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2a06145228
As discussed [1], hold rcu for copying data from/to page is too heavy, it's better to protect page with rcu around for page lookup and then grab a reference to prevent page to be freed by discard. [1] https://lore.kernel.org/all/eb41cab3-5946-4fe3-a1be-843dd6fca159@kernel.dk/ Signed-off-by: Yu Kuai <yukuai3@huawei.com> Link: https://lore.kernel.org/r/20250811065628.1829339-1-yukuai1@huaweicloud.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
444 lines
9.9 KiB
444 lines
9.9 KiB