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authorIngo Molnar <mingo@kernel.org>2018-03-10 10:19:28 +0100
committerIngo Molnar <mingo@kernel.org>2018-03-10 10:19:28 +0100
commitd88f1f1fdb9f8f60602b406c89342e113a19df7f (patch)
tree16da02010b66f7f54fde737c5c54e43980789f79 /drivers/nvme/target/core.c
parent04860d48a8aba5b21ae5ba1f86b0d4e3bc628fff (diff)
parentcdb06e9d8f520c969676e7d6778cffe5894f079f (diff)
downloadlwn-d88f1f1fdb9f8f60602b406c89342e113a19df7f.tar.gz
lwn-d88f1f1fdb9f8f60602b406c89342e113a19df7f.zip
Merge branch 'linus' into locking/core, to pick up fixes and dependencies
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/nvme/target/core.c')
-rw-r--r--drivers/nvme/target/core.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 0bd737117a80..a78029e4e5f4 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -520,9 +520,12 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
goto fail;
}
- /* either variant of SGLs is fine, as we don't support metadata */
- if (unlikely((flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METABUF &&
- (flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METASEG)) {
+ /*
+ * For fabrics, PSDT field shall describe metadata pointer (MPTR) that
+ * contains an address of a single contiguous physical buffer that is
+ * byte aligned.
+ */
+ if (unlikely((flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METABUF)) {
status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
goto fail;
}