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| author |   Christoph Hellwig <hch@lst.de> | 2015-10-16 07:58:39 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2015-12-01 10:59:39 -0700 |
| commit | 15a190f7f57a2e46717490c35ac09882042a200b (patch) | |
| tree | 9456260512e109891f81a05dc6426ce03287fe82 /drivers/nvme/host/nvme.h | |
| parent | nvme: factor out a nvme_unmap_data helper (diff) | |
| download | linux-dev-15a190f7f57a2e46717490c35ac09882042a200b.tar.xz linux-dev-15a190f7f57a2e46717490c35ac09882042a200b.zip | |
nvme: move nvme_error_status to common code
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>
Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 19583e1125e6..9f771265487b 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -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, |