Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull fourth vfs update from Al Viro:
 "d_inode() annotations from David Howells (sat in for-next since before
  the beginning of merge window) + four assorted fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  RCU pathwalk breakage when running into a symlink overmounting something
  fix I_DIO_WAKEUP definition
  direct-io: only inc/dec inode->i_dio_count for file systems
  fs/9p: fix readdir()
  VFS: assorted d_backing_inode() annotations
  VFS: fs/inode.c helpers: d_inode() annotations
  VFS: fs/cachefiles: d_backing_inode() annotations
  VFS: fs library helpers: d_inode() annotations
  VFS: assorted weird filesystems: d_inode() annotations
  VFS: normal filesystems (and lustre): d_inode() annotations
  VFS: security/: d_inode() annotations
  VFS: security/: d_backing_inode() annotations
  VFS: net/: d_inode() annotations
  VFS: net/unix: d_backing_inode() annotations
  VFS: kernel/: d_inode() annotations
  VFS: audit: d_backing_inode() annotations
  VFS: Fix up some ->d_inode accesses in the chelsio driver
  VFS: Cachefiles should perform fs modifications on the top layer only
  VFS: AF_UNIX sockets should call mknod on the top layer only

1 files changed, 16 insertions, 16 deletions

diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index 25798db14553..68f03141e432 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -157,10 +157,10 @@ static int dev_mkdir(const char *name, umode_t mode)
 	if (IS_ERR(dentry))
 		return PTR_ERR(dentry);
 
-	err = vfs_mkdir(path.dentry->d_inode, dentry, mode);
+	err = vfs_mkdir(d_inode(path.dentry), dentry, mode);
 	if (!err)
 		/* mark as kernel-created inode */
-		dentry->d_inode->i_private = &thread;
+		d_inode(dentry)->i_private = &thread;
 	done_path_create(&path, dentry);
 	return err;
 }
@@ -207,7 +207,7 @@ static int handle_create(const char *nodename, umode_t mode, kuid_t uid,
 	if (IS_ERR(dentry))
 		return PTR_ERR(dentry);
 
-	err = vfs_mknod(path.dentry->d_inode, dentry, mode, dev->devt);
+	err = vfs_mknod(d_inode(path.dentry), dentry, mode, dev->devt);
 	if (!err) {
 		struct iattr newattrs;
 
@@ -215,12 +215,12 @@ static int handle_create(const char *nodename, umode_t mode, kuid_t uid,
 		newattrs.ia_uid = uid;
 		newattrs.ia_gid = gid;
 		newattrs.ia_valid = ATTR_MODE|ATTR_UID|ATTR_GID;
-		mutex_lock(&dentry->d_inode->i_mutex);
+		mutex_lock(&d_inode(dentry)->i_mutex);
 		notify_change(dentry, &newattrs, NULL);
-		mutex_unlock(&dentry->d_inode->i_mutex);
+		mutex_unlock(&d_inode(dentry)->i_mutex);
 
 		/* mark as kernel-created inode */
-		dentry->d_inode->i_private = &thread;
+		d_inode(dentry)->i_private = &thread;
 	}
 	done_path_create(&path, dentry);
 	return err;
@@ -235,16 +235,16 @@ static int dev_rmdir(const char *name)
 	dentry = kern_path_locked(name, &parent);
 	if (IS_ERR(dentry))
 		return PTR_ERR(dentry);
-	if (dentry->d_inode) {
-		if (dentry->d_inode->i_private == &thread)
-			err = vfs_rmdir(parent.dentry->d_inode, dentry);
+	if (d_really_is_positive(dentry)) {
+		if (d_inode(dentry)->i_private == &thread)
+			err = vfs_rmdir(d_inode(parent.dentry), dentry);
 		else
 			err = -EPERM;
 	} else {
 		err = -ENOENT;
 	}
 	dput(dentry);
-	mutex_unlock(&parent.dentry->d_inode->i_mutex);
+	mutex_unlock(&d_inode(parent.dentry)->i_mutex);
 	path_put(&parent);
 	return err;
 }
@@ -306,11 +306,11 @@ static int handle_remove(const char *nodename, struct device *dev)
 	if (IS_ERR(dentry))
 		return PTR_ERR(dentry);
 
-	if (dentry->d_inode) {
+	if (d_really_is_positive(dentry)) {
 		struct kstat stat;
 		struct path p = {.mnt = parent.mnt, .dentry = dentry};
 		err = vfs_getattr(&p, &stat);
-		if (!err && dev_mynode(dev, dentry->d_inode, &stat)) {
+		if (!err && dev_mynode(dev, d_inode(dentry), &stat)) {
 			struct iattr newattrs;
 			/*
 			 * before unlinking this node, reset permissions
@@ -321,10 +321,10 @@ static int handle_remove(const char *nodename, struct device *dev)
 			newattrs.ia_mode = stat.mode & ~0777;
 			newattrs.ia_valid =
 				ATTR_UID|ATTR_GID|ATTR_MODE;
-			mutex_lock(&dentry->d_inode->i_mutex);
+			mutex_lock(&d_inode(dentry)->i_mutex);
 			notify_change(dentry, &newattrs, NULL);
-			mutex_unlock(&dentry->d_inode->i_mutex);
-			err = vfs_unlink(parent.dentry->d_inode, dentry, NULL);
+			mutex_unlock(&d_inode(dentry)->i_mutex);
+			err = vfs_unlink(d_inode(parent.dentry), dentry, NULL);
 			if (!err || err == -ENOENT)
 				deleted = 1;
 		}
@@ -332,7 +332,7 @@ static int handle_remove(const char *nodename, struct device *dev)
 		err = -ENOENT;
 	}
 	dput(dentry);
-	mutex_unlock(&parent.dentry->d_inode->i_mutex);
+	mutex_unlock(&d_inode(parent.dentry)->i_mutex);
 
 	path_put(&parent);
 	if (deleted && strchr(nodename, '/'))