On Thu, Jan 1, 2009 at 2:04 AM, Rohit Sharma <imreckless@xxxxxxxxx> wrote: > May be remounting the file system in read only mode will help. > > try this: > # mount -o remount,ro <filesystem> > Yes this works, after remounting the file system in read only mode you cant create new files and you cant even write anything. I hope that helps. > > On Wed, Dec 31, 2008 at 8:36 PM, rishi agrawal <postrishi@xxxxxxxxx> wrote: >> as far as i have understood it is not freezing the file system but it >> is only freezing the write operation on block device >> >> had it been freezing the file system inode creation would also block >> >> >> >> On Wed, Dec 31, 2008 at 8:09 PM, rishi agrawal <postrishi@xxxxxxxxx> wrote: >>> I used a kernel module to freeze the file system using the function freeze_bdev >>> >>> but when i am try to use touch command on the file system i am able to >>> create the files. >>> >>> even read requests are served immediately >>> >>> only the write requests are being blocked >>> >>> until i call the thaw function >>> >>> can i have an explanation for this >>> >>> On Wed, Dec 31, 2008 at 6:11 PM, ajit mote <mail2blackmen@xxxxxxxxx> wrote: >>>> Hello, >>>> >>>>> I want to freeze a file system. I have seen a field in vfs superblock >>>>> s_frozen. >>>>> >>>>> But i am clue less about freezing the file system using that. >>>> >>>> >>>> freeze_bdev function ( fs/buffer.c) lock a filesystem and force it into a >>>> consistent state ... >>>> Above function use s_frozen flag to freez the file system ... >>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Regards, >>>>> Rishi B. Agrawal >>>>> >>>>> -- >>>>> To unsubscribe from this list: send an email with >>>>> "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx >>>>> Please read the FAQ at http://kernelnewbies.org/FAQ >>>>> >>>> >>>> >>>> >>>> -- >>>> Thanks & Regards, >>>> Ajit Subhash Mote >>>> >>>> >>> >>> >>> >>> -- >>> Regards, >>> Rishi B. Agrawal >>> >> >> >> >> -- >> Regards, >> Rishi B. Agrawal >> >> -- >> To unsubscribe from this list: send an email with >> "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx >> Please read the FAQ at http://kernelnewbies.org/FAQ >> >> > -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
