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ext4: Remove CONFIG_EXT4_FS_XATTR

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Ted has sent out a RFC about removing this feature. Eric and Jan
confirmed that both RedHat and SUSE enable this feature in all their
product.  David also said that "As far as I know, it's enabled in all
Android kernels that use ext4."  So it seems OK for us.

And what's more, as inline data depends its implementation on xattr,
and to be frank, I don't run any test again inline data enabled while
xattr disabled.  So I think we should add inline data and remove this
config option in the same release.

[ The savings if you disable CONFIG_EXT4_FS_XATTR is only 27k, which
  isn't much in the grand scheme of things.  Since no one seems to be
  testing this configuration except for some automated compile farms, on
  balance we are better removing this config option, and so that it is
  effectively always enabled. -- tytso ]

Cc: David Brown <[email protected]>
Cc: Eric Sandeen <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Signed-off-by: Tao Ma <[email protected]>
Signed-off-by: "Theodore Ts'o" <[email protected]>
This commit is contained in:
Tao Ma 2012-12-10 16:30:43 -05:00 • committed by Theodore Ts'o
commit 939da10844
10 changed files with 7 additions and 281 deletions
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4
fs/Kconfig
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@ -28,8 +28,8 @@ config FS_MBCACHE
tristate
default y if EXT2_FS=y && EXT2_FS_XATTR
default y if EXT3_FS=y && EXT3_FS_XATTR
default y if EXT4_FS=y && EXT4_FS_XATTR
default m if EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR
default y if EXT4_FS=y
default m if EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS
source "fs/reiserfs/Kconfig"
source "fs/jfs/Kconfig"