On Thu, Mar 25, 2021 at 03:14:33PM +0800, Qu Wenruo wrote: > Add extra sysfs interface features/supported_ro_sectorsize and > features/supported_rw_sectorsize to indicate subpage support. > > Currently for supported_rw_sectorsize all architectures only have their > PAGE_SIZE listed. > > While for supported_ro_sectorsize, for systems with 64K page size, 4K > sectorsize is also supported. > > This new sysfs interface would help mkfs.btrfs to do more accurate > warning.
I've reworded the changelog to reflect the code status, ie. just one file and that the read-only support could do more than it's advertised in the sysfs file and that this will change.
