On 2016-11-22 17:57, David Lang wrote: > On Tue, 22 Nov 2016, Felix Fietkau wrote: > >> On 2016-11-22 17:48, David Lang wrote: >>> On Tue, 22 Nov 2016, Felix Fietkau wrote: >>> >>>> On 2016-11-22 17:43, David Lang wrote: >>>>> On Tue, 22 Nov 2016, Felix Fietkau wrote: >>>>> >>>>>>> On a 16M filesystem, we probably want to use a 1K block size and have >>>>>>> an inode >>>>>>> for every couple of blocks. >>>>>> I'd say on a 16M filesystem we probably want to use squashfs+ext4 >>>>>> instead of plain ext4 and avoid the inode issue altogether. >>>>> >>>>> I'm not sure I understand how this would work? >>>> Pad a plain squashfs image to the intended target size, include mke2fs >>>> and mkf2fs (for bigger sizes) in the image. >>>> fstools will take care of the rest at boot time. >>> >>> you still have to set the parameters for mkfs to use. >> It will be created as an empty overlay filesystem, so there's lots of >> free inodes available. > > but by default, it wouldn't have lots of free inodes, the default is one > inode > per 16K of filesystem, which is how we get to 1024 inodes on a 16M filesystem. > > We need to be able to say that this is a tiny filesystem, and should really > use > a smaller blocksize and more inodes. FWIW, I just pushed a commit to my staging tree that adds squashfs support for the uml target. I tested it and it's usable with 16M rootfs.
- Felix _______________________________________________ Lede-dev mailing list Lede-dev@lists.infradead.org http://lists.infradead.org/mailman/listinfo/lede-dev
