Re: [PATCH v6 1/3] bio: limit bio max size

Hi Changheun, Thank you for the patch! Yet something to improve: [auto build test ERROR on mkp-scsi/for-next] [also build test ERROR on scsi/for-next linus/master v5.12-rc7] [cannot apply to block/for-next next-20210409] [If your patch is applied to the wrong git tree, kindly drop us a note. And

Re: [PATCH v6 1/3] bio: limit bio max size

Hi Changheun, Thank you for the patch! Yet something to improve: [auto build test ERROR on mkp-scsi/for-next] [also build test ERROR on scsi/for-next linus/master v5.12-rc7] [cannot apply to block/for-next next-20210409] [If your patch is applied to the wrong git tree, kindly drop us a note. And

[PATCH v6 1/3] bio: limit bio max size

bio size can grow up to 4GB when muli-page bvec is enabled. but sometimes it would lead to inefficient behaviors. in case of large chunk direct I/O, - 32MB chunk read in user space - all pages for 32MB would be merged to a bio structure if the pages physical addresses are contiguous. it makes some