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null_blk: remove unused fields in 'nullb_cmd'

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'list', 'll_list' and 'csd' are no longer used.

The 'list' is not used since it was introduced by commit f2298c0403
("null_blk: multi queue aware block test driver").

The 'll_list' is no longer used since commit 3c395a969a ("null_blk: set a
separate timer for each command").

The 'csd' is no longer used since commit ce2c350b2c ("null_blk: use
blk_complete_request and blk_mq_complete_request").

Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Dongli Zhang 2020-02-24 10:39:11 -08:00 committed by Jens Axboe
parent c780e86dd4
commit 93d7c31858
2 changed files with 0 additions and 5 deletions
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3
drivers/block/null_blk.h
View File

@ -14,9 +14,6 @@
#include <linux/fault-inject.h>
struct nullb_cmd {
struct list_head list;
struct llist_node ll_list;
struct __call_single_data csd;
struct request *rq;
struct bio *bio;
unsigned int tag;

2
drivers/block/null_blk_main.c
View File

@ -1518,8 +1518,6 @@ static int setup_commands(struct nullb_queue *nq)
for (i = 0; i < nq->queue_depth; i++) {
cmd = &nq->cmds[i];
INIT_LIST_HEAD(&cmd->list);
cmd->ll_list.next = NULL;
cmd->tag = -1U;
}