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io_uring/zcrx: increment fallback loop src offset 

Don't forget to adjust the source offset in io_copy_page(), otherwise
it'll be copying into the same location in some cases for highmem
setups.

Fixes: e67645bb7f ("io_uring/zcrx: prepare fallback for larger pages")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2025-10-08 13:39:01 +01:00 committed by Jens Axboe
parent 09cfd3c52e
commit e9a9dcb4cc
1 changed files with 1 additions and 0 deletions
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io_uring/zcrx.c
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@ -1079,6 +1079,7 @@ static ssize_t io_copy_page(struct io_copy_cache *cc, struct page *src_page,
cc->size -= n; cc->size -= n;
cc->offset += n; cc->offset += n;
src_offset += n;
len -= n; len -= n;
copied += n; copied += n;
} }