ext4 fs end io callback(mpage_end_io)
mpage_end_io+0x0/0x1c8 bio_endio+0x1cc/0x22c blk_update_request+0x1e8/0x484 mmc_blk_mq_complete_rq+0x28/0xb0 mmc_blk_mq_complete+0x34/0x40 blk_done_softirq+0x88/0xf8 _stext+0x128/0x49c __irq_exit_rcu.llvm.4269462963019267821+0x70/0xf8 handle_domain_irq+0x9c/0x118 gic_handle_irq+0x50/0x10c call_on_irq_stack+0x3c/0x54
ext4 jbd end io callback(journal_end_buffer_io_sync, buffer_head flow, end_bio_bh_io_sync)
journal_end_buffer_io_sync+0x0/0xd4 end_bio_bh_io_sync+0x50/0xcc bio_endio+0x1cc/0x22c dm_io_dec_pending+0x1f4/0x304 clone_endio+0xb4/0x1cc bio_endio+0x1cc/0x22c blk_update_request+0x1e8/0x484 mmc_blk_mq_complete_rq+0x28/0xb0 mmc_blk_mq_complete+0x34/0x40 blk_done_softirq+0x88/0xf8 _stext+0x128/0x49c
标签：bio,end,io,irq,sync,callback,blk From： https://www.cnblogs.com/aspirs/p/17512443.html