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758b86f7bc
blkdev.h gets included in various places outside the block layer just for struct blk_plug and related plugging functions. Split blk_plug into a separate helper to reduce the amount of code that needs to get rebuilt when blkdev.h changes and to slightly reduce compile times. In io_uring this requires pulling in a few other headers explicitly that previously were implicitly included through blkdev.h. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christian Brauner (Amutable) <brauner@kernel.org> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Link: https://patch.msgid.link/20260804125524.740996-1-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>