From 1b9e6a15bcc9abd5e6d641a29b82aad5d8e801d8 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@toxicpanda.com>
Date: Fri, 25 Aug 2023 16:19:22 -0400
Subject: [PATCH] btrfs: move btrfs_name_hash to dir-item.h

This is related to the name hashing for dir items, move it into
dir-item.h.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/ctree.h        | 5 -----
 fs/btrfs/dir-item.h     | 7 +++++++
 fs/btrfs/props.c        | 1 +
 fs/btrfs/tree-checker.c | 1 +
 4 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 7b8e52fd6d99..9c2e96b8711f 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -470,11 +470,6 @@ static inline u32 BTRFS_MAX_XATTR_SIZE(const struct btrfs_fs_info *info)
 #define BTRFS_BYTES_TO_BLKS(fs_info, bytes) \
 				((bytes) >> (fs_info)->sectorsize_bits)
 
-static inline u64 btrfs_name_hash(const char *name, int len)
-{
-       return crc32c((u32)~1, name, len);
-}
-
 static inline gfp_t btrfs_alloc_write_mask(struct address_space *mapping)
 {
 	return mapping_gfp_constraint(mapping, ~__GFP_FS);
diff --git a/fs/btrfs/dir-item.h b/fs/btrfs/dir-item.h
index aab4b7cc7fa0..5db2ea0dfd76 100644
--- a/fs/btrfs/dir-item.h
+++ b/fs/btrfs/dir-item.h
@@ -3,6 +3,8 @@
 #ifndef BTRFS_DIR_ITEM_H
 #define BTRFS_DIR_ITEM_H
 
+#include <linux/crc32c.h>
+
 int btrfs_check_dir_item_collision(struct btrfs_root *root, u64 dir,
 			  const struct fscrypt_str *name);
 int btrfs_insert_dir_item(struct btrfs_trans_handle *trans,
@@ -39,4 +41,9 @@ struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_fs_info *fs_info,
 						 const char *name,
 						 int name_len);
 
+static inline u64 btrfs_name_hash(const char *name, int len)
+{
+       return crc32c((u32)~1, name, len);
+}
+
 #endif
diff --git a/fs/btrfs/props.c b/fs/btrfs/props.c
index 0755af0e53e3..f9bf591a0718 100644
--- a/fs/btrfs/props.c
+++ b/fs/btrfs/props.c
@@ -15,6 +15,7 @@
 #include "fs.h"
 #include "accessors.h"
 #include "super.h"
+#include "dir-item.h"
 
 #define BTRFS_PROP_HANDLERS_HT_BITS 8
 static DEFINE_HASHTABLE(prop_handlers_ht, BTRFS_PROP_HANDLERS_HT_BITS);
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
index ab08a0b01311..8ad92aa43924 100644
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -29,6 +29,7 @@
 #include "accessors.h"
 #include "file-item.h"
 #include "inode-item.h"
+#include "dir-item.h"
 
 /*
  * Error message should follow the following format: