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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2019-06-20 08:49:02 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2019-06-21 11:15:50 +0200 |
| commit | a3646451edd52ba238cbe4f618aaf6eb9bf9d60c (patch) | |
| tree | be62e299f7f760e27819a07a06ecd447e4977441 /drivers/nvme/host/nvme.h | |
| parent | a5448fdc469d67da99728a132229aba5fce8f67a (diff) | |
| download | linux-a3646451edd52ba238cbe4f618aaf6eb9bf9d60c.tar.gz linux-a3646451edd52ba238cbe4f618aaf6eb9bf9d60c.tar.bz2 linux-a3646451edd52ba238cbe4f618aaf6eb9bf9d60c.zip | |
nvme: prepare for fault injection into admin commands
Currenlty fault injection support for nvme only enables to inject errors
into the commands submitted to I/O queues.
In preparation for fault injection into the admin commands, this makes
the helper functions independent of struct nvme_ns.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 038b8931d9e5..8f907576efb6 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -146,6 +146,15 @@ enum nvme_ctrl_state { NVME_CTRL_DEAD, }; +struct nvme_fault_inject { +#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS + struct fault_attr attr; + struct dentry *parent; + bool dont_retry; /* DNR, do not retry */ + u16 status; /* status code */ +#endif +}; + struct nvme_ctrl { bool comp_seen; enum nvme_ctrl_state state; @@ -313,15 +322,6 @@ struct nvme_ns_head { #endif }; -#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS -struct nvme_fault_inject { - struct fault_attr attr; - struct dentry *parent; - bool dont_retry; /* DNR, do not retry */ - u16 status; /* status code */ -}; -#endif - struct nvme_ns { struct list_head list; @@ -349,9 +349,7 @@ struct nvme_ns { #define NVME_NS_ANA_PENDING 2 u16 noiob; -#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS struct nvme_fault_inject fault_inject; -#endif }; @@ -372,12 +370,18 @@ struct nvme_ctrl_ops { }; #ifdef CONFIG_FAULT_INJECTION_DEBUG_FS -void nvme_fault_inject_init(struct nvme_ns *ns); -void nvme_fault_inject_fini(struct nvme_ns *ns); +void nvme_fault_inject_init(struct nvme_fault_inject *fault_inj, + const char *dev_name); +void nvme_fault_inject_fini(struct nvme_fault_inject *fault_inject); void nvme_should_fail(struct request *req); #else -static inline void nvme_fault_inject_init(struct nvme_ns *ns) {} -static inline void nvme_fault_inject_fini(struct nvme_ns *ns) {} +static inline void nvme_fault_inject_init(struct nvme_fault_inject *fault_inj, + const char *dev_name) +{ +} +static inline void nvme_fault_inject_fini(struct nvme_fault_inject *fault_inj) +{ +} static inline void nvme_should_fail(struct request *req) {} #endif |