned char cmd[BLK_MAX_CDB];
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unsigned int data_len;
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void *data;
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unsigned int sense_len;
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void *data;
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void *sense;
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unsigned int timeout;
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