Subject: Re: kernel version 2.6.35-git10 build failure

From: Piotr Hosowicz <[email-masked]>
Date: Wed, 11 Aug 2010 10:59:05 +0200

On 11.08.2010 09:53, Sripathi Kodi wrote:
> On Wed, 11 Aug 2010 12:51:35 +0530
> divya<[email-masked]>  wrote:
>
>> Hi,
>>
>> Today kernel(version 2.6.35-git10 -commitid 3d30701b58970) build fails with following error on both system x and p
>>
>>     fs/9p/vfs_inode.c: In function 'v9fs_vfs_setattr_dotl':
>>     fs/9p/vfs_inode.c:1267: error: implicit declaration of function 'inode_setattr'
>>     make[2]: *** [fs/9p/vfs_inode.o] Error 1
>>     make[2]: *** Waiting for unfinished jobs....
>>     make[1]: *** [fs/9p] Error 2
>>     make[1]: *** Waiting for unfinished jobs....
>>     make: *** [fs] Error 2
>>     make: *** Waiting for unfinished jobs....
>>
>> Seems like the commit 87d7845aa0b is the corrupt which added the function v9fs_vfs_setattr_dotl()
>
> Yes, it is a problem I created. Stephen Rothwell has already fixed it.
> Al Viro has sent a git pull request to Linus today with the fix in it.
> Here is the patch you need: http://lkml.org/lkml/2010/6/21/442

I fail to apply the patch.

aapi205:/usr/src/linux# patch -p1 < ../9p-patch.txt
patching file fs/9p/vfs_inode.c
Hunk #1 FAILED at 1052.
1 out of 1 hunk FAILED -- saving rejects to file fs/9p/vfs_inode.c.rej

aapi205:/usr/src/linux# cat fs/9p/vfs_inode.c.rej
--- fs/9p/vfs_inode.c
+++ fs/9p/vfs_inode.c
@@ -1052,10 +1052,19 @@
                 return PTR_ERR(fid);

         retval = p9_client_setattr(fid, &p9attr);
-       if (retval >= 0)
-               retval = inode_setattr(dentry->d_inode, iattr);
+       if (retval < 0)
+               return retval;

-       return retval;
+       if ((iattr->ia_valid & ATTR_SIZE) &&
+           iattr->ia_size != i_size_read(dentry->d_inode)) {
+               retval = vmtruncate(dentry->d_inode, iattr->ia_size);
+               if (retval)
+                       return retval;
+       }
+
+       setattr_copy(dentry->d_inode, iattr);
+       mark_inode_dirty(dentry->d_inode);
+       return 0;
  }

  /**

I must be doing something wrong way.

Regards,

Piotr Hosowicz

-- 
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NB: 2.6.35-git9