Merge tag 'exfat-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat

Pull exfat updates from Namjae Jeon:

 - Improve dirsync performance by syncing on a dentry-set rather than on
   a per-directory entry

* tag 'exfat-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
  exfat: remove duplicate update parent dir
  exfat: do not sync parent dir if just update timestamp
  exfat: remove unused functions
  exfat: convert exfat_find_empty_entry() to use dentry cache
  exfat: convert exfat_init_ext_entry() to use dentry cache
  exfat: move free cluster out of exfat_init_ext_entry()
  exfat: convert exfat_remove_entries() to use dentry cache
  exfat: convert exfat_add_entry() to use dentry cache
  exfat: add exfat_get_empty_dentry_set() helper
  exfat: add __exfat_get_dentry_set() helper

fs/exfat/exfat_fs.h

@@ -431,8 +431,6 @@ int exfat_ent_get(struct super_block *sb, unsigned int loc,
 		unsigned int *content);
 int exfat_ent_set(struct super_block *sb, unsigned int loc,
 		unsigned int content);
-int exfat_count_ext_entries(struct super_block *sb, struct exfat_chain *p_dir,
-		int entry, struct exfat_dentry *p_entry);
 int exfat_chain_cont_cluster(struct super_block *sb, unsigned int chain,
 		unsigned int len);
 int exfat_zeroed_cluster(struct inode *dir, unsigned int clu);
@@ -480,16 +478,14 @@ int exfat_get_cluster(struct inode *inode, unsigned int cluster,
 extern const struct inode_operations exfat_dir_inode_operations;
 extern const struct file_operations exfat_dir_operations;
 unsigned int exfat_get_entry_type(struct exfat_dentry *p_entry);
-int exfat_init_dir_entry(struct inode *inode, struct exfat_chain *p_dir,
-		int entry, unsigned int type, unsigned int start_clu,
-		unsigned long long size);
-int exfat_init_ext_entry(struct inode *inode, struct exfat_chain *p_dir,
-		int entry, int num_entries, struct exfat_uni_name *p_uniname);
-int exfat_remove_entries(struct inode *inode, struct exfat_chain *p_dir,
-		int entry, int order, int num_entries);
-int exfat_update_dir_chksum(struct inode *inode, struct exfat_chain *p_dir,
-		int entry);
-void exfat_update_dir_chksum_with_entry_set(struct exfat_entry_set_cache *es);
+void exfat_init_dir_entry(struct exfat_entry_set_cache *es,
+		unsigned int type, unsigned int start_clu,
+		unsigned long long size, struct timespec64 *ts);
+void exfat_init_ext_entry(struct exfat_entry_set_cache *es, int num_entries,
+		struct exfat_uni_name *p_uniname);
+void exfat_remove_entries(struct inode *inode, struct exfat_entry_set_cache *es,
+		int order);
+void exfat_update_dir_chksum(struct exfat_entry_set_cache *es);
 int exfat_calc_num_entries(struct exfat_uni_name *p_uniname);
 int exfat_find_dir_entry(struct super_block *sb, struct exfat_inode_info *ei,
 		struct exfat_chain *p_dir, struct exfat_uni_name *p_uniname,
@@ -501,7 +497,10 @@ struct exfat_dentry *exfat_get_dentry_cached(struct exfat_entry_set_cache *es,
 		int num);
 int exfat_get_dentry_set(struct exfat_entry_set_cache *es,
 		struct super_block *sb, struct exfat_chain *p_dir, int entry,
-		unsigned int type);
+		unsigned int num_entries);
+int exfat_get_empty_dentry_set(struct exfat_entry_set_cache *es,
+		struct super_block *sb, struct exfat_chain *p_dir, int entry,
+		unsigned int num_entries);
 int exfat_put_dentry_set(struct exfat_entry_set_cache *es, int sync);
 int exfat_count_dir_entries(struct super_block *sb, struct exfat_chain *p_dir);
 

fs/exfat/inode.c

@@ -94,7 +94,7 @@ int __exfat_write_inode(struct inode *inode, int sync)
 		ep2->dentry.stream.start_clu = EXFAT_FREE_CLUSTER;
 	}
 
-	exfat_update_dir_chksum_with_entry_set(&es);
+	exfat_update_dir_chksum(&es);
 	return exfat_put_dentry_set(&es, sync);
 }