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authorNikolay Borisov <nborisov@suse.com>2017-07-18 15:39:08 +0300
committerDavid Sterba <dsterba@suse.com>2017-08-16 17:12:03 +0300
commit47f08b96993831f4c51ed7cb07a86a97d4138d3f (patch)
tree332e7e0c0fc4ec2d04855521fad8e18dc59bb988 /fs/btrfs/ioctl.c
parent19aee8dea31fbaa5139968d20e36e1d78cbf30a0 (diff)
downloadlinux-47f08b96993831f4c51ed7cb07a86a97d4138d3f.tar.xz
btrfs: Use explicit round_down macro in btrfs resize ioctl handler
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>
Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 335e252a99f5..3e744dd17ac5 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -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);