[PATCH 07/10] block: define meta io descriptor

[Kanchan Joshi <joshi.k@samsung.com>]

Introduces a new 'uio_meta' structure that upper layer (io_uring) can
use to pass the meta/integrity information. This is a prep patch.

Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
---
 include/linux/bio.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/bio.h b/include/linux/bio.h
index 20cf47fc851f..0281b356935a 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -331,6 +331,12 @@ enum bip_flags {
 	BIP_COPY_USER		= 1 << 6, /* Kernel bounce buffer in use */
 };
 
+struct uio_meta {
+	u16 flags;
+	u16 apptag;
+	struct iov_iter iter;
+};
+
 /*
  * bio integrity payload
  */
-- 
2.25.1