Merge commit 'refs/top-bases/linux-symbol-collisions' into linux-symbol-collisions

cmd/zdb/Makefile.am

@@ -2,6 +2,7 @@ include $(top_srcdir)/config/Rules.am
 
 DEFAULT_INCLUDES += \
 	-I${top_srcdir}/lib/libspl/include \
+	-I${top_srcdir}/lib/libefi/include \
 	-I${top_srcdir}/lib/libzpool/include \
 	-I${top_srcdir}/lib/libnvpair/include \
 	-I${top_srcdir}/lib/libzfs/include \
@@ -20,10 +21,11 @@ zdb_SOURCES = \
 zdb_LDADD = \
 	$(top_builddir)/lib/libspl/libspl.la \
 	$(top_builddir)/lib/libavl/libavl.la \
+	$(top_builddir)/lib/libefi/libefi.la \
 	$(top_builddir)/lib/libnvpair/libnvpair.la \
 	$(top_builddir)/lib/libunicode/libunicode.la \
 	$(top_builddir)/lib/libuutil/libuutil.la \
 	$(top_builddir)/lib/libzpool/libzpool.la \
 	$(top_builddir)/lib/libzfs/libzfs.la
 
-zdb_LDFLAGS = -pthread -lm -lz -lrt
+zdb_LDFLAGS = -pthread -lm $(ZLIB) -lrt $(LIBUUID)

cmd/zfs/Makefile.am

@@ -2,6 +2,7 @@ include $(top_srcdir)/config/Rules.am
 
 DEFAULT_INCLUDES += \
 	-I${top_srcdir}/lib/libspl/include \
+	-I${top_srcdir}/lib/libefi/include \
 	-I${top_srcdir}/lib/libuutil/include \
 	-I${top_srcdir}/lib/libzfs/include \
 	-I${top_srcdir}/lib/libnvpair/include \
@@ -21,10 +22,11 @@ zfs_SOURCES = \
 zfs_LDADD = \
 	$(top_builddir)/lib/libspl/libspl.la \
 	$(top_builddir)/lib/libavl/libavl.la \
+	$(top_builddir)/lib/libefi/libefi.la \
 	$(top_builddir)/lib/libnvpair/libnvpair.la \
 	$(top_builddir)/lib/libunicode/libunicode.la \
 	$(top_builddir)/lib/libuutil/libuutil.la \
 	$(top_builddir)/lib/libzpool/libzpool.la \
 	$(top_builddir)/lib/libzfs/libzfs.la
 
-zfs_LDFLAGS = -pthread -lm -lz -lrt
+zfs_LDFLAGS = -pthread -lm $(ZLIB) -lrt $(LIBUUID)

cmd/zinject/Makefile.am

@@ -2,6 +2,7 @@ include $(top_srcdir)/config/Rules.am
 
 DEFAULT_INCLUDES += \
 	-I${top_srcdir}/lib/libspl/include \
+	-I${top_srcdir}/lib/libefi/include \
 	-I${top_srcdir}/lib/libzpool/include \
 	-I${top_srcdir}/lib/libuutil/include \
 	-I${top_srcdir}/lib/libzfs/include \
@@ -23,10 +24,11 @@ zinject_SOURCES = \
 zinject_LDADD = \
 	$(top_builddir)/lib/libspl/libspl.la \
 	$(top_builddir)/lib/libavl/libavl.la \
+	$(top_builddir)/lib/libefi/libefi.la \
 	$(top_builddir)/lib/libnvpair/libnvpair.la \
 	$(top_builddir)/lib/libunicode/libunicode.la \
 	$(top_builddir)/lib/libuutil/libuutil.la \
 	$(top_builddir)/lib/libzpool/libzpool.la \
 	$(top_builddir)/lib/libzfs/libzfs.la
 
-zinject_LDFLAGS = -pthread -lm -lz -lrt
+zinject_LDFLAGS = -pthread -lm $(ZLIB) -lrt $(LIBUUID)

cmd/zpool/Makefile.am

@@ -30,4 +30,4 @@ zpool_LDADD = \
 	$(top_builddir)/lib/libzpool/libzpool.la \
 	$(top_builddir)/lib/libzfs/libzfs.la
 
-zpool_LDFLAGS = -pthread -lm -lz -lrt
+zpool_LDFLAGS = -pthread -lm $(ZLIB) -lrt $(LIBUUID)

cmd/ztest/Makefile.am

@@ -2,6 +2,7 @@ include $(top_srcdir)/config/Rules.am
 
 DEFAULT_INCLUDES += \
 	-I${top_srcdir}/lib/libspl/include \
+	-I${top_srcdir}/lib/libefi/include \
 	-I${top_srcdir}/lib/libzpool/include \
 	-I${top_srcdir}/lib/libuutil/include \
 	-I${top_srcdir}/lib/libzfs/include \
@@ -21,10 +22,11 @@ ztest_SOURCES = \
 ztest_LDADD = \
 	$(top_builddir)/lib/libspl/libspl.la \
 	$(top_builddir)/lib/libavl/libavl.la \
+	$(top_builddir)/lib/libefi/libefi.la \
 	$(top_builddir)/lib/libnvpair/libnvpair.la \
 	$(top_builddir)/lib/libunicode/libunicode.la \
 	$(top_builddir)/lib/libuutil/libuutil.la \
 	$(top_builddir)/lib/libzpool/libzpool.la \
 	$(top_builddir)/lib/libzfs/libzfs.la
 
-ztest_LDFLAGS = -pthread -lm -lz -lrt -ldl
+ztest_LDFLAGS = -pthread -lm $(ZLIB) -lrt -ldl $(LIBUUID)

config/user-libblkid.m4

@@ -0,0 +1,94 @@
+dnl #
+dnl # Check for ZFS support in libblkid.  This test needs to check
+dnl # more than if the library exists because we expect there are
+dnl # at least 3 flavors of the library out in the wild:
+dnl #
+dnl #   1) blkid which has no ZFS support
+dnl #   2) blkid with ZFS support and a flawed method of probing
+dnl #   3) blkid with ZFS support and a working method of probing
+dnl #
+dnl # To handle this the check first validates that there is a version
+dnl # of the library installed.  If there is it creates a simulated
+dnl # ZFS filesystem and then links a small test app which attempts
+dnl # to detect the simualated filesystem type.  If it correctly
+dnl # identifies the filesystem as ZFS we can safely assume case 3).
+dnl # Otherwise we disable blkid support and resort to manual probing.
+dnl #
+AC_DEFUN([ZFS_AC_CONFIG_USER_LIBBLKID], [
+	AC_ARG_WITH([blkid],
+		[AS_HELP_STRING([--with-blkid],
+		[support blkid caching @<:@default=check@:>@])],
+		[],
+		[with_blkid=check])
+
+	LIBBLKID=
+	AS_IF([test "x$with_blkid" != xno],
+	[
+		AC_CHECK_LIB([blkid], [blkid_get_cache],
+		[
+			AC_MSG_CHECKING([for blkid zfs support])
+
+			ZFS_DEV=`mktemp`
+			dd if=/dev/zero of=$ZFS_DEV bs=1024k count=8 \
+				>/dev/null 2>/dev/null
+			echo -en "\x0c\xb1\xba\0\0\0\0\0" | \
+				dd of=$ZFS_DEV bs=1k count=8 \
+				seek=132 conv=notrunc &>/dev/null \
+				>/dev/null 2>/dev/null
+
+			saved_LDFLAGS="$LDFLAGS"
+			LDFLAGS="-lblkid"
+
+			AC_RUN_IFELSE(AC_LANG_PROGRAM(
+			[
+				#include <stdio.h>
+				#include <blkid/blkid.h>
+			],
+			[
+				blkid_cache cache;
+				char *value;
+
+			        if (blkid_get_cache(&cache, NULL) < 0)
+					return 1;
+
+				value = blkid_get_tag_value(cache, "TYPE",
+				                            "$ZFS_DEV");
+				if (!value) {
+					blkid_put_cache(cache);
+					return 2;
+				}
+
+				if (strcmp(value, "zfs")) {
+					free(value);
+					blkid_put_cache(cache);
+					return 3;
+				}
+
+				free(value);
+				blkid_put_cache(cache);
+			]),
+			[
+				rm -f $ZFS_DEV
+				AC_MSG_RESULT([yes])
+				AC_SUBST([LIBBLKID], ["-lblkid"])
+				AC_DEFINE([HAVE_LIBBLKID], 1,
+					[Define if you have libblkid])
+			],
+			[
+				rm -f $ZFS_DEV
+				AC_MSG_RESULT([no])
+				AS_IF([test "x$with_blkid" != xcheck],
+					[AC_MSG_FAILURE(
+					[--with-blkid given but unavailable])])
+			])
+
+			LDFLAGS="$saved_LDFLAGS"
+		],
+		[
+			AS_IF([test "x$with_blkid" != xcheck],
+				[AC_MSG_FAILURE(
+				[--with-blkid given but unavailable])])
+		]
+		[])
+	])
+])

config/user-libuuid.m4

@@ -0,0 +1,18 @@
+dnl #
+dnl # Check for libuuid
+dnl #
+AC_DEFUN([ZFS_AC_CONFIG_USER_LIBUUID], [
+	LIBUUID=
+
+	AC_CHECK_HEADER([uuid/uuid.h], [], [AC_MSG_FAILURE([
+	*** uuid/uuid.h missing, e2fsprogs-devel package required])])
+
+	AC_CHECK_LIB([uuid], [uuid_generate], [], [AC_MSG_FAILURE([
+	*** uuid_generate() missing, e2fsprogs-devel package required])])
+
+	AC_CHECK_LIB([uuid], [uuid_is_null], [], [AC_MSG_FAILURE([
+	*** uuid_is_null() missing, e2fsprogs-devel package required])])
+
+	AC_SUBST([LIBUUID], ["-luuid"])
+	AC_DEFINE([HAVE_LIBUUID], 1, [Define if you have libuuid])
+])

config/user-zlib.m4

@@ -2,10 +2,17 @@ dnl #
 dnl # Check for zlib
 dnl #
 AC_DEFUN([ZFS_AC_CONFIG_USER_ZLIB], [
-	AC_CHECK_HEADER([zlib.h], [], [AC_MSG_ERROR([
+	ZLIB=
-		*** zlib.h missing, the zlib-devel package is required])])
+
-	AC_CHECK_LIB([z], [compress2], [], [AC_MSG_ERROR([
+	AC_CHECK_HEADER([zlib.h], [], [AC_MSG_FAILURE([
-		*** compress2() missing, the zlib-devel package is required])])
+	*** zlib.h missing, zlib-devel package required])])
-	AC_CHECK_LIB([z], [uncompress], [], [AC_MSG_ERROR([
+
-		*** uncompress() missing, the zlib-devel package is required])])
+	AC_CHECK_LIB([z], [compress2], [], [AC_MSG_FAILURE([
+	*** compress2() missing, zlib-devel package required])])
+
+	AC_CHECK_LIB([z], [uncompress], [], [AC_MSG_FAILURE([
+	*** uncompress() missing, zlib-devel package required])])
+
+	AC_SUBST([ZLIB], ["-lz"])
+	AC_DEFINE([HAVE_ZLIB], 1, [Define if you have zlib])
 ])

config/user.m4

@@ -7,4 +7,6 @@ AC_DEFUN([ZFS_AC_CONFIG_USER], [
 	ZFS_AC_CONFIG_USER_LIBSHARE
 	ZFS_AC_CONFIG_USER_IOCTL
 	ZFS_AC_CONFIG_USER_ZLIB
+	ZFS_AC_CONFIG_USER_LIBUUID
+	ZFS_AC_CONFIG_USER_LIBBLKID
 ])

lib/libefi/include/sys/efi_partition.h

@@ -26,8 +26,6 @@
 #ifndef	_SYS_EFI_PARTITION_H
 #define	_SYS_EFI_PARTITION_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/uuid.h>
 
 #ifdef	__cplusplus
@@ -221,7 +219,11 @@ struct partition64 {
 /*
  * Number of EFI partitions
  */
+#if defined(__linux__)
+#define	EFI_NUMPAR	128 /* Expected by parted-1.8.1 */
+#else
 #define	EFI_NUMPAR	9
+#endif
 
 #ifndef _KERNEL
 extern	int	efi_alloc_and_init(int, uint32_t, struct dk_gpt **);

lib/libefi/include/sys/uuid.h

@@ -27,8 +27,6 @@
 #ifndef	_SYS_UUID_H
 #define	_SYS_UUID_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #ifdef	__cplusplus
 extern "C" {
 #endif

zfs.spec.in

@@ -12,8 +12,8 @@ License:         CDDL
 URL:             git://eris.llnl.gov/zfs.git
 BuildRoot:       %{_tmppath}/%{name}-%{version}-%{release}-%(%{__id} -un)
 Source:          %{name}-%{version}.tar.gz
-Requires:        zlib
+Requires:        zlib e2fsprogs
-BuildRequires:   zlib-devel
+BuildRequires:   zlib-devel e2fsprogs-devel
 
 %description
 The %{name} package contains the libzfs library and support utilities
@@ -22,8 +22,8 @@ for the zfs file system.
 %package devel
 Summary:         ZFS File System User Headers
 Group:           Development/Libraries
-Requires:        zlib
+Requires:        zlib e2fsprogs
-BuildRequires:   zlib-devel
+BuildRequires:   zlib-devel e2fsprogs-devel
 
 %description devel
 The %{name}-devel package contains the header files needed for building