2.6.39 Kernel Changes for FileSystem, get_sb removed
apawar.linux at gmail.com
Tue Sep 20 08:13:57 EDT 2011
On 09/20/2011 05:14 PM, Abhijit Pawar wrote:
> Hi list,
> It seems that the support for get_sb function is removed from kernel
> 2.6.39 onwards. My code which is working till 2.6.38 series is failing
> with new kernels.
> I tried finding out but there isnt anything mentioned. So if this
> function itself is removed then how kernel is going to find out the
> superblock and use it?
> Are we supposed to use the mount function provided? This is what i got
> from one of the kernel patch email.
> + ->get_sb() is gone. Switch to use of ->mount(). Typically it's just
> +a matter of switching from calling get_sb_... to mount_... and changing the
> +function type. If you were doing it manually, just switch from setting ->mnt_root
> +to some pointer to returning that pointer. On errors return ERR_PTR(...).
> diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
> It looks like there are other changes related to Pages are also done.
> Abhijit Pawar
I have modified the code to use the mount function and its working
correctly. There is one more change I noticed for struct
address_space_operations: The sync_page is removed.
The code is working now.
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