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-rw-r--r--fs/inode.c27
1 files changed, 21 insertions, 6 deletions
diff --git a/fs/inode.c b/fs/inode.c
index f643be5..901bad1 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -25,6 +25,7 @@
#include <linux/fsnotify.h>
#include <linux/mount.h>
#include <linux/async.h>
+#include <linux/posix_acl.h>
/*
* This is needed for the following functions:
@@ -189,6 +190,9 @@ struct inode *inode_init_always(struct super_block *sb, struct inode *inode)
}
inode->i_private = NULL;
inode->i_mapping = mapping;
+#ifdef CONFIG_FS_POSIX_ACL
+ inode->i_acl = inode->i_default_acl = ACL_NOT_CACHED;
+#endif
#ifdef CONFIG_FSNOTIFY
inode->i_fsnotify_mask = 0;
@@ -227,6 +231,12 @@ void destroy_inode(struct inode *inode)
ima_inode_free(inode);
security_inode_free(inode);
fsnotify_inode_delete(inode);
+#ifdef CONFIG_FS_POSIX_ACL
+ if (inode->i_acl && inode->i_acl != ACL_NOT_CACHED)
+ posix_acl_release(inode->i_acl);
+ if (inode->i_default_acl && inode->i_default_acl != ACL_NOT_CACHED)
+ posix_acl_release(inode->i_default_acl);
+#endif
if (inode->i_sb->s_op->destroy_inode)
inode->i_sb->s_op->destroy_inode(inode);
else
@@ -665,12 +675,17 @@ void unlock_new_inode(struct inode *inode)
if (inode->i_mode & S_IFDIR) {
struct file_system_type *type = inode->i_sb->s_type;
- /*
- * ensure nobody is actually holding i_mutex
- */
- mutex_destroy(&inode->i_mutex);
- mutex_init(&inode->i_mutex);
- lockdep_set_class(&inode->i_mutex, &type->i_mutex_dir_key);
+ /* Set new key only if filesystem hasn't already changed it */
+ if (!lockdep_match_class(&inode->i_mutex,
+ &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,
+ &type->i_mutex_dir_key);
+ }
}
#endif
/*
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