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5d450f53-8601-458d-384e-08dd6b8b23d1 X-MS-Exchange-CrossTenant-AuthSource: PH0PR10MB5706.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Mar 2025 10:52:30.5641 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 7XLNta04T2fIc9J0xRPCIET6sQOVraL/GnnYEqZez6X593DQCPg5S7yaAsMzvtwPKYdsxH+1PkugsnkpgzkTdw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR10MB4301 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1093,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-25_04,2025-03-25_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 phishscore=0 suspectscore=0 adultscore=0 malwarescore=0 spamscore=0 mlxlogscore=999 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2502280000 definitions=main-2503250075 X-Proofpoint-GUID: x8108fvsHwL6WPRxTTElACs6W28ZvzZv X-Proofpoint-ORIG-GUID: x8108fvsHwL6WPRxTTElACs6W28ZvzZv On 19/3/25 19:09, Johannes Thumshirn wrote: > From: Johannes Thumshirn > > Recently we had a bug report about a kernel crash that happened when the > user was converting a filesystem to use RAID1 for metadata, but for some > reason the device's write pointers got out of sync. > > Test this scenario by manually injecting de-synchronized write pointer > positions and then running conversion to a metadata RAID1 filesystem. > > In the testcase also repair the broken filesystem and check if both system > and metadata block groups are back to the default 'DUP' profile > afterwards. > > Link: https://lore.kernel.org/linux-btrfs/CAB_b4sBhDe3tscz=duVyhc9hNE+gu=B8CrgLO152uMyanR8BEA@mail.gmail.com/ > Signed-off-by: Johannes Thumshirn > Reviewed-by: Filipe Manana > --- > Changes to v3: > - Limit number of dirtied zones to 64 > Changes to v2: > - Filter SCRATCH_MNT in golden output > Changes to v1: > - Add test description > - Don't redirect stderr to $seqres.full > - Use xfs_io instead of dd > - Use $SCRATCH_MNT instead of hardcoded mount path > - Check that 1st balance command actually fails as it's supposed to Much cleaner. Thx. Reviewed-by: Anand Jain Updated. Thx.