blk: Ensure users for current->bio_list can see the full list.
Commit 79bd9959 ("blk: improve order of bio handling in generic_make_request()") changed current->bio_list so that it did not contain *all* of the queued bios, but only those submitted by the currently running make_request_fn. There are two places which walk the list and requeue selected bios, and others that check if the list is empty. These are no longer correct. So redefine current->bio_list to point to an array of two lists, which contain all queued bios, and adjust various code to test or walk both lists. Signed-off-by: NNeilBrown <neilb@suse.com> Fixes: 79bd9959 ("blk: improve order of bio handling in generic_make_request()") Signed-off-by: NJens Axboe <axboe@fb.com>
Showing
想要评论请 注册 或 登录