ublk: move auto buffer register handling into one dedicated helper

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Move check & clearing UBLK_IO_FLAG_AUTO_BUF_REG to
ublk_handle_auto_buf_reg(), also return buffer index from this helper.

Also move ublk_set_auto_buf_reg() to this single helper too.

Add ublk_config_io_buf() for setting up ublk io buffer, covers both
ublk buffer copy or auto buffer register.

Reviewed-by: Caleb Sander Mateos <csander@purestorage.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250713143415.2857561-7-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Ming Lei 2025-07-13 22:34:01 +08:00 • committed by Jens Axboe

parent 7ebdba87cf

commit 52460dda3a

1 changed files with 71 additions and 56 deletions

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drivers/block/ublk_drv.c

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