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io_uring: Fix comment of io_get_sqe 

The sqe_ptr argument has been gone since 709b302fad (io_uring:
simplify io_get_sqring, 2020-04-08), made the return value of the
function. Update the comment accordingly.

Signed-off-by: Fam Zheng <fam.zheng@bytedance.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/20210604164256.12242-1-fam.zheng@bytedance.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Fam Zheng 2021-06-04 17:42:56 +01:00 committed by Jens Axboe
parent 441b8a7803
commit dd9ae8a0b2
1 changed files with 1 additions and 1 deletions
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fs/io_uring.c
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@ -6673,7 +6673,7 @@ static void io_commit_sqring(struct io_ring_ctx *ctx)
} }
/* /*
* Fetch an sqe, if one is available. Note that sqe_ptr will point to memory * Fetch an sqe, if one is available. Note this returns a pointer to memory
* that is mapped by userspace. This means that care needs to be taken to * that is mapped by userspace. This means that care needs to be taken to
* ensure that reads are stable, as we cannot rely on userspace always * ensure that reads are stable, as we cannot rely on userspace always
* being a good citizen. If members of the sqe are validated and then later * being a good citizen. If members of the sqe are validated and then later