vfs: for usbfs, etc. internal vfsmounts ->mnt_sb->s_root == ->mnt_root
Al Viro [Wed, 7 Dec 2011 23:21:57 +0000 (18:21 -0500)]
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/ia64/kernel/perfmon.c
drivers/usb/core/inode.c
fs/configfs/dir.c
fs/debugfs/inode.c
fs/hppfs/hppfs.c
security/inode.c

index 89accc6..b2c65e0 100644 (file)
@@ -2228,7 +2228,7 @@ pfm_alloc_file(pfm_context_t *ctx)
        /*
         * allocate a new dcache entry
         */
-       path.dentry = d_alloc(pfmfs_mnt->mnt_sb->s_root, &this);
+       path.dentry = d_alloc(pfmfs_mnt->mnt_root, &this);
        if (!path.dentry) {
                iput(inode);
                return ERR_PTR(-ENOMEM);
index 2278dad..0a4613d 100644 (file)
@@ -501,7 +501,7 @@ static int fs_create_by_name (const char *name, mode_t mode,
         */
        if (!parent ) {
                if (usbfs_mount && usbfs_mount->mnt_sb) {
-                       parent = usbfs_mount->mnt_sb->s_root;
+                       parent = usbfs_mount->mnt_root;
                }
        }
 
@@ -608,7 +608,7 @@ static int create_special_files (void)
 
        ignore_mount = 0;
 
-       parent = usbfs_mount->mnt_sb->s_root;
+       parent = usbfs_mount->mnt_root;
        devices_usbfs_dentry = fs_create_file ("devices",
                                               listmode | S_IFREG, parent,
                                               NULL, &usbfs_devices_fops,
@@ -662,7 +662,7 @@ static void usbfs_add_bus(struct usb_bus *bus)
 
        sprintf (name, "%03d", bus->busnum);
 
-       parent = usbfs_mount->mnt_sb->s_root;
+       parent = usbfs_mount->mnt_root;
        bus->usbfs_dentry = fs_create_file (name, busmode | S_IFDIR, parent,
                                            bus, NULL, busuid, busgid);
        if (bus->usbfs_dentry == NULL) {
index 9a37a9b..36b1d7a 100644 (file)
@@ -312,7 +312,7 @@ static int configfs_create_dir(struct config_item * item, struct dentry *dentry)
        if (item->ci_parent)
                parent = item->ci_parent->ci_dentry;
        else if (configfs_mount && configfs_mount->mnt_sb)
-               parent = configfs_mount->mnt_sb->s_root;
+               parent = configfs_mount->mnt_root;
        else
                return -EFAULT;
 
index f3a257d..c9dc08d 100644 (file)
@@ -160,7 +160,7 @@ static int debugfs_create_by_name(const char *name, mode_t mode,
         * have around.
         */
        if (!parent)
-               parent = debugfs_mount->mnt_sb->s_root;
+               parent = debugfs_mount->mnt_root;
 
        *dentry = NULL;
        mutex_lock(&parent->d_inode->i_mutex);
index 30883a7..d92f4ce 100644 (file)
@@ -725,7 +725,7 @@ static int hppfs_fill_super(struct super_block *sb, void *d, int silent)
        sb->s_fs_info = proc_mnt;
 
        err = -ENOMEM;
-       root_inode = get_inode(sb, dget(proc_mnt->mnt_sb->s_root));
+       root_inode = get_inode(sb, dget(proc_mnt->mnt_root));
        if (!root_inode)
                goto out_mntput;
 
index c4df2fb..a67004f 100644 (file)
@@ -159,7 +159,7 @@ static int create_by_name(const char *name, mode_t mode,
         * have around.
         */
        if (!parent)
-               parent = mount->mnt_sb->s_root;
+               parent = mount->mnt_root;
 
        mutex_lock(&parent->d_inode->i_mutex);
        *dentry = lookup_one_len(name, parent, strlen(name));