Re: [PATCH v2] xfs/098: fix xfs_repair on newer xfsprogs

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On 2016/08/26 12:48, Zorro Lang wrote:
On Fri, Aug 26, 2016 at 11:36:52AM +0800, Xiao Yang wrote:
Make sure xfs_repair can't clear the log by default when it is corrupted.
xfs_repair always and only clear the log when the -L parameter is specified.
This has updated by:
Commit f2053bc ("xfs_repair: don't clear the log by default")

Signed-off-by: Xiao Yang<yangx.jy@xxxxxxxxxxxxxx>
---
  common/rc     | 4 ++--
  tests/xfs/098 | 2 +-
  2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/common/rc b/common/rc
index 3fb0600..c693a31 100644
--- a/common/rc
+++ b/common/rc
@@ -1143,9 +1143,9 @@ _repair_scratch_fs()
Hi Xiao

You should explain why you changed this function in commit log. Or
the reviewer can't understand why you change it.

      xfs)
          _scratch_xfs_repair "$@" 2>&1
  	res=$?
-	if [ "$res" -eq 2 ]; then
+	if [ "$res" -ne 0 ]; then
Hi Darrick,

The xfs_repair manpage said:
xfs_repair run without the -n option will always return a status code of 0.

I don't understand why you think it return 2 here? (Please check below)

Hi Zorro

I don't understand why it return 2 here too. I want to change this function because xfs_repair
without -L option return 1 when log is corrupted on newer xfsprogs-dev.
  		echo "xfs_repair returns $res; replay log?"
-		_scratch_mount
+		_scratch_mount 2>&1
  		res=$?
  		if [ "$res" -gt 0 ]; then
  			echo "mount returns $res; zap log?"
diff --git a/tests/xfs/098 b/tests/xfs/098
index d91d617..eb33bb1 100755
--- a/tests/xfs/098
+++ b/tests/xfs/098
@@ -93,7 +93,7 @@ echo "+ mount image"
  _scratch_mount 2>/dev/null&&  _fail "mount should not succeed"

  echo "+ repair fs"
-_scratch_xfs_repair>>  $seqres.full 2>&1
+_repair_scratch_fs>>  $seqres.full
If just call xfs_repair without any options, the _repair_scratch_fs won't
help to call xfs_repair -L I think.

So I think this patch won't fix the problem.

Feel free to correct me, if I misunderstand something:)

Thanks,
Zorro

If xfs_repair without any option succeed to repair filesystem when log is corrupted, _repair_scratch_fs don't need to call xfs_repair -L. If it failed to repair filesystem,
_repair_scratch_fs needs  to call  xfs_repair -L.

Thanks
Xiao Yang.

  echo "+ mount image (2)"
  _scratch_mount
--
1.8.3.1



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