X-Git-Url: https://git.stricted.de/?a=blobdiff_plain;f=fs%2Finode.c;h=e177769f3b41ab33828c3a6899f3700036314484;hb=870f481793b585323fbda3e87c54efc116f46351;hp=7d3316527767ce9896f5d299d0bb18a7baea6538;hpb=38a9a621aba953ddb8051547e98c10ec3c741312;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

diff --git a/fs/inode.c b/fs/inode.c
index 7d3316527767..e177769f3b41 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -192,7 +192,7 @@ void inode_init_once(struct inode *inode)
 	INIT_HLIST_NODE(&inode->i_hash);
 	INIT_LIST_HEAD(&inode->i_dentry);
 	INIT_LIST_HEAD(&inode->i_devices);
-	sema_init(&inode->i_sem, 1);
+	mutex_init(&inode->i_mutex);
 	init_rwsem(&inode->i_alloc_sem);
 	INIT_RADIX_TREE(&inode->i_data.page_tree, GFP_ATOMIC);
 	rwlock_init(&inode->i_data.tree_lock);
@@ -770,7 +770,7 @@ EXPORT_SYMBOL(igrab);
  *
  * Note, @test is called with the inode_lock held, so can't sleep.
  */
-static inline struct inode *ifind(struct super_block *sb,
+static struct inode *ifind(struct super_block *sb,
 		struct hlist_head *head, int (*test)(struct inode *, void *),
 		void *data, const int wait)
 {
@@ -804,7 +804,7 @@ static inline struct inode *ifind(struct super_block *sb,
  *
  * Otherwise NULL is returned.
  */
-static inline struct inode *ifind_fast(struct super_block *sb,
+static struct inode *ifind_fast(struct super_block *sb,
 		struct hlist_head *head, unsigned long ino)
 {
 	struct inode *inode;
@@ -1088,6 +1088,7 @@ static void generic_forget_inode(struct inode *inode)
 	if (inode->i_data.nrpages)
 		truncate_inode_pages(&inode->i_data, 0);
 	clear_inode(inode);
+	wake_up_inode(inode);
 	destroy_inode(inode);
 }
 
@@ -1203,16 +1204,20 @@ void update_atime(struct inode *inode)
 EXPORT_SYMBOL(update_atime);
 
 /**
- *	inode_update_time	-	update mtime and ctime time
- *	@inode: inode accessed
- *	@ctime_too: update ctime too
+ *	file_update_time	-	update mtime and ctime time
+ *	@file: file accessed
  *
- *	Update the mtime time on an inode and mark it for writeback.
- *	When ctime_too is specified update the ctime too.
+ *	Update the mtime and ctime members of an inode and mark the inode
+ *	for writeback.  Note that this function is meant exclusively for
+ *	usage in the file write path of filesystems, and filesystems may
+ *	choose to explicitly ignore update via this function with the
+ *	S_NOCTIME inode flag, e.g. for network filesystem where these
+ *	timestamps are handled by the server.
  */
 
-void inode_update_time(struct inode *inode, int ctime_too)
+void file_update_time(struct file *file)
 {
+	struct inode *inode = file->f_dentry->d_inode;
 	struct timespec now;
 	int sync_it = 0;
 
@@ -1226,16 +1231,15 @@ void inode_update_time(struct inode *inode, int ctime_too)
 		sync_it = 1;
 	inode->i_mtime = now;
 
-	if (ctime_too) {
-		if (!timespec_equal(&inode->i_ctime, &now))
-			sync_it = 1;
-		inode->i_ctime = now;
-	}
+	if (!timespec_equal(&inode->i_ctime, &now))
+		sync_it = 1;
+	inode->i_ctime = now;
+
 	if (sync_it)
 		mark_inode_dirty_sync(inode);
 }
 
-EXPORT_SYMBOL(inode_update_time);
+EXPORT_SYMBOL(file_update_time);
 
 int inode_needs_sync(struct inode *inode)
 {