1 files changed, 9 insertions, 8 deletions

diff --git a/fs/inode.c b/fs/inode.c
index 69b8b526c194..4ccbc21b30ce 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -151,6 +151,7 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
 	inode->i_bdev = NULL;
 	inode->i_cdev = NULL;
 	inode->i_link = NULL;
+	inode->i_dir_seq = 0;
 	inode->i_rdev = 0;
 	inode->dirtied_when = 0;
 
@@ -165,8 +166,8 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
 	spin_lock_init(&inode->i_lock);
 	lockdep_set_class(&inode->i_lock, &sb->s_type->i_lock_key);
 
-	mutex_init(&inode->i_mutex);
-	lockdep_set_class(&inode->i_mutex, &sb->s_type->i_mutex_key);
+	init_rwsem(&inode->i_rwsem);
+	lockdep_set_class(&inode->i_rwsem, &sb->s_type->i_mutex_key);
 
 	atomic_set(&inode->i_dio_count, 0);
 
@@ -238,9 +239,9 @@ void __destroy_inode(struct inode *inode)
 	}
 
 #ifdef CONFIG_FS_POSIX_ACL
-	if (inode->i_acl && inode->i_acl != ACL_NOT_CACHED)
+	if (inode->i_acl && !is_uncached_acl(inode->i_acl))
 		posix_acl_release(inode->i_acl);
-	if (inode->i_default_acl && inode->i_default_acl != ACL_NOT_CACHED)
+	if (inode->i_default_acl && !is_uncached_acl(inode->i_default_acl))
 		posix_acl_release(inode->i_default_acl);
 #endif
 	this_cpu_dec(nr_inodes);
@@ -924,13 +925,13 @@ void lockdep_annotate_inode_mutex_key(struct inode *inode)
 		struct file_system_type *type = inode->i_sb->s_type;
 
 		/* Set new key only if filesystem hasn't already changed it */
-		if (lockdep_match_class(&inode->i_mutex, &type->i_mutex_key)) {
+		if (lockdep_match_class(&inode->i_rwsem, &type->i_mutex_key)) {
 			/*
 			 * ensure nobody is actually holding i_mutex
 			 */
-			mutex_destroy(&inode->i_mutex);
-			mutex_init(&inode->i_mutex);
-			lockdep_set_class(&inode->i_mutex,
+			// mutex_destroy(&inode->i_mutex);
+			init_rwsem(&inode->i_rwsem);
+			lockdep_set_class(&inode->i_rwsem,
 					  &type->i_mutex_dir_key);
 		}
 	}