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authorLinus Torvalds <torvalds@linux-foundation.org>2022-06-05 19:25:12 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-06-05 19:25:12 +0300
commitb2c9a83d262a8feb022e24e9f9aadb66cb10a7a8 (patch)
tree6f3ded2dbdfd308e04bd781bc33bdb8af3a45558 /drivers/nvme
parent2981436374177f78539b026ce5bcbab8c251818e (diff)
parentaa2a4ded05058f134a4dee1424f829d662e00cda (diff)
downloadlinux-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')
-rw-r--r--drivers/nvme/host/fc.c18
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)
{