On 2014-09-09 21:21, Mathias Adam wrote: > Hi, > > just noticed that the pre-built image for Huawei E970 (brcm47xx-legacy, > openwrt-e970-squashfs-gz.bin) is too large for its 4MiB flash. > This is true for both BB-rc3 and trunk snapshots. > > Apparently Imagebuilder creates squashfs with 64kiB blocksize. However I > usually used 256kiB or even 1MiB on this device, which in my experience > saves some 100kiB. > > Up to now I mostly used trunk builds; now I was able to create working > images with ImageBuilder as well after manually changing .config. > > What is the recommended way to deal with this? > E.g. is it possible to set squashfs blocksize in a profile? It's not possible to set it in a profile. You can change it via make menuconfig, but keep in mind that increasing the block size will significantly increase RAM usage. That's the main reason why brcm47xx-legacy uses a smaller block size than other targets.
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