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nvme: introduce nvme_is_fabrics to check fabrics cmd

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This patch introduces a nvme_is_fabrics() inline function to check
whether or not the given command structure is for fabrics.

Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Minwoo Im 2019-06-06 14:30:14 +09:00 • committed by Christoph Hellwig
parent 1a87ee657c
commit 7a1f46e3f7
5 changed files with 10 additions and 5 deletions
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7
include/linux/nvme.h
View file

@ -1165,6 +1165,11 @@ struct nvme_command {
};
};
static inline bool nvme_is_fabrics(struct nvme_command *cmd)
{
return cmd->common.opcode == nvme_fabrics_command;
}
struct nvme_error_slot {
__le64 error_count;
__le16 sqid;
@ -1186,7 +1191,7 @@ static inline bool nvme_is_write(struct nvme_command *cmd)
*
* Why can't we simply have a Fabrics In and Fabrics out command?
*/
if (unlikely(cmd->common.opcode == nvme_fabrics_command))
if (unlikely(nvme_is_fabrics(cmd)))
return cmd->fabrics.fctype & 1;
return cmd->common.opcode & 1;
}