x86, defconfig: replace ext3 with ext4
PATCH 1/1 x86, defconfig: replace ext3 with ext4
Replace ext3 with ext4, because now it is a de facto standard file system. And set CONFIG_EXT4_USE_FOR_EXT23=y to use it also for mounting ext2/ext3.
--- arch/x86/configs/i386_defconfig | 9 +++++---- arch/x86/configs/x86_64_defconfig | 9 +++++---- 2 files changed, 10 insertions(+), 8 deletions(-)
arch/x86/configs/i386_defconfig +5 -4
@@ -269,10 +269,11 @@ CONFIG_RTC_CLASS=y CONFIG_DMADEVICES=y CONFIG_EEEPC_LAPTOP=y CONFIG_EFI_VARS=y -CONFIG_EXT3_FS=y -# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set -CONFIG_EXT3_FS_POSIX_ACL=y -CONFIG_EXT3_FS_SECURITY=y +CONFIG_EXT4_FS=y +CONFIG_EXT4_USE_FOR_EXT23=y +CONFIG_EXT4_FS_XATTR=y +CONFIG_EXT4_FS_POSIX_ACL=y +CONFIG_EXT4_FS_SECURITY=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set
arch/x86/configs/x86_64_defconfig +5 -4
@@ -270,10 +270,11 @@ CONFIG_RTC_CLASS=y CONFIG_DMADEVICES=y CONFIG_EEEPC_LAPTOP=y CONFIG_EFI_VARS=y -CONFIG_EXT3_FS=y -# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set -CONFIG_EXT3_FS_POSIX_ACL=y -CONFIG_EXT3_FS_SECURITY=y +CONFIG_EXT4_FS=y +CONFIG_EXT4_USE_FOR_EXT23=y +CONFIG_EXT4_FS_XATTR=y +CONFIG_EXT4_FS_POSIX_ACL=y +CONFIG_EXT4_FS_SECURITY=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set
Quoted 2 lines · Konstantin Khlebnikov
Replace ext3 with ext4, because now it is a de facto standard file system. And set
CONFIG_EXT4_USE_FOR_EXT23=yto use it also for mounting ext2/ext3.
I'm sorry but I think it's too early for CONFIG_EXT4_USE_FOR_EXT23 part.
Although ext4 can handle ext3 and is stable, I believe there hasn't been enough testing of ext4 code used as ext3 replacement. Some of the code paths used for handling of ext3 are different from those used for ext4 and there could be bugs lurking. Also ext4 has some slight differences in performance and behavior in corner cases to ext3 which can potentially screw users. I'm not saying these differences are showstoppers but we should at least (try to) identify them before exposing users to them.
Actually, I want to speak to some people about this this week at LSF to get some concensus on what exactly needs to be done so that we can replace ext[23] with ext4.
Honza
Quoted 47 lines
Signed-off-by Konstantin Khlebnikov <[email protected]>--- arch/x86/configs/i386_defconfig | 9 +++++---- arch/x86/configs/x86_64_defconfig | 9 +++++---- 2 files changed, 10 insertions(+), 8 deletions(-)arch/x86/configs/i386_defconfig +5
-4@@ -269,10 +269,11 @@ CONFIG_RTC_CLASS=y CONFIG_DMADEVICES=y CONFIG_EEEPC_LAPTOP=y CONFIG_EFI_VARS=y -CONFIG_EXT3_FS=y -# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set -CONFIG_EXT3_FS_POSIX_ACL=y -CONFIG_EXT3_FS_SECURITY=y +CONFIG_EXT4_FS=y +CONFIG_EXT4_USE_FOR_EXT23=y +CONFIG_EXT4_FS_XATTR=y +CONFIG_EXT4_FS_POSIX_ACL=y +CONFIG_EXT4_FS_SECURITY=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not setarch/x86/configs/x86_64_defconfig +5
-4@@ -270,10 +270,11 @@ CONFIG_RTC_CLASS=y CONFIG_DMADEVICES=y CONFIG_EEEPC_LAPTOP=y CONFIG_EFI_VARS=y -CONFIG_EXT3_FS=y -# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set -CONFIG_EXT3_FS_POSIX_ACL=y -CONFIG_EXT3_FS_SECURITY=y +CONFIG_EXT4_FS=y +CONFIG_EXT4_USE_FOR_EXT23=y +CONFIG_EXT4_FS_XATTR=y +CONFIG_EXT4_FS_POSIX_ACL=y +CONFIG_EXT4_FS_SECURITY=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set
Signature · 2 lines
Jan Kara <[email protected]> SUSE Labs, CR
Quoted 4 lines · Jan Kara
Quoted 2 lines · Konstantin Khlebnikov
Replace ext3 with ext4, because now it is a de facto standard file system. And set
CONFIG_EXT4_USE_FOR_EXT23=yto use it also for mounting ext2/ext3.I'm sorry but I think it's too early for
CONFIG_EXT4_USE_FOR_EXT23part.
I considered the date of the email and then just ignored it. ;)