summaryrefslogtreecommitdiffstats
path: root/scripts/lib/wic/partition.py
diff options
context:
space:
mode:
Diffstat (limited to 'scripts/lib/wic/partition.py')
-rw-r--r--scripts/lib/wic/partition.py38
1 files changed, 38 insertions, 0 deletions
diff --git a/scripts/lib/wic/partition.py b/scripts/lib/wic/partition.py
index e574f40c47..85f9847047 100644
--- a/scripts/lib/wic/partition.py
+++ b/scripts/lib/wic/partition.py
@@ -298,6 +298,8 @@ class Partition():
mkfs_cmd = "fsck.%s -pvfD %s" % (self.fstype, rootfs)
exec_native_cmd(mkfs_cmd, native_sysroot, pseudo=pseudo)
+ self.check_for_Y2038_problem(rootfs, native_sysroot)
+
def prepare_rootfs_btrfs(self, rootfs, cr_workdir, oe_builddir, rootfs_dir,
native_sysroot, pseudo):
"""
@@ -388,6 +390,8 @@ class Partition():
(self.fstype, extraopts, label_str, self.fsuuid, rootfs)
exec_native_cmd(mkfs_cmd, native_sysroot)
+ self.check_for_Y2038_problem(rootfs, native_sysroot)
+
def prepare_empty_partition_btrfs(self, rootfs, oe_builddir,
native_sysroot):
"""
@@ -449,3 +453,37 @@ class Partition():
mkswap_cmd = "mkswap %s -U %s %s" % (label_str, self.fsuuid, path)
exec_native_cmd(mkswap_cmd, native_sysroot)
+
+ def check_for_Y2038_problem(self, rootfs, native_sysroot):
+ """
+ Check if the filesystem is affected by the Y2038 problem
+ (Y2038 problem = 32 bit time_t overflow in January 2038)
+ """
+ def get_err_str(part):
+ err = "The {} filesystem {} has no Y2038 support."
+ if part.mountpoint:
+ args = [part.fstype, "mounted at %s" % part.mountpoint]
+ elif part.label:
+ args = [part.fstype, "labeled '%s'" % part.label]
+ elif part.part_name:
+ args = [part.fstype, "in partition '%s'" % part.part_name]
+ else:
+ args = [part.fstype, "in partition %s" % part.num]
+ return err.format(*args)
+
+ # ext2 and ext3 are always affected by the Y2038 problem
+ if self.fstype in ["ext2", "ext3"]:
+ logger.warn(get_err_str(self))
+ return
+
+ ret, out = exec_native_cmd("dumpe2fs %s" % rootfs, native_sysroot)
+
+ # if ext4 is affected by the Y2038 problem depends on the inode size
+ for line in out.splitlines():
+ if line.startswith("Inode size:"):
+ size = int(line.split(":")[1].strip())
+ if size < 256:
+ logger.warn("%s Inodes (of size %d) are too small." %
+ (get_err_str(self), size))
+ break
+