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io_uring: clean up io_prep_rw_setup()

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Remove unnecessary call to iov_iter_save_state() in io_prep_rw_setup()
as io_import_iovec() already does this. Then the result from
io_import_iovec() can be returned directly.

Signed-off-by: David Wei <dw@davidwei.uk>
Reviewed-by: Anuj Gupta <anuj20.g@samsung.com>
Tested-by: Li Zetao <lizetao1@huawei.com>
Link: https://lore.kernel.org/r/20241207004144.783631-1-dw@davidwei.uk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
David Wei 2024-12-06 16:41:44 -08:00 committed by Jens Axboe
parent 8131b436b4
commit 02a6a5eb59
1 changed files with 1 additions and 7 deletions
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8
io_uring/rw.c
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@ -240,7 +240,6 @@ static int io_rw_alloc_async(struct io_kiocb *req)
static int io_prep_rw_setup(struct io_kiocb *req, int ddir, bool do_import)
{
struct io_async_rw *rw;
int ret;
if (io_rw_alloc_async(req))
return -ENOMEM;
@ -249,12 +248,7 @@ static int io_prep_rw_setup(struct io_kiocb *req, int ddir, bool do_import)
return 0;
rw = req->async_data;
ret = io_import_iovec(ddir, req, rw, 0);
if (unlikely(ret < 0))
return ret;
iov_iter_save_state(&rw->iter, &rw->iter_state);
return 0;
return io_import_iovec(ddir, req, rw, 0);
}
static inline void io_meta_save_state(struct io_async_rw *io)