[PATCH] xfs: Update inode alloc comments

[Christoph Hellwig]

On Sat, Oct 20, 2012 at 11:08:19AM -0300, Carlos Maiolino wrote:
> I found some out of date comments while studying the inode allocation code, so I
> believe it's worth to have these comments updated.
> 
> It basically rewrites the comment regarding to "call_again" variable, which is
> not used anymore, but instead, callers of xfs_ialloc() decides if it needs to be
> called again relying only if ialloc_context is NULL or not.
> 
> Also did some small changes in another comment that I thought to be pertinent
> to the current behaviour of these functions and some alignment on both comments.
> 
> Signed-off-by: Carlos Maiolino <cmaiolino at redhat.com>

Looks good,

Reviewed-by: Christoph Hellwig <hch at lst.de>