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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-06-05 19:25:12 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-06-05 19:25:12 +0300 |
| commit | b2c9a83d262a8feb022e24e9f9aadb66cb10a7a8 (patch) | |
| tree | 6f3ded2dbdfd308e04bd781bc33bdb8af3a45558 /drivers/nvme/host/fc.c | |
| parent | 2981436374177f78539b026ce5bcbab8c251818e (diff) | |
| parent | aa2a4ded05058f134a4dee1424f829d662e00cda (diff) | |
| download | linux-b2c9a83d262a8feb022e24e9f9aadb66cb10a7a8.tar.xz | |
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull more SCSI updates from James Bottomley:
"Mostly small bug fixes plus other trivial updates.
The major change of note is moving ufs out of scsi and a minor update
to lpfc vmid handling"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (24 commits)
scsi: qla2xxx: Remove unused 'ql_dm_tgt_ex_pct' parameter
scsi: qla2xxx: Remove setting of 'req' and 'rsp' parameters
scsi: mpi3mr: Fix kernel-doc
scsi: lpfc: Add support for ATTO Fibre Channel devices
scsi: core: Return BLK_STS_TRANSPORT for ALUA transitioning
scsi: sd_zbc: Prevent zone information memory leak
scsi: sd: Fix potential NULL pointer dereference
scsi: mpi3mr: Rework mrioc->bsg_device model to fix warnings
scsi: myrb: Fix up null pointer access on myrb_cleanup()
scsi: core: Unexport scsi_bus_type
scsi: sd: Don't call blk_cleanup_disk() in sd_probe()
scsi: ufs: ufshcd: Delete unnecessary NULL check
scsi: isci: Fix typo in comment
scsi: pmcraid: Fix typo in comment
scsi: smartpqi: Fix typo in comment
scsi: qedf: Fix typo in comment
scsi: esas2r: Fix typo in comment
scsi: storvsc: Fix typo in comment
scsi: ufs: Split the drivers/scsi/ufs directory
scsi: qla1280: Remove redundant variable
...
Diffstat (limited to 'drivers/nvme/host/fc.c')
| -rw-r--r-- | drivers/nvme/host/fc.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 7ae72c7a211b..3c778bb0c294 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -1899,6 +1899,24 @@ nvme_fc_ctrl_ioerr_work(struct work_struct *work) nvme_fc_error_recovery(ctrl, "transport detected io error"); } +/* + * nvme_fc_io_getuuid - Routine called to get the appid field + * associated with request by the lldd + * @req:IO request from nvme fc to driver + * Returns: UUID if there is an appid associated with VM or + * NULL if the user/libvirt has not set the appid to VM + */ +char *nvme_fc_io_getuuid(struct nvmefc_fcp_req *req) +{ + struct nvme_fc_fcp_op *op = fcp_req_to_fcp_op(req); + struct request *rq = op->rq; + + if (!IS_ENABLED(CONFIG_BLK_CGROUP_FC_APPID) || !rq->bio) + return NULL; + return blkcg_get_fc_appid(rq->bio); +} +EXPORT_SYMBOL_GPL(nvme_fc_io_getuuid); + static void nvme_fc_fcpio_done(struct nvmefc_fcp_req *req) { |