NVMe: Meta-data support in NVME_IOCTL_SUBMIT_IO
This adds support for namespaces with separate meta-data formats in the
submit io ioctl. The meta-data buffer has to be a contiguous, so such
a buffer is allocated and the mapped user pages are copied to/from this
buffer for write/read commands.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index af29b0e..971ef08 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -552,6 +552,7 @@
int ns_id;
int lba_shift;
+ int ms;
u64 mode_select_num_blocks;
u32 mode_select_block_len;
};