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-rw-r--r--scripts/lib/wic/partition.py13
1 files changed, 12 insertions, 1 deletions
diff --git a/scripts/lib/wic/partition.py b/scripts/lib/wic/partition.py
index ac4c836bdb..b191cdee54 100644
--- a/scripts/lib/wic/partition.py
+++ b/scripts/lib/wic/partition.py
@@ -28,7 +28,7 @@ import os
import tempfile
from wic.utils.oe.misc import msger, parse_sourceparams
-from wic.utils.oe.misc import exec_cmd, exec_native_cmd
+from wic.utils.oe.misc import exec_cmd, exec_native_cmd, get_bitbake_var
from wic.plugin import pluginmgr
partition_methods = {
@@ -194,6 +194,17 @@ class Partition():
msger.error("File system for partition %s not specified in kickstart, " \
"use --fstype option" % (self.mountpoint))
+ # Get rootfs size from bitbake variable if it's not set in .ks file
+ if not self.size:
+ # Bitbake variable ROOTFS_SIZE is calculated in
+ # Image._get_rootfs_size method from meta/lib/oe/image.py
+ # using IMAGE_ROOTFS_SIZE, IMAGE_ROOTFS_ALIGNMENT,
+ # IMAGE_OVERHEAD_FACTOR and IMAGE_ROOTFS_EXTRA_SPACE
+ rsize_bb = get_bitbake_var('ROOTFS_SIZE')
+ if rsize_bb:
+ msger.warning('overhead-factor was specified, but size was not, so bitbake variables will be used for the size. In this case both IMAGE_OVERHEAD_FACTOR and --overhead-factor will be applied')
+ self.size = int(round(float(rsize_bb)))
+
for prefix in ("ext", "btrfs", "vfat", "squashfs"):
if self.fstype.startswith(prefix):
method = getattr(self, "prepare_rootfs_" + prefix)