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authorLinus Torvalds <torvalds@linux-foundation.org>2017-08-11 22:26:49 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-08-11 22:26:49 +0300
commite0d0e045b862da06f2a694696797b2c46ae8bc4f (patch)
tree896fcaa9b7f6102e234179a2b02197407a072008 /include
parent0993133bb8e7a75524748ffed52c62e81c42b3e8 (diff)
parent4a8b53be64045fe74398c178041463318f96d5e9 (diff)
downloadlinux-e0d0e045b862da06f2a694696797b2c46ae8bc4f.tar.xz
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe: "A set of fixes that should go into this series. This contains: - Fix from Bart for blk-mq requeue queue running, preventing a continued loop of run/restart. - Fix for a bio/blk-integrity issue, in two parts. One from Christoph, fixing where verification happens, and one from Milan, for a NULL profile. - NVMe pull request, most of the changes being for nvme-fc, but also a few trivial core/pci fixes" * 'for-linus' of git://git.kernel.dk/linux-block: nvme: fix directive command numd calculation nvme: fix nvme reset command timeout handling nvme-pci: fix CMB sysfs file removal in reset path lpfc: support nvmet_fc defer_rcv callback nvmet_fc: add defer_req callback for deferment of cmd buffer return nvme: strip trailing 0-bytes in wwid_show block: Make blk_mq_delay_kick_requeue_list() rerun the queue at a quiet time bio-integrity: only verify integrity on the lowest stacked driver bio-integrity: Fix regression if profile verify_fn is NULL
Diffstat (limited to 'include')
-rw-r--r--include/linux/nvme-fc-driver.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/nvme-fc-driver.h b/include/linux/nvme-fc-driver.h
index 6c8c5d8041b7..2591878c1d48 100644
--- a/include/linux/nvme-fc-driver.h
+++ b/include/linux/nvme-fc-driver.h
@@ -346,6 +346,11 @@ struct nvme_fc_remote_port {
* indicating an FC transport Aborted status.
* Entrypoint is Mandatory.
*
+ * @defer_rcv: Called by the transport to signal the LLLD that it has
+ * begun processing of a previously received NVME CMD IU. The LLDD
+ * is now free to re-use the rcv buffer associated with the
+ * nvmefc_tgt_fcp_req.
+ *
* @max_hw_queues: indicates the maximum number of hw queues the LLDD
* supports for cpu affinitization.
* Value is Mandatory. Must be at least 1.
@@ -846,6 +851,8 @@ struct nvmet_fc_target_template {
struct nvmefc_tgt_fcp_req *fcpreq);
void (*fcp_req_release)(struct nvmet_fc_target_port *tgtport,
struct nvmefc_tgt_fcp_req *fcpreq);
+ void (*defer_rcv)(struct nvmet_fc_target_port *tgtport,
+ struct nvmefc_tgt_fcp_req *fcpreq);
u32 max_hw_queues;
u16 max_sgl_segments;