4d080a91b2
- Fix building on SLE11: * btrfs-progs: convert: fix support for e2fsprogs < 1.42 * btrfs-progs: build: detect whether -std=gnu90 is supported * btrfs-progs: build: autoconf 2.63 compatibility * Fixed mismerged addition of libbtrfsutil1 package description - Added patches: * 0001-btrfs-progs-convert-fix-support-for-e2fsprogs-1.42.patch * 0002-btrfs-progs-build-autoconf-2.63-compatibility.patch * 0003-btrfs-progs-build-detect-whether-std-gnu90-is-suppor.patch OBS-URL: https://build.opensuse.org/request/show/602573 OBS-URL: https://build.opensuse.org/package/show/filesystems/btrfsprogs?expand=0&rev=294
70 lines
2.6 KiB
Diff
70 lines
2.6 KiB
Diff
From 1a9818aa0dcbcd48eadbb122a1433497f758db9a Mon Sep 17 00:00:00 2001
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From: Jeff Mahoney <jeffm@suse.com>
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Date: Fri, 27 Apr 2018 13:58:41 -0400
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Subject: [PATCH 1/3] btrfs-progs: convert: fix support for e2fsprogs < 1.42
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Patch-mainline: Submitted, linux-btrfs 26 Apr 2018
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Commit 324d4c1857a (btrfs-progs: convert: Add larger device support)
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introduced new dependencies on the 64-bit API provided by e2fsprogs.
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That API was introduced in v1.42 (along with bigalloc).
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This patch maps the following to their equivalents in e2fsprogs < 1.42.
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- ext2fs_get_block_bitmap_range2
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- ext2fs_inode_data_blocks2
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- ext2fs_read_ext_attr2
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Since we need to detect and define EXT2_FLAG_64BITS for compatibilty
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anyway, it makes sense to use that to detect the older e2fsprogs instead
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of defining a new flag ourselves.
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Signed-off-by: Jeff Mahoney <jeffm@suse.com>
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---
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configure.ac | 6 +-----
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convert/source-ext2.h | 12 +++++++++++-
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2 files changed, 12 insertions(+), 6 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index af13a95..2dea1c6 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -140,11 +140,7 @@ BTRFSCONVERT_EXT2=0
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BTRFSCONVERT_REISERFS=0
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if test "x$enable_convert" = xyes; then
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if test "x$with_convert" = "xauto" || echo "$with_convert" | grep -q "ext2"; then
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- PKG_CHECK_MODULES(EXT2FS, [ext2fs >= 1.42],,
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- [PKG_CHECK_MODULES(EXT2FS, [ext2fs],
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- [AC_DEFINE([HAVE_OLD_E2FSPROGS], [1],
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- [E2fsprogs does not support BIGALLOC])]
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- )])
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+ PKG_CHECK_MODULES(EXT2FS, [ext2fs])
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PKG_CHECK_MODULES(COM_ERR, [com_err])
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convertfs="${convertfs:+$convertfs,}ext2"
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BTRFSCONVERT_EXT2=1
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diff --git a/convert/source-ext2.h b/convert/source-ext2.h
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index 80833b2..c321412 100644
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--- a/convert/source-ext2.h
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+++ b/convert/source-ext2.h
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@@ -33,8 +33,18 @@
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* BIGALLOC.
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* Unlike normal RO compat flag, BIGALLOC affects how e2fsprogs check used
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* space, and btrfs-convert heavily relies on it.
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+ *
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+ * e2fsprogs 1.42 also introduced the 64-bit API. Any file system
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+ * that requires it will have EXT4_FEATURE_INCOMPAT_64BIT set and
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+ * will fail to open with earlier releases. We can map it to the
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+ * older API without risk of corruption.
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*/
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-#ifdef HAVE_OLD_E2FSPROGS
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+#ifndef EXT2_FLAG_64BITS
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+#define EXT2_FLAG_64BITS (0)
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+#define ext2fs_get_block_bitmap_range2 ext2fs_get_block_bitmap_range
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+#define ext2fs_inode_data_blocks2 ext2fs_inode_data_blocks
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+#define ext2fs_read_ext_attr2 ext2fs_read_ext_attr
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+#define ext2fs_blocks_count(s) ((s)->s_blocks_count)
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#define EXT2FS_CLUSTER_RATIO(fs) (1)
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#define EXT2_CLUSTERS_PER_GROUP(s) (EXT2_BLOCKS_PER_GROUP(s))
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#define EXT2FS_B2C(fs, blk) (blk)
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--
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1.7.12.4
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