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+# CONFIG_XFS_SUPPORT_V4:
+#
+# The V4 filesystem format lacks certain features that are supported
+# by the V5 format, such as metadata checksumming, strengthened
+# metadata verification, and the ability to store timestamps past the
+# year 2038. Because of this, the V4 format is deprecated. All users
+# should upgrade by backing up their files, reformatting, and restoring
+# from the backup.
+#
+# Administrators and users can detect a V4 filesystem by running
+# xfs_info against a filesystem mountpoint and checking for a string
+# beginning with "crc=". If the string "crc=0" is found, the
+# filesystem is a V4 filesystem. If no such string is found, please
+# upgrade xfsprogs to the latest version and try again.
+#
+# This option will become default N in September 2025. Support for the
+# V4 format will be removed entirely in September 2030. Distributors
+# can say N here to withdraw support earlier.
+#
+# To continue supporting the old V4 format (crc=0), say Y.
+# To close off an attack surface, say N.
+#
+# Symbol: XFS_SUPPORT_V4 [=y]
+# Type : bool
+# Defined at fs/xfs/Kconfig:25
+# Prompt: Support deprecated V4 (crc=0) format
+# Depends on: BLOCK [=y] && XFS_FS [=m]
+# Location:
+# -> File systems
+# -> XFS filesystem support (XFS_FS [=m])
+#
+#
+#
+CONFIG_XFS_SUPPORT_V4=y