Move btrfs_extref_hash() from inode-item.c to hash.h,
so that the function can be called elsewhere.
Signed-off-by: Lu Fengqi <lufq.f...@cn.fujitsu.com>
Signed-off-by: Qu Wenruo <quwen...@cn.fujitsu.com>
---
hash.h | 10 ++++++++++
inode-item.c | 8 +-------
2 files changed, 11 insertions(+), 7 deletions(-)
diff --git a/hash.h b/hash.h
index ac4c411..9ff6761 100644
--- a/hash.h
+++ b/hash.h
@@ -25,4 +25,14 @@ static inline u64 btrfs_name_hash(const char *name, int len)
{
return crc32c((u32)~1, name, len);
}
+
+/*
+ * 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)btrfs_crc32c(parent_objectid, name, len);
+}
+
#endif
diff --git a/inode-item.c b/inode-item.c
index 522d25a..df5011e 100644
--- a/inode-item.c
+++ b/inode-item.c
@@ -19,7 +19,7 @@
#include "ctree.h"
#include "disk-io.h"
#include "transaction.h"
-#include "crc32c.h"
+#include "hash.h"
static int find_name_in_backref(struct btrfs_path *path, const char * name,
int name_len, struct btrfs_inode_ref **ref_ret)
@@ -184,12 +184,6 @@ out:
return ret_inode_ref;
}
-static inline u64 btrfs_extref_hash(u64 parent_ino, const char *name,
- int namelen)
-{
- return (u64)btrfs_crc32c(parent_ino, name, namelen);
-}
-
static int btrfs_find_name_in_ext_backref(struct btrfs_path *path,
u64 parent_ino, const char *name, int namelen,
struct btrfs_inode_extref **extref_ret)
--
2.7.4
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