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authorDongli Zhang <dongli.zhang@oracle.com>2020-02-24 10:39:11 -0800
committerJens Axboe <axboe@kernel.dk>2020-02-25 09:43:29 -0700
commit93d7c3185893b185e7f4347f8986b9b521254a6e (patch)
tree59f7e168de1660cd5070c54bb099f1dc0ee274e8
parentc780e86dd48ef6467a1146cf7d0fe1e05a635039 (diff)
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null_blk: remove unused fields in 'nullb_cmd'
'list', 'll_list' and 'csd' are no longer used. The 'list' is not used since it was introduced by commit f2298c0403b0 ("null_blk: multi queue aware block test driver"). The 'll_list' is no longer used since commit 3c395a969acc ("null_blk: set a separate timer for each command"). The 'csd' is no longer used since commit ce2c350b2cfe ("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>
-rw-r--r--drivers/block/null_blk.h3
-rw-r--r--drivers/block/null_blk_main.c2
2 files changed, 0 insertions, 5 deletions
diff --git a/drivers/block/null_blk.h b/drivers/block/null_blk.h
index bc837862b767..62b660821dbc 100644
--- a/drivers/block/null_blk.h
+++ b/drivers/block/null_blk.h
@@ -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;
diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c
index 16510795e377..133060431dbd 100644
--- a/drivers/block/null_blk_main.c
+++ b/drivers/block/null_blk_main.c
@@ -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;
}