[Linux-cachefs] Re: [PATCH] Fix multiple blockdev-based filesystem mounts

[Alexander Viro]

On Tue, Mar 07, 2006 at 11:08:41AM +0000, David Howells wrote:
> 
> The attached patch fixes multiple mounts of the same blockdev-based filesystem
> (such as EXT3). The problem is that the path through the function that deals
> with a second mount of an already extant superblock is going out through the
> error path and not the success path that sets up the vfsmount.
> 
> The error can be checked by doing something like:
> 
> 	mount /dev/hda6 /a
> 	mount /dev/hda6 /b
> 
> Where /dev/hda6 has something like an EXT3 filesystem on it. The second mount
> should succeed, but doesn't without this patch.
> 
> This patch is dependent on the getsb patch submitted earlier.
> 
> Signed-Off-By: David Howells <dhowells at redhat.com>

Please, merge them in one; this one fixes a bug in ->get_sb() patch and since
it wasn't merged in mainline yet, there's no reason to keep them separate.