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btrfs: use __u16 for the return value of btrfs_qgroup_level()

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The qgroup level is limited to u16, so no need to use u64 for it.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo
2020-06-28 13:07:14 +08:00
committed by David Sterba
parent cfdd459215
commit 06f67c4707
2 changed files with 3 additions and 3 deletions
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4
include/uapi/linux/btrfs_tree.h
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@@ -913,9 +913,9 @@ struct btrfs_free_space_info {
#define BTRFS_FREE_SPACE_USING_BITMAPS (1ULL << 0)
#define BTRFS_QGROUP_LEVEL_SHIFT 48
static inline __u64 btrfs_qgroup_level(__u64 qgroupid)
static inline __u16 btrfs_qgroup_level(__u64 qgroupid)
{
return qgroupid >> BTRFS_QGROUP_LEVEL_SHIFT;
return (__u16)(qgroupid >> BTRFS_QGROUP_LEVEL_SHIFT);
}
/*