移去rt

hc

2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/fs/xfs/Kconfig
..
..
@@ -1,7 +1,7 @@
1
+# SPDX-License-Identifier: GPL-2.0-only
1
2
 config XFS_FS
2
3
 	tristate "XFS filesystem support"
3
4
 	depends on BLOCK
4
-	depends on (64BIT || LBDAF)
5
5
 	select EXPORTFS
6
6
 	select LIBCRC32C
7
7
 	select FS_IOMAP
..
..
@@ -22,6 +22,31 @@
22
22
 	  system of your root partition is compiled as a module, you'll need
23
23
 	  to use an initial ramdisk (initrd) to boot.
24
24
 
25
+config XFS_SUPPORT_V4
26
+	bool "Support deprecated V4 (crc=0) format"
27
+	depends on XFS_FS
28
+	default y
29
+	help
30
+	  The V4 filesystem format lacks certain features that are supported
31
+	  by the V5 format, such as metadata checksumming, strengthened
32
+	  metadata verification, and the ability to store timestamps past the
33
+	  year 2038.  Because of this, the V4 format is deprecated.  All users
34
+	  should upgrade by backing up their files, reformatting, and restoring
35
+	  from the backup.
36
+
37
+	  Administrators and users can detect a V4 filesystem by running
38
+	  xfs_info against a filesystem mountpoint and checking for a string
39
+	  beginning with "crc=".  If the string "crc=0" is found, the
40
+	  filesystem is a V4 filesystem.  If no such string is found, please
41
+	  upgrade xfsprogs to the latest version and try again.
42
+
43
+	  This option will become default N in September 2025.  Support for the
44
+	  V4 format will be removed entirely in September 2030.  Distributors
45
+	  can say N here to withdraw support earlier.
46
+
47
+	  To continue supporting the old V4 format (crc=0), say Y.
48
+	  To close off an attack surface, say N.
49
+
25
50
 config XFS_QUOTA
26
51
 	bool "XFS Quota support"
27
52
 	depends on XFS_FS