diff options
| -rw-r--r-- | fs/btrfs/btrfs_inode.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index 90e72031c724..9a4b7c119318 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -350,10 +350,12 @@ static inline void btrfs_set_first_dir_index_to_log(struct btrfs_inode *inode, WRITE_ONCE(inode->first_dir_index_to_log, index); } -static inline struct btrfs_inode *BTRFS_I(const struct inode *inode) -{ - return container_of(inode, struct btrfs_inode, vfs_inode); -} +/* Type checked and const-preserving VFS inode -> btrfs inode. */ +#define BTRFS_I(_inode) \ + _Generic(_inode, \ + struct inode *: container_of(_inode, struct btrfs_inode, vfs_inode), \ + const struct inode *: (const struct btrfs_inode *)container_of( \ + _inode, const struct btrfs_inode, vfs_inode)) static inline unsigned long btrfs_inode_hash(u64 objectid, const struct btrfs_root *root) |