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Documentation: ublk: Separate UBLK_F_AUTO_BUF_REG fallback behavior sublists

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JIRA: https://issues.redhat.com/browse/RHEL-106845

commit db3dfae1a2f662e69d535827703bcdbb04b8d72b
Author: Bagas Sanjaya <bagasdotme@gmail.com>
Date:   Fri Jun 13 09:38:57 2025 +0700

    Documentation: ublk: Separate UBLK_F_AUTO_BUF_REG fallback behavior sublists

    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@canb.auug.org.au>
    Closes: https://lore.kernel.org/linux-next/20250612132638.193de386@canb.auug.org.au/
    Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
    Link: https://lore.kernel.org/r/20250613023857.15971-1-bagasdotme@gmail.com
    Signed-off-by: Jens Axboe <axboe@kernel.dk>

Signed-off-by: Ming Lei <ming.lei@redhat.com>
This commit is contained in:
Ming Lei
2025-08-26 12:17:25 +08:00
parent 5bb71cd12b
commit 8e3f9e1459
1 changed files with 2 additions and 0 deletions
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Documentation/block/ublk.rst
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@@ -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