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common/xfs: Add require_xfs_db_write_array function

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xfsprogs commit 4222d00("db: write via array indexing doesn't
work") fixes a bug that xfs_db write can't support array indexing.
This function will check whether the bug is fixed on the current
xfsprogs.

xfs/444 applies the function, and skips if this bug exists.

Signed-off-by: yang xu <xuyang.jy@cn.fujitsu.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
yang xu
2018-04-17 14:11:40 +08:00
committed by Eryu Guan
parent 792514c384
commit 7ed53b9342
2 changed files with 21 additions and 0 deletions
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common/xfs
+20
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@@ -701,3 +701,23 @@ _scratch_xfs_set_sb_field()
{
_scratch_xfs_set_metadata_field "$1" "$2" "sb 0"
}
# Before xfsprogs commit 4222d000ed("db: write via array indexing doesn't
# work"), xfs_db command to write a specific AGFL index doesn't work. It's a
# bug in a diagnostic tool that is only used by XFS developers as a test
# infrastructure, so it's fine to treat it as a infrastructure dependency as
# all other _require rules.
_require_xfs_db_write_array()
{
local supported=0
_require_test
touch $TEST_DIR/$seq.img
$MKFS_XFS_PROG -d file,name=$TEST_DIR/$seq.img,size=512m >/dev/null 2>&1
$XFS_DB_PROG -x -c "agfl 0" -c "write bno[32] 78" $TEST_DIR/$seq.img \
>/dev/null 2>&1
$XFS_DB_PROG -x -c "agfl 0" -c "print bno[32]" $TEST_DIR/$seq.img \
| grep -q "bno\[32\] = 78" && supported=1
rm -f $TEST_DIR/$seq.img
[ $supported -eq 0 ] && _notrun "xfs_db write can't support array"
}