diff options
Diffstat (limited to 'fs/btrfs/inode-item.h')
| -rw-r--r-- | fs/btrfs/inode-item.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/inode-item.h b/fs/btrfs/inode-item.h index ede43b6c6559..f50cf6cc160e 100644 --- a/fs/btrfs/inode-item.h +++ b/fs/btrfs/inode-item.h @@ -4,6 +4,7 @@ #define BTRFS_INODE_ITEM_H #include <linux/types.h> +#include <linux/crc32c.h> struct btrfs_trans_handle; struct btrfs_root; @@ -76,6 +77,12 @@ static inline void btrfs_inode_split_flags(u64 inode_item_flags, *ro_flags = (u32)(inode_item_flags >> 32); } +/* Figure the key offset of an extended inode ref. */ +static inline u64 btrfs_extref_hash(u64 parent_objectid, const char *name, int len) +{ + return (u64)crc32c(parent_objectid, name, len); +} + int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_truncate_control *control); |