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DIR:OUT; SFP:1102; SCL:1; SRVR:SN2PR03MB2222; H:SN2PR03MB2224.namprd03.prod.outlook.com; FPR:; SPF:None; PTR:InfoNoRecords; A:1; MX:1; LANG:en; received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Jun 2016 07:33:18.4814 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN2PR03MB2222 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Jun 2016 08:06:54 -0000 I run "./freeze -f", the program should freeze the "/" file partition, but = I can still write something to "/tmp" folder. -----Original Message----- From: Edward Tomasz Napiera=B3a [mailto:etnapierala@gmail.com] On Behalf Of= Edward Tomasz Napierala Sent: Tuesday, June 28, 2016 2:55 PM To: Hongjiang Zhang Cc: freebsd-fs@freebsd.org Subject: Re: ufs freeze does not work On 0627T0815, Hongjiang Zhang via freebsd-fs wrote: > Hi all, >=20 > I wrote a test to freeze ufs, but it does not work even if the ioctl retu= rns successful. What is the problem? What do you mean by 'does not work'? What happens, and what did you expect= to happen? Regarding your example - remember that the filesystem gets automatically un= suspended as soon as you close the /dev/ufssuspend file descriptor.