Re: [PATCH] btrfs: Use IS_ALIGNED in btrfs_truncate_block instead of opencoding it

[David Sterba]

On Fri, Jan 19, 2018 at 08:45:40AM +0800, Qu Wenruo wrote:
> 
> 
> On 2018年01月18日 20:47, Nikolay Borisov wrote:
> > No functional changes, just makes the code more readable
> > 
> > Signed-off-by: Nikolay Borisov 
> 
> Reviewed-by: Qu Wenruo 

Thanks, added to 4.16 queue.
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Re: [PATCH] btrfs: Use IS_ALIGNED in btrfs_truncate_block instead of opencoding it

[Qu Wenruo]

On 2018年01月18日 20:47, Nikolay Borisov wrote:
> No functional changes, just makes the code more readable
> 
> Signed-off-by: Nikolay Borisov 

Reviewed-by: Qu Wenruo 

Thanks,
Qu

> ---
>  fs/btrfs/inode.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
> index 269d129ffb1f..e9690e2aba09 100644
> --- a/fs/btrfs/inode.c
> +++ b/fs/btrfs/inode.c
> @@ -4775,8 +4775,8 @@ int btrfs_truncate_block(struct inode *inode, loff_t 
> from, loff_t len,
>   u64 block_start;
>   u64 block_end;
>  
> - if ((offset & (blocksize - 1)) == 0 &&
> - (!len || ((len & (blocksize - 1)) == 0)))
> + if (IS_ALIGNED(offset, blocksize) &&
> + (!len || IS_ALIGNED(len, blocksize)))
>   goto out;
>  
>   block_start = round_down(from, blocksize);
> 



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