ublk: remove check IO_URING_F_SQE128 in ublk_ch_uring_cmd

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commit 9c7c4bc986 upstream.

sizeof(struct ublksrv_io_cmd) is 16bytes, which can be held in 64byte SQE,
so not necessary to check IO_URING_F_SQE128.

With this change, we get chance to save half SQ ring memory.

Fixed: 71f28f3136 ("ublk_drv: add io_uring based userspace block driver")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230220041413.1524335-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Ming Lei 2023-02-20 12:14:13 +08:00 • committed by Greg Kroah-Hartman

parent f016326d31

commit b7803afc77

1 changed files with 0 additions and 3 deletions

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drivers/block/ublk_drv.c

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