staging: exfat: Clean up the namespace pollution part 3

These functions are only used in the local file, make them static
Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Link: https://lore.kernel.org/r/20191112211238.156490-8-Valdis.Kletnieks@vt.eduSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/exfat/exfat.h

@@ -758,8 +758,6 @@ void fs_set_vol_flags(struct super_block *sb, u32 new_flag);
 void fs_error(struct super_block *sb);
 
 /* cluster management functions */
-s32 clear_cluster(struct super_block *sb, u32 clu);
-u32 find_last_cluster(struct super_block *sb, struct chain_t *p_chain);
 s32 count_num_clusters(struct super_block *sb, struct chain_t *dir);
 void exfat_chain_cont_cluster(struct super_block *sb, u32 chain, s32 len);
 
@@ -782,8 +780,6 @@ void init_strm_entry(struct strm_dentry_t *ep, u8 flags, u32 start_clu,
 		     u64 size);
 void init_name_entry(struct name_dentry_t *ep, u16 *uniname);
 
-s32 find_location(struct super_block *sb, struct chain_t *p_dir, s32 entry,
-		  sector_t *sector, s32 *offset);
 struct dentry_t *get_entry_in_dir(struct super_block *sb, struct chain_t *p_dir,
 				  s32 entry, sector_t *sector);
 struct entry_set_cache_t *get_entry_set_in_dir(struct super_block *sb,
@@ -797,8 +793,6 @@ s32 write_partial_entries_in_entry_set(struct super_block *sb,
 				       struct dentry_t *ep, u32 count);
 s32 search_deleted_or_unused_entry(struct super_block *sb,
 				   struct chain_t *p_dir, s32 num_entries);
-s32 find_empty_entry(struct inode *inode, struct chain_t *p_dir,
-		     s32 num_entries);
 s32 count_dos_name_entries(struct super_block *sb, struct chain_t *p_dir,
 			   u32 type);
 void update_dir_checksum(struct super_block *sb, struct chain_t *p_dir,

drivers/staging/exfat/exfat_core.c

@@ -125,7 +125,7 @@ void fs_error(struct super_block *sb)
  *  Cluster Management Functions
  */
 
-s32 clear_cluster(struct super_block *sb, u32 clu)
+static s32 clear_cluster(struct super_block *sb, u32 clu)
 {
 	sector_t s, n;
 	s32 ret = 0;
@@ -294,7 +294,7 @@ static void exfat_free_cluster(struct super_block *sb, struct chain_t *p_chain,
 		p_fs->used_clusters -= num_clusters;
 }
 
-u32 find_last_cluster(struct super_block *sb, struct chain_t *p_chain)
+static u32 find_last_cluster(struct super_block *sb, struct chain_t *p_chain)
 {
 	u32 clu, next;
 	struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info);
@@ -1186,7 +1186,7 @@ static s32 _walk_fat_chain(struct super_block *sb, struct chain_t *p_dir,
 	return 0;
 }
 
-s32 find_location(struct super_block *sb, struct chain_t *p_dir, s32 entry,
+static s32 find_location(struct super_block *sb, struct chain_t *p_dir, s32 entry,
 		  sector_t *sector, s32 *offset)
 {
 	s32 off, ret;
@@ -1583,7 +1583,7 @@ s32 search_deleted_or_unused_entry(struct super_block *sb,
 	return -1;
 }
 
-s32 find_empty_entry(struct inode *inode, struct chain_t *p_dir, s32 num_entries)
+static s32 find_empty_entry(struct inode *inode, struct chain_t *p_dir, s32 num_entries)
 {
 	s32 ret, dentry;
 	u32 last_clu;