Re: [PATCH] iomap: Fix unsharing of an extent >2GB on a 32-bit machine

["Darrick J. Wong" <darrick.wong@oracle.com>]

On Sun, Jun 07, 2020 at 03:35:36AM -0700, Matthew Wilcox wrote:
> From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
> 
> Widen the type used for counting the number of bytes unshared.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>

Makes sense,
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>

--D

> ---
>  fs/iomap/buffered-io.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
> index ae6c5e38f0e8..9f90d2394535 100644
> --- a/fs/iomap/buffered-io.c
> +++ b/fs/iomap/buffered-io.c
> @@ -909,7 +909,7 @@ iomap_unshare_actor(struct inode *inode, loff_t pos, loff_t length, void *data,
>  		struct iomap *iomap, struct iomap *srcmap)
>  {
>  	long status = 0;
> -	ssize_t written = 0;
> +	loff_t written = 0;
>  
>  	/* don't bother with blocks that are not shared to start with */
>  	if (!(iomap->flags & IOMAP_F_SHARED))
> -- 
> 2.26.2
>