1 files changed, 23 insertions, 25 deletions

diff --git a/fs/namei.c b/fs/namei.c
index 199317642ad6..d040ce11785d 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1473,7 +1473,7 @@ int vfs_create(struct inode *dir, struct dentry *dentry, int mode,
         error = security_inode_create(dir, dentry, mode);
         if (error)
                 return error;
-        DQUOT_INIT(dir);
+        vfs_dq_init(dir);
         error = dir->i_op->create(dir, dentry, mode, nd);
         if (!error)
                 fsnotify_create(dir, dentry);
@@ -1489,24 +1489,22 @@ int may_open(struct path *path, int acc_mode, int flag)
         if (!inode)
                 return -ENOENT;
 
-        if (S_ISLNK(inode->i_mode))
+        switch (inode->i_mode & S_IFMT) {
+        case S_IFLNK:
                 return -ELOOP;
-        
-        if (S_ISDIR(inode->i_mode) && (acc_mode & MAY_WRITE))
-                return -EISDIR;
-
-        /*
-         * FIFO's, sockets and device files are special: they don't
-         * actually live on the filesystem itself, and as such you
-         * can write to them even if the filesystem is read-only.
-         */
-        if (S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
-                flag &= ~O_TRUNC;
-        } else if (S_ISBLK(inode->i_mode) || S_ISCHR(inode->i_mode)) {
+        case S_IFDIR:
+                if (acc_mode & MAY_WRITE)
+                        return -EISDIR;
+                break;
+        case S_IFBLK:
+        case S_IFCHR:
                 if (path->mnt->mnt_flags & MNT_NODEV)
                         return -EACCES;
-
+                /*FALLTHRU*/
+        case S_IFIFO:
+        case S_IFSOCK:
                 flag &= ~O_TRUNC;
+                break;
         }
 
         error = inode_permission(inode, acc_mode);
@@ -1552,7 +1550,7 @@ int may_open(struct path *path, int acc_mode, int flag)
                         error = security_path_truncate(path, 0,
                                                ATTR_MTIME|ATTR_CTIME|ATTR_OPEN);
                 if (!error) {
-                        DQUOT_INIT(inode);
+                        vfs_dq_init(inode);
 
                         error = do_truncate(dentry, 0,
                                             ATTR_MTIME|ATTR_CTIME|ATTR_OPEN,
@@ -1563,7 +1561,7 @@ int may_open(struct path *path, int acc_mode, int flag)
                         return error;
         } else
                 if (flag & FMODE_WRITE)
-                        DQUOT_INIT(inode);
+                        vfs_dq_init(inode);
 
         return 0;
 }
@@ -1946,7 +1944,7 @@ int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
         if (error)
                 return error;
 
-        DQUOT_INIT(dir);
+        vfs_dq_init(dir);
         error = dir->i_op->mknod(dir, dentry, mode, dev);
         if (!error)
                 fsnotify_create(dir, dentry);
@@ -2045,7 +2043,7 @@ int vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
         if (error)
                 return error;
 
-        DQUOT_INIT(dir);
+        vfs_dq_init(dir);
         error = dir->i_op->mkdir(dir, dentry, mode);
         if (!error)
                 fsnotify_mkdir(dir, dentry);
@@ -2131,7 +2129,7 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry)
         if (!dir->i_op->rmdir)
                 return -EPERM;
 
-        DQUOT_INIT(dir);
+        vfs_dq_init(dir);
 
         mutex_lock(&dentry->d_inode->i_mutex);
         dentry_unhash(dentry);
@@ -2218,7 +2216,7 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry)
         if (!dir->i_op->unlink)
                 return -EPERM;
 
-        DQUOT_INIT(dir);
+        vfs_dq_init(dir);
 
         mutex_lock(&dentry->d_inode->i_mutex);
         if (d_mountpoint(dentry))
@@ -2329,7 +2327,7 @@ int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname)
         if (error)
                 return error;
 
-        DQUOT_INIT(dir);
+        vfs_dq_init(dir);
         error = dir->i_op->symlink(dir, dentry, oldname);
         if (!error)
                 fsnotify_create(dir, dentry);
@@ -2413,7 +2411,7 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de
                 return error;
 
         mutex_lock(&inode->i_mutex);
-        DQUOT_INIT(dir);
+        vfs_dq_init(dir);
         error = dir->i_op->link(old_dentry, dir, new_dentry);
         mutex_unlock(&inode->i_mutex);
         if (!error)
@@ -2612,8 +2610,8 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
         if (!old_dir->i_op->rename)
                 return -EPERM;
 
-        DQUOT_INIT(old_dir);
-        DQUOT_INIT(new_dir);
+        vfs_dq_init(old_dir);
+        vfs_dq_init(new_dir);
 
         old_name = fsnotify_oldname_init(old_dentry->d_name.name);