On Thu, Sep 10, 2020 at 03:47:43PM +0300, Nikolay Borisov wrote:
> Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx>
Looks ok to me,
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
--D
> ---
> fs/iomap/buffered-io.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
> index bcfc288dba3f..31eb680d8c64 100644
> --- a/fs/iomap/buffered-io.c
> +++ b/fs/iomap/buffered-io.c
> @@ -571,8 +571,8 @@ __iomap_write_begin(struct inode *inode, loff_t pos, unsigned len, int flags,
> {
> struct iomap_page *iop = iomap_page_create(inode, page);
> loff_t block_size = i_blocksize(inode);
> - loff_t block_start = pos & ~(block_size - 1);
> - loff_t block_end = (pos + len + block_size - 1) & ~(block_size - 1);
> + loff_t block_start = round_down(pos, block_size);
> + loff_t block_end = round_up(pos + len, block_size);
> unsigned from = offset_in_page(pos), to = from + len, poff, plen;
> int status;
>
> --
> 2.17.1
>
