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authorChristopher Larson <chris_larson@mentor.com>2016-12-15 12:42:39 -0700
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-12-17 09:56:45 +0000
commit1d50e11286722c4114c1ae0bc285f846cd85fc4c (patch)
tree3a5a53b6c44aad27abd0010b1b94d1e58402dd6a /scripts/cleanup-workdir
parent8111316e0988b8d5a777a5ebda6ed59218d1f3b4 (diff)
downloadopenembedded-core-contrib-1d50e11286722c4114c1ae0bc285f846cd85fc4c.tar.gz
wic: obey the rootfs size from the metadata
When no --size is specified for the rootfs in the .wks, we want to obey the rootfs size from the metadata, otherwise the defined IMAGE_ROOTFS_EXTRA_SPACE and IMAGE_OVERHEAD_FACTOR will not be obeyed. In some cases, this can result in image construction failure, if the size determined by du was insufficient to hold the files without the aforementioned extra space. This fallback from --size to ROOTFS_SIZE was already implemented when --rootfs-dir is specified in the .wks, but it did not occur otherwise, neither when --rootfs-dir= was passed to `wic create` nor when IMAGE_ROOTFS was used. This made a certain amount of sense, as this fallback logic happened at such a level that it wasn't able to identify which partitions were rootfs partitions otherwise. Rather than doing it at that level, we can do it in prepare_rootfs(), which is run by the rootfs source plugins. Note that IMAGE_OVERHEAD_FACTOR and a --overhead-factor in the .wks will now both be applied when --size isn't specified in the .wks. A warning is added about this, though a user won't see it unless wic fails or they examine the do_image_wic log. Fixes [YOCTO #10815] Signed-off-by: Christopher Larson <chris_larson@mentor.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
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