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 <[email protected]> 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 [email protected] >> Please read the FAQ at http://kernelnewbies.org/FAQ >> > > > > -- > Thanks & Regards, > Ajit Subhash Mote > > -- Regards, Rishi B. Agrawal -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [email protected] Please read the FAQ at http://kernelnewbies.org/FAQ
