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| author | Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> | 2020-11-09 16:33:44 -0800 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-12-01 20:36:35 +0100 |
| commit | 47e9730c26a4a5d4eab2124d6bbeb94693e44b46 (patch) | |
| tree | 0003d7d371377c7c15887c570202b03350b1cc80 /drivers/nvme/target/nvmet.h | |
| parent | a2f6a2b8ce43db608357a490e028166f9e4bab0d (diff) | |
| download | lwn-47e9730c26a4a5d4eab2124d6bbeb94693e44b46.tar.gz lwn-47e9730c26a4a5d4eab2124d6bbeb94693e44b46.zip | |
nvmet: add passthru io timeout value attr
NVMeOF controller in the passsthru mode is capable of handling wide set
of I/O commands including vender specific passhtru io comands.
The vendor specific I/O commands are used to read the large drive
logs and can take longer than default NVMe commands, i.e. for
passthru requests the timeout value may differ from the passthru
controller's default timeout values (nvme-core:io_timeout).
Add a configfs attribute so that user can set the io timeout values.
In case if this configfs value is not set nvme_alloc_request() will set
the NVME_IO_TIMEOUT value when request queuedata is NULL.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/target/nvmet.h')
| -rw-r--r-- | drivers/nvme/target/nvmet.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index a0c80e5179a2..2f9635273629 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -250,6 +250,7 @@ struct nvmet_subsys { char *passthru_ctrl_path; struct config_group passthru_group; unsigned int admin_timeout; + unsigned int io_timeout; #endif /* CONFIG_NVME_TARGET_PASSTHRU */ }; |