[PATCH] Documentation: ublk: Separate UBLK_F_AUTO_BUF_REG fallback behavior sublists
From: Bagas Sanjaya
Date: Thu Jun 12 2025 - 22:39:37 EST
Stephen Rothwell reports htmldocs warning on ublk docs:
Documentation/block/ublk.rst:414: ERROR: Unexpected indentation. [docutils]
Fix the warning by separating sublists of auto buffer registration
fallback behavior from their appropriate parent list item.
Fixes: ff20c516485e ("ublk: document auto buffer registration(UBLK_F_AUTO_BUF_REG)")
Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Closes: https://lore.kernel.org/linux-next/20250612132638.193de386@xxxxxxxxxxxxxxxx/
Signed-off-by: Bagas Sanjaya <bagasdotme@xxxxxxxxx>
---
Documentation/block/ublk.rst | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/block/ublk.rst b/Documentation/block/ublk.rst
index abec524a04edfd..8c4030bcabb634 100644
--- a/Documentation/block/ublk.rst
+++ b/Documentation/block/ublk.rst
@@ -408,6 +408,7 @@ Fallback Behavior
If auto buffer registration fails:
1. When ``UBLK_AUTO_BUF_REG_FALLBACK`` is enabled:
+
- The uring_cmd is completed
- ``UBLK_IO_F_NEED_REG_BUF`` is set in ``ublksrv_io_desc.op_flags``
- The ublk server must manually deal with the failure, such as, register
@@ -415,6 +416,7 @@ If auto buffer registration fails:
for handling ublk IO
2. If fallback is not enabled:
+
- The ublk I/O request fails silently
- The uring_cmd won't be completed
base-commit: c73e4b8bde5f2defecef6a3df792971f83841bd8
--
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