ALSA: hda - Line In for Acer Inspire 6530G model

[linux.git] / fs / inode.c

diff --git a/fs/inode.c b/fs/inode.c
index f643be565df8e403a0fc807c4d1af554004c0d62..901bad1e5f1210cce8f2bc2a474345f5b1a4072a 100644 (file)
--- 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
        /*