diff options
Diffstat (limited to 'fs/notify/inode_mark.c')
-rw-r--r-- | fs/notify/inode_mark.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c deleted file mode 100644 index 5cc317bad082..000000000000 --- a/fs/notify/inode_mark.c +++ /dev/null @@ -1,88 +0,0 @@ -/* - * Copyright (C) 2008 Red Hat, Inc., Eric Paris <eparis@redhat.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/fs.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/mutex.h> -#include <linux/spinlock.h> - -#include <linux/atomic.h> - -#include <linux/fsnotify_backend.h> -#include "fsnotify.h" - -#include "../internal.h" - -/** - * fsnotify_unmount_inodes - an sb is unmounting. handle any watched inodes. - * @sb: superblock being unmounted. - * - * Called during unmount with no locks held, so needs to be safe against - * concurrent modifiers. We temporarily drop sb->s_inode_list_lock and CAN block. - */ -void fsnotify_unmount_inodes(struct super_block *sb) -{ - struct inode *inode, *iput_inode = NULL; - - spin_lock(&sb->s_inode_list_lock); - list_for_each_entry(inode, &sb->s_inodes, i_sb_list) { - /* - * We cannot __iget() an inode in state I_FREEING, - * I_WILL_FREE, or I_NEW which is fine because by that point - * the inode cannot have any associated watches. - */ - spin_lock(&inode->i_lock); - if (inode->i_state & (I_FREEING|I_WILL_FREE|I_NEW)) { - spin_unlock(&inode->i_lock); - continue; - } - - /* - * If i_count is zero, the inode cannot have any watches and - * doing an __iget/iput with MS_ACTIVE clear would actually - * evict all inodes with zero i_count from icache which is - * unnecessarily violent and may in fact be illegal to do. - */ - if (!atomic_read(&inode->i_count)) { - spin_unlock(&inode->i_lock); - continue; - } - - __iget(inode); - spin_unlock(&inode->i_lock); - spin_unlock(&sb->s_inode_list_lock); - - if (iput_inode) - iput(iput_inode); - - /* for each watch, send FS_UNMOUNT and then remove it */ - fsnotify(inode, FS_UNMOUNT, inode, FSNOTIFY_EVENT_INODE, NULL, 0); - - fsnotify_inode_delete(inode); - - iput_inode = inode; - - spin_lock(&sb->s_inode_list_lock); - } - spin_unlock(&sb->s_inode_list_lock); - - if (iput_inode) - iput(iput_inode); -} |