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nvme: use define instead of magic value for identify size

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NVME_IDENTIFY_DATA_SIZE was added to linux/nvme.h by following commit.
  commit 0add5e8e58 ("nvmet: use NVME_IDENTIFY_DATA_SIZE")

Make it use NVME_IDENTIFY_DATA_SIZE define instead of magic value
0x1000 in case of identify data size.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Minwoo Im 2018-02-08 22:56:31 +09:00 committed by Jens Axboe
parent 7bfca0cfe6
commit 42595eb7d0
1 changed files with 3 additions and 2 deletions
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5
drivers/nvme/host/core.c
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@ -948,7 +948,8 @@ static int nvme_identify_ns_list(struct nvme_ctrl *dev, unsigned nsid, __le32 *n
c.identify.opcode = nvme_admin_identify;
c.identify.cns = NVME_ID_CNS_NS_ACTIVE_LIST;
c.identify.nsid = cpu_to_le32(nsid);
return nvme_submit_sync_cmd(dev->admin_q, &c, ns_list, 0x1000);
return nvme_submit_sync_cmd(dev->admin_q, &c, ns_list,
NVME_IDENTIFY_DATA_SIZE);
}
static struct nvme_id_ns *nvme_identify_ns(struct nvme_ctrl *ctrl,
@ -3109,7 +3110,7 @@ static int nvme_scan_ns_list(struct nvme_ctrl *ctrl, unsigned nn)
unsigned i, j, nsid, prev = 0, num_lists = DIV_ROUND_UP(nn, 1024);
int ret = 0;
ns_list = kzalloc(0x1000, GFP_KERNEL);
ns_list = kzalloc(NVME_IDENTIFY_DATA_SIZE, GFP_KERNEL);
if (!ns_list)
return -ENOMEM;