import xfsdump-3.1.8-4.el8
This commit is contained in:
CentOS Sources
Stepan Oksanichenko
parent
58c0bbc1ec
commit
1e143e12ab
@ -0,0 +1,66 @@
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From 3b71c7f1f5a1dd45712d7de1139290d0a8cf03c4 Mon Sep 17 00:00:00 2001
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From: Gao Xiang <hsiangkao@redhat.com>
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Date: Thu, 3 Feb 2022 12:42:30 -0500
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Subject: [PATCH 1/2] xfsdump: Revert "xfsdump: handle bind mount targets"
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Bind mount mntpnts will be forbided in the next commits
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instead since it's not the real rootdir.
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This cannot be reverted cleanly due to several cleanup
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patches, but the logic is reverted equivalently.
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This reverts commit 25195ebf107dc81b1b7cea1476764950e1d6cc9d.
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Fixes: 25195ebf107d ("xfsdump: handle bind mount targets")
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Cc: Eric Sandeen <sandeen@redhat.com>
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Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
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Reviewed-by: Eric Sandeen <sandeen@redhat.com>
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Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
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---
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Index: xfsdump-3.1.8/dump/content.c
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===================================================================
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--- xfsdump-3.1.8.orig/dump/content.c
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+++ xfsdump-3.1.8/dump/content.c
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@@ -1382,17 +1382,11 @@ baseuuidbypass:
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}
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/* figure out the ino for the root directory of the fs
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- * and get its xfs_bstat_t for inomap_build(). This could
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- * be a bind mount; don't ask for the mount point inode,
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- * find the actual lowest inode number in the filesystem.
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+ * and get its xfs_bstat_t for inomap_build()
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*/
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{
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stat64_t rootstat;
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- xfs_ino_t lastino = 0;
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- int ocount = 0;
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- xfs_fsop_bulkreq_t bulkreq;
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- /* Get the inode of the mount point */
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rval = fstat64( sc_fsfd, &rootstat );
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if ( rval ) {
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mlog( MLOG_NORMAL, _(
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@@ -1404,21 +1398,11 @@ baseuuidbypass:
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( xfs_bstat_t * )calloc( 1, sizeof( xfs_bstat_t ));
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assert( sc_rootxfsstatp );
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- /* Get the first valid (i.e. root) inode in this fs */
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- bulkreq.lastip = (__u64 *)&lastino;
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- bulkreq.icount = 1;
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- bulkreq.ubuffer = sc_rootxfsstatp;
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- bulkreq.ocount = &ocount;
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- if (ioctl(sc_fsfd, XFS_IOC_FSBULKSTAT, &bulkreq) < 0) {
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+ if (bigstat_one(sc_fsfd, rootstat.st_ino, sc_rootxfsstatp) < 0) {
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mlog( MLOG_ERROR,
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_("failed to get bulkstat information for root inode\n"));
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return BOOL_FALSE;
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}
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-
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- if (sc_rootxfsstatp->bs_ino != rootstat.st_ino)
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- mlog ( MLOG_NORMAL | MLOG_NOTE,
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- _("root ino %lld differs from mount dir ino %lld, bind mount?\n"),
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- sc_rootxfsstatp->bs_ino, rootstat.st_ino);
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}
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/* alloc a file system handle, to be used with the jdm_open()
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100
SOURCES/0002-xfsdump-intercept-bind-mount-targets.patch
Normal file
100
SOURCES/0002-xfsdump-intercept-bind-mount-targets.patch
Normal file
@ -0,0 +1,100 @@
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From 0717c1cdfeaedc98df8af97b5ab110830e176a5b Mon Sep 17 00:00:00 2001
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From: Gao Xiang <hsiangkao@redhat.com>
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Date: Thu, 3 Feb 2022 12:42:30 -0500
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Subject: [PATCH 2/2] xfsdump: intercept bind mount targets
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It's a bit strange pointing at some non-root bind mount target and
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then actually dumping from the actual root dir instead.
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Therefore, instead of searching for the root dir of the filesystem,
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just intercept all bind mount targets by checking whose ino # of
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".." is itself with getdents.
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Fixes: 25195ebf107d ("xfsdump: handle bind mount targets")
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Cc: Eric Sandeen <sandeen@redhat.com>
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Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
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[sandeen: add explanatory comment to new function]
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Reviewed-by: Eric Sandeen <sandeen@redhat.com>
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Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
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---
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Index: xfsdump-3.1.8/dump/content.c
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===================================================================
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--- xfsdump-3.1.8.orig/dump/content.c
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+++ xfsdump-3.1.8/dump/content.c
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@@ -511,6 +511,60 @@ static bool_t create_inv_session(
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ix_t subtreecnt,
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size_t strmix);
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+/*
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+ * Verify that we are asked to dump from the root of the filesystem;
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+ * test this by checking whether the inode number we've been given matches
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+ * the inode number for this directory's ".."
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+ */
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+static bool_t
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+check_rootdir(int fd,
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+ xfs_ino_t ino)
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+{
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+ struct dirent *gdp;
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+ size_t gdsz;
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+ bool_t found = BOOL_FALSE;
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+
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+ gdsz = sizeof(struct dirent) + NAME_MAX + 1;
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+ if (gdsz < GETDENTSBUF_SZ_MIN)
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+ gdsz = GETDENTSBUF_SZ_MIN;
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+ gdp = (struct dirent *)calloc(1, gdsz);
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+ assert(gdp);
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+
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+ while (1) {
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+ struct dirent *p;
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+ int nread;
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+
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+ nread = getdents_wrap(fd, (char *)gdp, gdsz);
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+ /*
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+ * negative count indicates something very bad happened;
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+ * try to gracefully end this dir.
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+ */
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+ if (nread < 0) {
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+ mlog(MLOG_NORMAL | MLOG_WARNING,
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+_("unable to read dirents for directory ino %llu: %s\n"),
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+ ino, strerror(errno));
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+ break;
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+ }
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+
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+ /* no more directory entries: break; */
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+ if (!nread)
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+ break;
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+
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+ for (p = gdp; nread > 0;
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+ nread -= (int)p->d_reclen,
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+ assert(nread >= 0),
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+ p = (struct dirent *)((char *)p + p->d_reclen)) {
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+ if (!strcmp(p->d_name, "..")) {
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+ if (p->d_ino == ino)
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+ found = BOOL_TRUE;
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+ break;
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+ }
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+ }
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+ }
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+ free(gdp);
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+ return found;
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+}
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+
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bool_t
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content_init( int argc,
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char *argv[ ],
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@@ -1394,6 +1448,14 @@ baseuuidbypass:
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mntpnt );
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return BOOL_FALSE;
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}
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+
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+ if (!check_rootdir(sc_fsfd, rootstat.st_ino)) {
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+ mlog(MLOG_ERROR,
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+_("%s is not the root of the filesystem (bind mount?) - use primary mountpoint\n"),
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+ mntpnt);
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+ return BOOL_FALSE;
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+ }
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+
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sc_rootxfsstatp =
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( xfs_bstat_t * )calloc( 1, sizeof( xfs_bstat_t ));
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assert( sc_rootxfsstatp );
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@ -1,13 +1,15 @@
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Summary: Administrative utilities for the XFS filesystem
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Name: xfsdump
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Version: 3.1.8
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Release: 2%{?dist}
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Release: 4%{?dist}
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# Licensing based on generic "GNU GENERAL PUBLIC LICENSE"
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# in source, with no mention of version.
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License: GPL+
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Group: System Environment/Base
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URL: http://oss.sgi.com/projects/xfs/
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Source0: http://kernel.org/pub/linux/utils/fs/xfs/%{name}/%{name}-%{version}.tar.xz
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Patch0: 0001-xfsdump-Revert-xfsdump-handle-bind-mount-targets.patch
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Patch1: 0002-xfsdump-intercept-bind-mount-targets.patch
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BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
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BuildRequires: libtool, gettext, gawk
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BuildRequires: xfsprogs-devel, libuuid-devel, libattr-devel ncurses-devel
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@ -32,6 +34,8 @@ subtrees may be restored from full or partial backups.
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%prep
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%setup -q
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%patch0 -p1
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%patch1 -p1
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%build
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%configure
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@ -65,6 +69,12 @@ rm -rf $RPM_BUILD_ROOT
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%{_sharedstatedir}/xfsdump/inventory
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%changelog
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* Fri Feb 11 2022 Eric Sandeen <sandeen@redhat.com> 3.1.8-4
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- Fix bind mount vs root inode problems (#2020494)
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* Wed May 15 2019 Eric Sandeen <sandeen@redhat.com> 3.1.8-3
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- Bump revision for test infrastructure (#1681970)
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* Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.8-2
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- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
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