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-rw-r--r--fs/btrfs/inode-item.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/inode-item.h b/fs/btrfs/inode-item.h
index ede43b6c65..4337bb26f4 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;
@@ -12,6 +13,7 @@ struct btrfs_key;
struct btrfs_inode_extref;
struct btrfs_inode;
struct extent_buffer;
+struct fscrypt_str;
/*
* Return this if we need to call truncate_block for the last bit of the
@@ -76,6 +78,12 @@ 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);