Re: [PATCH] jffs2: Fix mounting under new mount API

[Al Viro <viro@xxxxxxxxxxxxxxxxxx>]

On Thu, Sep 26, 2019 at 03:21:18PM +0100, David Howells wrote:
> The mounting of jffs2 is broken due to the changes from the new mount API
> because it specifies a "source" operation, but then doesn't actually
> process it.  But because it specified it, it doesn't return -ENOPARAM and
> the caller doesn't process it either and the source gets lost.
> 
> Fix this by simply removing the source parameter from jffs2 and letting the
> VFS deal with it in the default manner.
> 
> To test it, enable CONFIG_MTD_MTDRAM and allow the default size and erase
> block size parameters, then try and mount the /dev/mtdblock<N> file that
> that creates as jffs2.  No need to initialise it.
> 
> Fixes: ec10a24f10c8 ("vfs: Convert jffs2 to use the new mount API")
> Reported-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
> cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
> cc: Richard Weinberger <richard@xxxxxx>
> cc: linux-mtd@xxxxxxxxxxxxxxxxxxx

Applied.

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