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nvme: move nvme_error_status to common code

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And mark it inline so that we don't slow down the completion path by
having to turn it into a forced out of line call.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig 2015-10-16 07:58:39 +02:00 committed by Jens Axboe
parent d4f6c3aba5
commit 15a190f7f5
2 changed files with 12 additions and 12 deletions
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12
drivers/nvme/host/nvme.h
View File

@ -85,6 +85,18 @@ static inline u64 nvme_block_nr(struct nvme_ns *ns, sector_t sector)
return (sector >> (ns->lba_shift - 9));
}
static inline int nvme_error_status(u16 status)
{
switch (status & 0x7ff) {
case NVME_SC_SUCCESS:
return 0;
case NVME_SC_CAP_EXCEEDED:
return -ENOSPC;
default:
return -EIO;
}
}
int nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,
void *buf, unsigned bufflen);
int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,

12
drivers/nvme/host/pci.c
View File

@ -547,18 +547,6 @@ static void nvme_free_iod(struct nvme_dev *dev, struct nvme_iod *iod)
kfree(iod);
}
static int nvme_error_status(u16 status)
{
switch (status & 0x7ff) {
case NVME_SC_SUCCESS:
return 0;
case NVME_SC_CAP_EXCEEDED:
return -ENOSPC;
default:
return -EIO;
}
}
#ifdef CONFIG_BLK_DEV_INTEGRITY
static void nvme_dif_prep(u32 p, u32 v, struct t10_pi_tuple *pi)
{