Re: [PATCH v1 1/2] generic/054,055: add _require_v2log

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on 2020/02/20 6:11, Darrick J. Wong wrote:
On Wed, Feb 19, 2020 at 04:48:07PM +0800, Yang Xu wrote:


on 2020/02/19 13:06, Darrick J. Wong wrote:
On Tue, Feb 18, 2020 at 03:24:10PM +0800, Yang Xu wrote:
This two case fail on my server machine with GPT disklabe type,
info as below:
mount failed: -o logbsize=32k
dmesg info as below:
[92633.871954] XFS (sda7): logbuf size must be greater than or equal to log stripe size

The min logbuf size is 256k on my server machine. It needs to use _require_v2log to check.

Works fine here.  What is sda7's storage and raid alignment
configuration?
/dev/sda is a SAS disk, raid aligment is 256k.  When I mkfs.xfs -f
/dev/sda7(20G), its lsunit value is 64blks(block size is 4k).

_require_v2log probably ought to be smarter about that.
maybe _require_v2log to specify logbszie for mount options?

But, uh, seeing as generic/05[45] don't currently call _require_v2log,
how did logbsize=32k end up in the mount options to fail those two
tests?

But generic/05[45] call _get_log_configs. It will use _xfs_log_config
and _xfs_log_config calls logbszie=32k/64k/128k/256k for mount options.
So xfs/xfs_super.c xfs_finish_flag will report EINVAL error if logbsize < logsunit. So on my machine this case failed without calling _require_v2log.

Best Regards
Yang Xu
--D

Best Regards
Yang Xu

--D

Signed-off-by: Yang Xu <xuyang2018.jy@xxxxxxxxxxxxxx>
---
   common/log        | 1 +
   tests/generic/054 | 1 +
   tests/generic/055 | 1 +
   3 files changed, 3 insertions(+)

diff --git a/common/log b/common/log
index c7921f50..f82919a6 100644
--- a/common/log
+++ b/common/log
@@ -494,6 +494,7 @@ _log_version()
   _require_v2log()
   {
+    [ "$FSTYP" != xfs ] && return 0
       # test out mkfs to see if it supports "-l version=2"
       export MKFS_OPTIONS="-l version=2"
       if ! _scratch_mkfs_xfs >>$seqres.full 2>&1; then
diff --git a/tests/generic/054 b/tests/generic/054
index 95d40c3c..b4b74615 100755
--- a/tests/generic/054
+++ b/tests/generic/054
@@ -30,6 +30,7 @@ rm -f $seqres.full $tmp.*
   _require_scratch
   _require_scratch_shutdown
   _require_logstate
+_require_v2log
   echo "*** init FS"
   _scratch_unmount >/dev/null 2>&1
diff --git a/tests/generic/055 b/tests/generic/055
index 9715f27b..071c4eaf 100755
--- a/tests/generic/055
+++ b/tests/generic/055
@@ -57,6 +57,7 @@ rm -f $seqres.full $tmp.*
   _require_scratch
   _require_scratch_shutdown
   _require_logstate
+_require_v2log
   QUOTA_OPTION=`_get_quota_option`
--
2.18.0














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