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btrfs: Use explicit round_down macro in btrfs resize ioctl handler

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No functional changes, just make the code more self-explanatory.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2017-07-18 15:39:08 +03:00 committed by David Sterba
parent 19aee8dea3
commit 47f08b9699
1 changed files with 1 additions and 2 deletions
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3
fs/btrfs/ioctl.c
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@ -1569,8 +1569,7 @@ static noinline int btrfs_ioctl_resize(struct file *file,
goto out_free;
}
new_size = div_u64(new_size, fs_info->sectorsize);
new_size *= fs_info->sectorsize;
new_size = round_down(new_size, fs_info->sectorsize);
btrfs_info_in_rcu(fs_info, "new size for %s is %llu",
rcu_str_deref(device->name), new_size);