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authorDarrick J. Wong <djwong@kernel.org>2025-08-27 09:30:58 -0700
committerDarrick J. Wong <djwong@kernel.org>2025-09-05 08:48:23 -0700
commitf69260511c69888bdec048153d0d475d4c8b0b3e (patch)
tree7afac5723e6f0f2a8d4fb2365359bb76f65bb15f
parent07c34f8cef69cb8eeef69c18d6cf0c04fbee3cb3 (diff)
xfs: disable deprecated features by default in Kconfig
We promised to turn off these old features by default in September 2025. Do so now. Signed-off-by: "Darrick J. Wong" <djwong@kernel.org> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
-rw-r--r--Documentation/admin-guide/xfs.rst5
-rw-r--r--fs/xfs/Kconfig8
2 files changed, 6 insertions, 7 deletions
diff --git a/Documentation/admin-guide/xfs.rst b/Documentation/admin-guide/xfs.rst
index a18328a5fb93..693b09ca6292 100644
--- a/Documentation/admin-guide/xfs.rst
+++ b/Documentation/admin-guide/xfs.rst
@@ -253,9 +253,8 @@ latest version and try again.
The deprecation will take place in two parts. Support for mounting V4
filesystems can now be disabled at kernel build time via Kconfig option.
-The option will default to yes until September 2025, at which time it
-will be changed to default to no. In September 2030, support will be
-removed from the codebase entirely.
+These options were changed to default to no in September 2025. In
+September 2030, support will be removed from the codebase entirely.
Note: Distributors may choose to withdraw V4 format support earlier than
the dates listed above.
diff --git a/fs/xfs/Kconfig b/fs/xfs/Kconfig
index 065953475cf5..ecebd3ebab13 100644
--- a/fs/xfs/Kconfig
+++ b/fs/xfs/Kconfig
@@ -25,7 +25,7 @@ config XFS_FS
config XFS_SUPPORT_V4
bool "Support deprecated V4 (crc=0) format"
depends on XFS_FS
- default y
+ default n
help
The V4 filesystem format lacks certain features that are supported
by the V5 format, such as metadata checksumming, strengthened
@@ -40,7 +40,7 @@ config XFS_SUPPORT_V4
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
+ This option became 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.
@@ -50,7 +50,7 @@ config XFS_SUPPORT_V4
config XFS_SUPPORT_ASCII_CI
bool "Support deprecated case-insensitive ascii (ascii-ci=1) format"
depends on XFS_FS
- default y
+ default n
help
The ASCII case insensitivity filesystem feature only works correctly
on systems that have been coerced into using ISO 8859-1, and it does
@@ -67,7 +67,7 @@ config XFS_SUPPORT_ASCII_CI
filesystem is a case-insensitive 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
+ This option became default N in September 2025. Support for the
feature will be removed entirely in September 2030. Distributors
can say N here to withdraw support earlier.