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X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 9S/1+XTiOd0jU9xwoj5H1iRnNCataVaR9qD9frgJ5Q7hH5tEK2TRXVIzNzP7C0d5/X/dqJNpLRe/B/4re1TFkg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV3PR10MB8083 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2024-12-03_12,2024-12-03_03,2024-11-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 phishscore=0 suspectscore=0 malwarescore=0 bulkscore=0 spamscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2411120000 definitions=main-2412040000 X-Proofpoint-ORIG-GUID: ch28en-eOSKdumyHbPjL31ccfYygb05S X-Proofpoint-GUID: ch28en-eOSKdumyHbPjL31ccfYygb05S On 3 Dec 2024, Eugene Loh via DTrace-devel uttered the following: > On 12/3/24 15:31, Nick Alcock wrote: > >> On 3 Dec 2024, eugene loh said: >> >>> From: Eugene Loh >>> >>> The io tests tst.local.sh and tst.wait.sh fail with some frequency, >>> with error messages like "umount: $iodir: target is busy." >> Can you just do a umount -l, then? The only caveat is that while this >> will disconnect the mount from the mount tree immediately, the *actual >> umount* might happen arbitrarily later -- is that a problem? > > Maybe?=C2=A0 In test/triggers/doio.sh, you can see what's going on.=C2=A0= In essence, we want to flush operations out.=C2=A0 A lazy umount might > not do that?=C2=A0 I'm not sure. No, it wouldn't. A simple sync should, though: once it returns, the bios should have got all the way through the stack, IIRC. --=20 NULL && (void)