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Date: Mon, 14 Nov 2011 10:47:04 -0500
From: Theodore Ts'o <tytso@....edu>
To: Ext4 Developers List <linux-ext4@...r.kernel.org>
Cc: Theodore Ts'o <tytso@....edu>
Subject: [PATCH] Make quota support disabled by support
Quota support can be enabled using --enable-quota. There are still
some buglets that we need to fix up before it can be considered 100%
supported, so let's disable it for the 1.42 release.
Signed-off-by: "Theodore Ts'o" <tytso@....edu>
---
RELEASE-NOTES | 9 +++--
configure | 95 ++++++++-------------------------------------------
configure.in | 42 ++++++----------------
debian/rules | 2 +-
lib/config.h.in | 3 ++
lib/ext2fs/ext2fs.h | 10 +++++
misc/mke2fs.c | 5 ++-
7 files changed, 50 insertions(+), 116 deletions(-)
diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 7b36af9..afc738f 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -14,10 +14,6 @@ called 'bigalloc', which must be enabled when the file system is
initially formatted. It is not backwards compatible with older
kernels.
-This release of e2fsprogs has support for integrated feature, where
-the quota files are hidden system files that are automatically
-maintained by e2fsck.
-
Added support for the Multi-Mount Protection (MMP) feature.
Fix a bug in e2fsck where if the free blocks and inodes counts are
@@ -202,6 +198,11 @@ Updated/clarified man pages. (Addresses Debian Bugs: #639411,
Programming notes
-----------------
+Initial support for quota as an integrated feature, where the quota
+files are hidden system files that are automatically maintained by
+e2fsck is present, although disabled by default. It must be enabled
+by using the configure option --enable-quota.
+
Reserved the on-disk fields for the metadata checksum and snapshot
features, which are currently in development.
diff --git a/configure b/configure
index 6c8eb49..0e8d6fb 100755
--- a/configure
+++ b/configure
@@ -808,7 +808,7 @@ enable_blkid_debug
enable_testio_debug
enable_libuuid
enable_libblkid
-enable_libquota
+enable_quota
enable_debugfs
enable_imager
enable_resizer
@@ -1462,7 +1462,7 @@ Optional Features:
--disable-testio-debug disable the use of the test I/O manager for debugging
--disable-libuuid do not build private uuid library
--disable-libblkid do not build private blkid library
- --disable-libquota do not build private quota library
+ --enable-libquota enable quota support
--disable-debugfs disable support of debugfs program
--disable-imager disable support of e2image program
--disable-resizer disable support of e2resize program
@@ -5204,97 +5204,32 @@ $as_echo "no" >&6; }
fi
fi
-LIBQUOTA=
-DEPLIBQUOTA=
-STATIC_LIBQUOTA=
-DEPSTATIC_LIBQUOTA=
-PROFILED_LIBQUOTA=
-DEPPROFILED_LIBQUOTA=
-QUOTA_CMT=
-# Check whether --enable-libquota was given.
-if test "${enable_libquota+set}" = set; then :
- enableval=$enable_libquota; if test "$enableval" = "no"
-then
- if test -z "$PKG_CONFIG"; then
- as_fn_error "pkg-config not installed; please install it." "$LINENO" 5
- fi
- as_ac_Lib=`$as_echo "ac_cv_lib_quota_LIBQUOTA=\`$PKG_CONFIG --libs quota\`;
- STATIC_LIBQUOTA=\`$PKG_CONFIG --static --libs quota\`" | $as_tr_sh`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LIBQUOTA=\`$PKG_CONFIG --libs quota\`;
- STATIC_LIBQUOTA=\`$PKG_CONFIG --static --libs quota\` in -lquota" >&5
-$as_echo_n "checking for LIBQUOTA=\`$PKG_CONFIG --libs quota\`;
- STATIC_LIBQUOTA=\`$PKG_CONFIG --static --libs quota\` in -lquota... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
- $as_echo_n "(cached) " >&6
+# Check whether --enable-quota was given.
+if test "${enable_quota+set}" = set; then :
+ enableval=$enable_quota; if test "$enableval" = "no"
+then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: Disabling quota support" >&5
+$as_echo "Disabling quota support" >&6; }
else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-lquota $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ $as_echo "#define CONFIG_QUOTA 1" >>confdefs.h
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char LIBQUOTA=`$PKG_CONFIG --libs quota`;
- STATIC_LIBQUOTA=`$PKG_CONFIG --static --libs quota` ();
-int
-main ()
-{
-return LIBQUOTA=`$PKG_CONFIG --libs quota`;
- STATIC_LIBQUOTA=`$PKG_CONFIG --static --libs quota` ();
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- eval "$as_ac_Lib=yes"
-else
- eval "$as_ac_Lib=no"
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-eval ac_res=\$$as_ac_Lib
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
- if test "x$as_val" = x""yes; then :
- as_fn_error "external quota library not found" "$LINENO" 5
-else
- $LIBQUOTA
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: Enabling quota support" >&5
+$as_echo "Enabling quota support" >&6; }
fi
- QUOTA_CMT=#
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: Disabling private quota library" >&5
-$as_echo "Disabling private quota library" >&6; }
else
- LIBQUOTA='$(LIB)/libquota'$LIB_EXT
- DEPLIBQUOTA=$LIBQUOTA
- STATIC_LIBQUOTA='$(LIB)/libquota'$STATIC_LIB_EXT
- DEPSTATIC_LIBQUOTA=$STATIC_LIBQUOTA
- PROFILED_LIBQUOTA='$(LIB)/libquota'$PROFILED_LIB_EXT
- DEPPROFILED_LIBQUOTA=$PROFILED_LIBQUOTA
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: Enabling private quota library" >&5
-$as_echo "Enabling private quota library" >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: Disabling quota support by default" >&5
+$as_echo "Disabling quota support by default" >&6; }
+
fi
-else
- LIBQUOTA='$(LIB)/libquota'$LIB_EXT
+LIBQUOTA='$(LIB)/libquota'$LIB_EXT
DEPLIBQUOTA=$LIBQUOTA
STATIC_LIBQUOTA='$(LIB)/libquota'$STATIC_LIB_EXT
DEPSTATIC_LIBQUOTA=$STATIC_LIBQUOTA
PROFILED_LIBQUOTA='$(LIB)/libquota'$PROFILED_LIB_EXT
DEPPROFILED_LIBQUOTA=$PROFILED_LIBQUOTA
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Enabling private quota library by default" >&5
-$as_echo "Enabling private quota library by default" >&6; }
-
-fi
-
diff --git a/configure.in b/configure.in
index 0b609bb..2b81619 100644
--- a/configure.in
+++ b/configure.in
@@ -526,49 +526,31 @@ AC_SUBST(PROFILED_LIBBLKID)
AC_SUBST(DEPPROFILED_LIBBLKID)
AC_SUBST(BLKID_CMT)
dnl
-dnl handle --disable-libquota
+dnl handle --enable-quota
dnl
PKG_PROG_PKG_CONFIG
-LIBQUOTA=
-DEPLIBQUOTA=
-STATIC_LIBQUOTA=
-DEPSTATIC_LIBQUOTA=
-PROFILED_LIBQUOTA=
-DEPPROFILED_LIBQUOTA=
-QUOTA_CMT=
-AC_ARG_ENABLE([libquota],
-[ --disable-libquota do not build private quota library],
+AH_TEMPLATE([CONFIG_QUOTA], [Define to 1 to enable quota support])
+AC_ARG_ENABLE([quota],
+[ --enable-libquota enable quota support],
if test "$enableval" = "no"
then
- if test -z "$PKG_CONFIG"; then
- AC_MSG_ERROR([pkg-config not installed; please install it.])
- fi
-
- AC_CHECK_LIB(quota,
- [LIBQUOTA=`$PKG_CONFIG --libs quota`;
- STATIC_LIBQUOTA=`$PKG_CONFIG --static --libs quota`],
- [AC_MSG_ERROR([external quota library not found])],
- [$LIBQUOTA])
- QUOTA_CMT=#
- AC_MSG_RESULT([Disabling private quota library])
+ AC_MSG_RESULT([Disabling quota support])
else
- LIBQUOTA='$(LIB)/libquota'$LIB_EXT
- DEPLIBQUOTA=$LIBQUOTA
- STATIC_LIBQUOTA='$(LIB)/libquota'$STATIC_LIB_EXT
- DEPSTATIC_LIBQUOTA=$STATIC_LIBQUOTA
- PROFILED_LIBQUOTA='$(LIB)/libquota'$PROFILED_LIB_EXT
- DEPPROFILED_LIBQUOTA=$PROFILED_LIBQUOTA
- AC_MSG_RESULT([Enabling private quota library])
+ AC_DEFINE(CONFIG_QUOTA, 1)
+ AC_MSG_RESULT([Enabling quota support])
fi
,
+AC_MSG_RESULT([Disabling quota support by default])
+)
+dnl
+dnl Define stuff expected for quota library
+dnl
LIBQUOTA='$(LIB)/libquota'$LIB_EXT
DEPLIBQUOTA=$LIBQUOTA
STATIC_LIBQUOTA='$(LIB)/libquota'$STATIC_LIB_EXT
DEPSTATIC_LIBQUOTA=$STATIC_LIBQUOTA
PROFILED_LIBQUOTA='$(LIB)/libquota'$PROFILED_LIB_EXT
DEPPROFILED_LIBQUOTA=$PROFILED_LIBQUOTA
-AC_MSG_RESULT([Enabling private quota library by default])
-)
AC_SUBST(LIBQUOTA)
AC_SUBST(DEPLIBQUOTA)
AC_SUBST(STATIC_LIBQUOTA)
diff --git a/debian/rules b/debian/rules
index 2d8e4ea..c950cd7 100755
--- a/debian/rules
+++ b/debian/rules
@@ -129,7 +129,7 @@ endif
BF_CFLAGS = -Os -fomit-frame-pointer
COMMON_CONF_FLAGS = --disable-e2initrd-helper --enable-elf-shlibs \
- --infodir=/usr/share/info
+ --enable-quota --infodir=/usr/share/info
ifeq ($(UTIL_LINUX_NG),yes)
COMMON_CONF_FLAGS += --disable-fsck --disable-libblkid \
--disable-libuuid --disable-uuidd
diff --git a/lib/config.h.in b/lib/config.h.in
index a58745e..0e83634 100644
--- a/lib/config.h.in
+++ b/lib/config.h.in
@@ -12,6 +12,9 @@
/* Define to 1 if debugging ext3/4 journal code */
#undef CONFIG_JBD_DEBUG
+/* Define to 1 to enable quota support */
+#undef CONFIG_QUOTA
+
/* Define to 1 if the testio I/O manager should be enabled */
#undef CONFIG_TESTIO_DEBUG
diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
index 4de20c9..08f1946 100644
--- a/lib/ext2fs/ext2fs.h
+++ b/lib/ext2fs/ext2fs.h
@@ -577,6 +577,7 @@ typedef struct ext2_icount *ext2_icount_t;
EXT4_FEATURE_INCOMPAT_MMP|\
EXT4_FEATURE_INCOMPAT_64BIT)
#endif
+#ifdef CONFIG_QUOTA
#define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\
EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\
EXT2_FEATURE_RO_COMPAT_LARGE_FILE|\
@@ -585,6 +586,15 @@ typedef struct ext2_icount *ext2_icount_t;
EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\
EXT4_FEATURE_RO_COMPAT_BIGALLOC|\
EXT4_FEATURE_RO_COMPAT_QUOTA)
+#else
+#define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\
+ EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\
+ EXT2_FEATURE_RO_COMPAT_LARGE_FILE|\
+ EXT4_FEATURE_RO_COMPAT_DIR_NLINK|\
+ EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\
+ EXT4_FEATURE_RO_COMPAT_BIGALLOC)
+#endif
/*
* These features are only allowed if EXT2_FLAG_SOFTSUPP_FEATURES is passed
diff --git a/misc/mke2fs.c b/misc/mke2fs.c
index a07e866..ebd5f34 100644
--- a/misc/mke2fs.c
+++ b/misc/mke2fs.c
@@ -847,7 +847,10 @@ static __u32 ok_features[3] = {
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
EXT4_FEATURE_RO_COMPAT_BIGALLOC|
- EXT4_FEATURE_RO_COMPAT_QUOTA
+#ifdef CONFIG_QUOTA
+ EXT4_FEATURE_RO_COMPAT_QUOTA|
+#endif
+ 0
};
--
1.7.4.1.22.gec8e1.dirty
--
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