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

Kanchan Joshi
2024-04-25T18:47:08Z

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