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6ce315234a
Make sure all dentries refs are released before calling kill_anon_super() so that the assumption that generic_shutdown_super() can completely destroy the dentry tree for there will be no external references holds true. What was being done in the put_super() superblock op, is now done in the kill_sb() filesystem op instead, prior to calling kill_anon_super(). This makes the struct autofs_sb_info::root member variable redundant (since sb->s_root is still available), and so that is removed. The calls to shrink_dcache_sb() are also removed since they're also redundant as shrink_dcache_for_umount() will now be called after the cleanup routine. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Ian Kent <raven@themaw.net> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/* -*- c -*- --------------------------------------------------------------- *
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*
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* linux/fs/autofs/init.c
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*
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* Copyright 1997-1998 Transmeta Corporation -- All Rights Reserved
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*
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* This file is part of the Linux kernel and is made available under
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* the terms of the GNU General Public License, version 2, or at your
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* option, any later version, incorporated herein by reference.
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*
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* ------------------------------------------------------------------------- */
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#include <linux/module.h>
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#include <linux/init.h>
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#include "autofs_i.h"
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static int autofs_get_sb(struct file_system_type *fs_type,
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int flags, const char *dev_name, void *data, struct vfsmount *mnt)
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{
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return get_sb_nodev(fs_type, flags, data, autofs4_fill_super, mnt);
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}
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static struct file_system_type autofs_fs_type = {
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.owner = THIS_MODULE,
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.name = "autofs",
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.get_sb = autofs_get_sb,
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.kill_sb = autofs4_kill_sb,
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};
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static int __init init_autofs4_fs(void)
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{
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return register_filesystem(&autofs_fs_type);
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}
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static void __exit exit_autofs4_fs(void)
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{
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unregister_filesystem(&autofs_fs_type);
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}
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module_init(init_autofs4_fs)
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module_exit(exit_autofs4_fs)
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MODULE_LICENSE("GPL");
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