[gfs2-utils] 07/08: mkfs.gfs2: Set the rg_data0, rg_data and rg_bitbytes fields

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in repository gfs2-utils.

commit 83c58ae8c44d8c9a2789b3b70fe3b9535d76c09a
Author: Andrew Price <anprice(a)redhat.com&gt;
Date:   Mon Nov 6 22:34:08 2017 +0000

    mkfs.gfs2: Set the rg_data0, rg_data and rg_bitbytes fields
    
    These fields are duplicated from the rindex entry associated with the
    rgrp in order to reduce dependency on the rindex.
    
    Signed-off-by: Andrew Price <anprice(a)redhat.com&gt;
---
 gfs2/libgfs2/rgrp.c      |  6 +++++-
 tests/mkfs.at            | 16 ++++++++++++++++
 tests/rgrifieldscheck.sh | 17 +++++++++++++++++
 3 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/gfs2/libgfs2/rgrp.c b/gfs2/libgfs2/rgrp.c
index 4a2b197..17178bd 100644
--- a/gfs2/libgfs2/rgrp.c
+++ b/gfs2/libgfs2/rgrp.c
@@ -619,7 +619,11 @@ lgfs2_rgrp_t lgfs2_rgrps_append(lgfs2_rgrps_t rgs, struct gfs2_rindex
*entry, ui
 #ifdef GFS2_HAS_RG_SKIP
 	rg->rg.rg_skip = rg_skip;
 #endif
-
+#ifdef GFS2_HAS_RG_RI_FIELDS
+	rg->rg.rg_data0 = rg->ri.ri_data0;
+	rg->rg.rg_data = rg->ri.ri_data;
+	rg->rg.rg_bitbytes = rg->ri.ri_bitbytes;
+#endif
 	compute_bitmaps(rg, rgs->sdp->bsize);
 	rg->rgrps = rgs;
 	return rg;
diff --git a/tests/mkfs.at b/tests/mkfs.at
index b90d55e..be88817 100644
--- a/tests/mkfs.at
+++ b/tests/mkfs.at
@@ -139,3 +139,19 @@ AT_CHECK([rgskipcheck.sh $GFS_TGT], 0, [ignore], [ignore])
 AT_CHECK([$GFS_MKFS -p lock_nolock -o test_topology=0:512:65536:393216:512 $GFS_TGT], 0,
[ignore], [ignore])
 AT_CHECK([rgskipcheck.sh $GFS_TGT], 0, [ignore], [ignore])
 AT_CLEANUP
+
+AT_SETUP([Values of rg_data0, rg_data, rg_bitbytes])
+AT_KEYWORDS(mkfs.gfs2 mkfs)
+AT_CHECK([$GFS_MKFS -p lock_nolock -r 2048 $GFS_TGT], 0, [ignore], [ignore])
+AT_CHECK([rgrifieldscheck.sh $GFS_TGT], 0, [ignore], [ignore])
+AT_CHECK([$GFS_MKFS -p lock_nolock -r 1024 $GFS_TGT], 0, [ignore], [ignore])
+AT_CHECK([rgrifieldscheck.sh $GFS_TGT], 0, [ignore], [ignore])
+AT_CHECK([$GFS_MKFS -p lock_nolock -r 512 $GFS_TGT], 0, [ignore], [ignore])
+AT_CHECK([rgrifieldscheck.sh $GFS_TGT], 0, [ignore], [ignore])
+AT_CHECK([$GFS_MKFS -p lock_nolock -r 219 $GFS_TGT], 0, [ignore], [ignore])
+AT_CHECK([rgrifieldscheck.sh $GFS_TGT], 0, [ignore], [ignore])
+AT_CHECK([$GFS_MKFS -p lock_nolock -r 32 $GFS_TGT], 0, [ignore], [ignore])
+AT_CHECK([rgrifieldscheck.sh $GFS_TGT], 0, [ignore], [ignore])
+AT_CHECK([$GFS_MKFS -p lock_nolock -o test_topology=0:512:65536:393216:512 $GFS_TGT], 0,
[ignore], [ignore])
+AT_CHECK([rgrifieldscheck.sh $GFS_TGT], 0, [ignore], [ignore])
+AT_CLEANUP
diff --git a/tests/rgrifieldscheck.sh b/tests/rgrifieldscheck.sh
new file mode 100755
index 0000000..c99470a
--- /dev/null
+++ b/tests/rgrifieldscheck.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+dev=$1
+i=0
+gfs2_edit -p rindex $dev | while read field rival unused
+do
+	test $field = ri_data0 -o $field = ri_data -o $field = ri_bitbytes || continue
+	rgfield=$(echo $field | sed 's/ri/rg/')
+	rgval=$(gfs2_edit -p rg $i $dev | grep " $rgfield " | awk '{print
$2}')
+
+	if test "$rival" != "$rgval"
+	then
+		echo "Bad $rgfield in rg $i: $rgval (expected: $rival)" >&2
+		exit 1
+	fi
+
+	test $field = ri_bitbytes && let i++
+done

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