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, 24 insertions, 24 deletions

diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index e7ca827d7694..80021c709af9 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -127,7 +127,7 @@ static inline int ncp_case_sensitive(const struct inode *i)
 static int 
 ncp_hash_dentry(const struct dentry *dentry, struct qstr *this)
 {
-	struct inode *inode = ACCESS_ONCE(dentry->d_inode);
+	struct inode *inode = d_inode_rcu(dentry);
 
 	if (!inode)
 		return 0;
@@ -162,7 +162,7 @@ ncp_compare_dentry(const struct dentry *parent, const struct dentry *dentry,
 	if (len != name->len)
 		return 1;
 
-	pinode = ACCESS_ONCE(parent->d_inode);
+	pinode = d_inode_rcu(parent);
 	if (!pinode)
 		return 1;
 
@@ -180,7 +180,7 @@ ncp_compare_dentry(const struct dentry *parent, const struct dentry *dentry,
 static int
 ncp_delete_dentry(const struct dentry * dentry)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = d_inode(dentry);
 
 	if (inode) {
 		if (is_bad_inode(inode))
@@ -224,7 +224,7 @@ ncp_force_unlink(struct inode *dir, struct dentry* dentry)
 	memset(&info, 0, sizeof(info));
 	
         /* remove the Read-Only flag on the NW server */
-	inode = dentry->d_inode;
+	inode = d_inode(dentry);
 
 	old_nwattr = NCP_FINFO(inode)->nwattr;
 	info.attributes = old_nwattr & ~(aRONLY|aDELETEINHIBIT|aRENAMEINHIBIT);
@@ -254,7 +254,7 @@ ncp_force_rename(struct inode *old_dir, struct dentry* old_dentry, char *_old_na
 {
 	struct nw_modify_dos_info info;
         int res=0x90,res2;
-	struct inode *old_inode = old_dentry->d_inode;
+	struct inode *old_inode = d_inode(old_dentry);
 	__le32 old_nwattr = NCP_FINFO(old_inode)->nwattr;
 	__le32 new_nwattr = 0; /* shut compiler warning */
 	int old_nwattr_changed = 0;
@@ -268,8 +268,8 @@ ncp_force_rename(struct inode *old_dir, struct dentry* old_dentry, char *_old_na
 	res2 = ncp_modify_file_or_subdir_dos_info_path(NCP_SERVER(old_inode), old_inode, NULL, DM_ATTRIBUTES, &info);
 	if (!res2)
 		old_nwattr_changed = 1;
-	if (new_dentry && new_dentry->d_inode) {
-		new_nwattr = NCP_FINFO(new_dentry->d_inode)->nwattr;
+	if (new_dentry && d_really_is_positive(new_dentry)) {
+		new_nwattr = NCP_FINFO(d_inode(new_dentry))->nwattr;
 		info.attributes = new_nwattr & ~(aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT);
 		res2 = ncp_modify_file_or_subdir_dos_info_path(NCP_SERVER(new_dir), new_dir, _new_name, DM_ATTRIBUTES, &info);
 		if (!res2)
@@ -324,9 +324,9 @@ ncp_lookup_validate(struct dentry *dentry, unsigned int flags)
 		return -ECHILD;
 
 	parent = dget_parent(dentry);
-	dir = parent->d_inode;
+	dir = d_inode(parent);
 
-	if (!dentry->d_inode)
+	if (d_really_is_negative(dentry))
 		goto finished;
 
 	server = NCP_SERVER(dir);
@@ -367,7 +367,7 @@ ncp_lookup_validate(struct dentry *dentry, unsigned int flags)
 	 * what we remember, it's not valid any more.
 	 */
 	if (!res) {
-		struct inode *inode = dentry->d_inode;
+		struct inode *inode = d_inode(dentry);
 
 		mutex_lock(&inode->i_mutex);
 		if (finfo.i.dirEntNum == NCP_FINFO(inode)->dirEntNum) {
@@ -388,7 +388,7 @@ finished:
 
 static time_t ncp_obtain_mtime(struct dentry *dentry)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = d_inode(dentry);
 	struct ncp_server *server = NCP_SERVER(inode);
 	struct nw_info_struct i;
 
@@ -404,7 +404,7 @@ static time_t ncp_obtain_mtime(struct dentry *dentry)
 static inline void
 ncp_invalidate_dircache_entries(struct dentry *parent)
 {
-	struct ncp_server *server = NCP_SERVER(parent->d_inode);
+	struct ncp_server *server = NCP_SERVER(d_inode(parent));
 	struct dentry *dentry;
 
 	spin_lock(&parent->d_lock);
@@ -418,7 +418,7 @@ ncp_invalidate_dircache_entries(struct dentry *parent)
 static int ncp_readdir(struct file *file, struct dir_context *ctx)
 {
 	struct dentry *dentry = file->f_path.dentry;
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = d_inode(dentry);
 	struct page *page = NULL;
 	struct ncp_server *server = NCP_SERVER(inode);
 	union  ncp_dir_cache *cache = NULL;
@@ -491,13 +491,13 @@ static int ncp_readdir(struct file *file, struct dir_context *ctx)
 				goto invalid_cache;
 			}
 			spin_unlock(&dentry->d_lock);
-			if (!dent->d_inode) {
+			if (d_really_is_negative(dent)) {
 				dput(dent);
 				goto invalid_cache;
 			}
 			over = !dir_emit(ctx, dent->d_name.name,
 					dent->d_name.len,
-					dent->d_inode->i_ino, DT_UNKNOWN);
+					d_inode(dent)->i_ino, DT_UNKNOWN);
 			dput(dent);
 			if (over)
 				goto finished;
@@ -571,7 +571,7 @@ static void ncp_d_prune(struct dentry *dentry)
 {
 	if (!dentry->d_fsdata)	/* not referenced from page cache */
 		return;
-	NCP_FINFO(dentry->d_parent->d_inode)->flags &= ~NCPI_DIR_CACHE;
+	NCP_FINFO(d_inode(dentry->d_parent))->flags &= ~NCPI_DIR_CACHE;
 }
 
 static int
@@ -580,7 +580,7 @@ ncp_fill_cache(struct file *file, struct dir_context *ctx,
 		int inval_childs)
 {
 	struct dentry *newdent, *dentry = file->f_path.dentry;
-	struct inode *dir = dentry->d_inode;
+	struct inode *dir = d_inode(dentry);
 	struct ncp_cache_control ctl = *ctrl;
 	struct qstr qname;
 	int valid = 0;
@@ -621,7 +621,7 @@ ncp_fill_cache(struct file *file, struct dir_context *ctx,
 		dentry_update_name_case(newdent, &qname);
 	}
 
-	if (!newdent->d_inode) {
+	if (d_really_is_negative(newdent)) {
 		struct inode *inode;
 
 		entry->opened = 0;
@@ -637,7 +637,7 @@ ncp_fill_cache(struct file *file, struct dir_context *ctx,
 			spin_unlock(&dentry->d_lock);
 		}
 	} else {
-		struct inode *inode = newdent->d_inode;
+		struct inode *inode = d_inode(newdent);
 
 		mutex_lock_nested(&inode->i_mutex, I_MUTEX_CHILD);
 		ncp_update_inode2(inode, entry);
@@ -659,10 +659,10 @@ ncp_fill_cache(struct file *file, struct dir_context *ctx,
 			ctl.cache = kmap(ctl.page);
 	}
 	if (ctl.cache) {
-		if (newdent->d_inode) {
+		if (d_really_is_positive(newdent)) {
 			newdent->d_fsdata = newdent;
 			ctl.cache->dentry[ctl.idx] = newdent;
-			ino = newdent->d_inode->i_ino;
+			ino = d_inode(newdent)->i_ino;
 			ncp_new_dentry(newdent);
 		}
  		valid = 1;
@@ -807,7 +807,7 @@ int ncp_conn_logged_in(struct super_block *sb)
 		}
 		dent = sb->s_root;
 		if (dent) {
-			struct inode* ino = dent->d_inode;
+			struct inode* ino = d_inode(dent);
 			if (ino) {
 				ncp_update_known_namespace(server, volNumber, NULL);
 				NCP_FINFO(ino)->volNumber = volNumber;
@@ -815,7 +815,7 @@ int ncp_conn_logged_in(struct super_block *sb)
 				NCP_FINFO(ino)->DosDirNum = DosDirNum;
 				result = 0;
 			} else {
-				ncp_dbg(1, "sb->s_root->d_inode == NULL!\n");
+				ncp_dbg(1, "d_inode(sb->s_root) == NULL!\n");
 			}
 		} else {
 			ncp_dbg(1, "sb->s_root == NULL!\n");
@@ -1055,7 +1055,7 @@ out:
 
 static int ncp_unlink(struct inode *dir, struct dentry *dentry)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = d_inode(dentry);
 	struct ncp_server *server;
 	int error;