btrfs: Use IS_ALIGNED in btrfs_truncate_block instead of opencoding it

No functional changes, just makes the code more readable

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2018-01-18 14:47:06 +02:00 committed by David Sterba
parent 5f4791f4a6
commit b03ebd992f

View file

@ -4769,8 +4769,8 @@ 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);