1 files changed, 26 insertions, 20 deletions

diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index de43534aa299..573659bfbc55 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -309,7 +309,7 @@ const struct file_operations exfat_dir_operations = {
 	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
 	.iterate	= exfat_iterate,
-	.fsync		= generic_file_fsync,
+	.fsync		= exfat_file_fsync,
 };
 
 int exfat_alloc_new_dir(struct inode *inode, struct exfat_chain *clu)
@@ -425,10 +425,12 @@ static void exfat_init_name_entry(struct exfat_dentry *ep,
 	ep->dentry.name.flags = 0x0;
 
 	for (i = 0; i < EXFAT_FILE_NAME_LEN; i++) {
-		ep->dentry.name.unicode_0_14[i] = cpu_to_le16(*uniname);
-		if (*uniname == 0x0)
-			break;
-		uniname++;
+		if (*uniname != 0x0) {
+			ep->dentry.name.unicode_0_14[i] = cpu_to_le16(*uniname);
+			uniname++;
+		} else {
+			ep->dentry.name.unicode_0_14[i] = 0x0;
+		}
 	}
 }
 
@@ -468,7 +470,7 @@ int exfat_init_dir_entry(struct inode *inode, struct exfat_chain *p_dir,
 			&ep->dentry.file.access_date,
 			NULL);
 
-	exfat_update_bh(sb, bh, IS_DIRSYNC(inode));
+	exfat_update_bh(bh, IS_DIRSYNC(inode));
 	brelse(bh);
 
 	ep = exfat_get_dentry(sb, p_dir, entry + 1, &bh, &sector);
@@ -478,7 +480,7 @@ int exfat_init_dir_entry(struct inode *inode, struct exfat_chain *p_dir,
 	exfat_init_stream_entry(ep,
 		(type == TYPE_FILE) ? ALLOC_FAT_CHAIN : ALLOC_NO_FAT_CHAIN,
 		start_clu, size);
-	exfat_update_bh(sb, bh, IS_DIRSYNC(inode));
+	exfat_update_bh(bh, IS_DIRSYNC(inode));
 	brelse(bh);
 
 	return 0;
@@ -514,7 +516,7 @@ int exfat_update_dir_chksum(struct inode *inode, struct exfat_chain *p_dir,
 	}
 
 	fep->dentry.file.checksum = cpu_to_le16(chksum);
-	exfat_update_bh(sb, fbh, IS_DIRSYNC(inode));
+	exfat_update_bh(fbh, IS_DIRSYNC(inode));
 release_fbh:
 	brelse(fbh);
 	return ret;
@@ -536,7 +538,7 @@ int exfat_init_ext_entry(struct inode *inode, struct exfat_chain *p_dir,
 		return -EIO;
 
 	ep->dentry.file.num_ext = (unsigned char)(num_entries - 1);
-	exfat_update_bh(sb, bh, sync);
+	exfat_update_bh(bh, sync);
 	brelse(bh);
 
 	ep = exfat_get_dentry(sb, p_dir, entry + 1, &bh, &sector);
@@ -545,7 +547,7 @@ int exfat_init_ext_entry(struct inode *inode, struct exfat_chain *p_dir,
 
 	ep->dentry.stream.name_len = p_uniname->name_len;
 	ep->dentry.stream.name_hash = cpu_to_le16(p_uniname->name_hash);
-	exfat_update_bh(sb, bh, sync);
+	exfat_update_bh(bh, sync);
 	brelse(bh);
 
 	for (i = EXFAT_FIRST_CLUSTER; i < num_entries; i++) {
@@ -554,7 +556,7 @@ int exfat_init_ext_entry(struct inode *inode, struct exfat_chain *p_dir,
 			return -EIO;
 
 		exfat_init_name_entry(ep, uniname);
-		exfat_update_bh(sb, bh, sync);
+		exfat_update_bh(bh, sync);
 		brelse(bh);
 		uniname += EXFAT_FILE_NAME_LEN;
 	}
@@ -578,7 +580,7 @@ int exfat_remove_entries(struct inode *inode, struct exfat_chain *p_dir,
 			return -EIO;
 
 		exfat_set_entry_type(ep, TYPE_DELETED);
-		exfat_update_bh(sb, bh, IS_DIRSYNC(inode));
+		exfat_update_bh(bh, IS_DIRSYNC(inode));
 		brelse(bh);
 	}
 
@@ -602,16 +604,20 @@ void exfat_update_dir_chksum_with_entry_set(struct exfat_entry_set_cache *es)
 	es->modified = true;
 }
 
-void exfat_free_dentry_set(struct exfat_entry_set_cache *es, int sync)
+int exfat_free_dentry_set(struct exfat_entry_set_cache *es, int sync)
 {
-	int i;
+	int i, err = 0;
 
-	for (i = 0; i < es->num_bh; i++) {
-		if (es->modified)
-			exfat_update_bh(es->sb, es->bh[i], sync);
-		brelse(es->bh[i]);
-	}
+	if (es->modified)
+		err = exfat_update_bhs(es->bh, es->num_bh, sync);
+
+	for (i = 0; i < es->num_bh; i++)
+		if (err)
+			bforget(es->bh[i]);
+		else
+			brelse(es->bh[i]);
 	kfree(es);
+	return err;
 }
 
 static int exfat_walk_fat_chain(struct super_block *sb,
@@ -1110,7 +1116,7 @@ found:
 			ret = exfat_get_next_cluster(sb, &clu.dir);
 		}
 
-		if (ret || clu.dir != EXFAT_EOF_CLUSTER) {
+		if (ret || clu.dir == EXFAT_EOF_CLUSTER) {
 			/* just initialized hint_stat */
 			hint_stat->clu = p_dir->dir;
 			hint_stat->eidx = 0;