Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 6 insertions, 26 deletions

diff --git a/fs/inode.c b/fs/inode.c
index d3ebdbe723d..9f4f5fecc09 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -2,29 +2,19 @@
  * (C) 1997 Linus Torvalds
  * (C) 1999 Andrea Arcangeli <andrea@suse.de> (dynamic inode allocation)
  */
+#include <linux/export.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
-#include <linux/dcache.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/writeback.h>
-#include <linux/module.h>
 #include <linux/backing-dev.h>
-#include <linux/wait.h>
-#include <linux/rwsem.h>
 #include <linux/hash.h>
 #include <linux/swap.h>
 #include <linux/security.h>
-#include <linux/pagemap.h>
 #include <linux/cdev.h>
 #include <linux/bootmem.h>
 #include <linux/fsnotify.h>
 #include <linux/mount.h>
-#include <linux/async.h>
 #include <linux/posix_acl.h>
 #include <linux/prefetch.h>
-#include <linux/ima.h>
-#include <linux/cred.h>
 #include <linux/buffer_head.h> /* for inode_has_buffers */
 #include <linux/ratelimit.h>
 #include "internal.h"
@@ -938,8 +928,7 @@ 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_mutex, &type->i_mutex_key)) {
 			/*
 			 * ensure nobody is actually holding i_mutex
 			 */
@@ -966,6 +955,7 @@ void unlock_new_inode(struct inode *inode)
 	spin_lock(&inode->i_lock);
 	WARN_ON(!(inode->i_state & I_NEW));
 	inode->i_state &= ~I_NEW;
+	smp_mb();
 	wake_up_bit(&inode->i_state, __I_NEW);
 	spin_unlock(&inode->i_lock);
 }
@@ -1369,17 +1359,6 @@ int generic_delete_inode(struct inode *inode)
 EXPORT_SYMBOL(generic_delete_inode);
 
 /*
- * Normal UNIX filesystem behaviour: delete the
- * inode when the usage count drops to zero, and
- * i_nlink is zero.
- */
-int generic_drop_inode(struct inode *inode)
-{
-	return !inode->i_nlink || inode_unhashed(inode);
-}
-EXPORT_SYMBOL_GPL(generic_drop_inode);
-
-/*
  * Called when we're dropping the last reference
  * to an inode.
  *
@@ -1510,9 +1489,10 @@ static int relatime_need_update(struct vfsmount *mnt, struct inode *inode,
  *	This function automatically handles read only file systems and media,
  *	as well as the "noatime" flag and inode specific "noatime" markers.
  */
-void touch_atime(struct vfsmount *mnt, struct dentry *dentry)
+void touch_atime(struct path *path)
 {
-	struct inode *inode = dentry->d_inode;
+	struct vfsmount *mnt = path->mnt;
+	struct inode *inode = path->dentry->d_inode;
 	struct timespec now;
 
 	if (inode->i_flags & S_NOATIME)