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Btrfs: add optional integrity check code

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The two files added in this patch contain all the code that is
required to implement the integrity checks.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
This commit is contained in:
Stefan Behrens 2011-11-01 17:04:16 +01:00
parent d85c8a6f1b
commit 5db0276014
2 changed files with 3104 additions and 0 deletions
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3068
fs/btrfs/check-integrity.c Normal file
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36
fs/btrfs/check-integrity.h Normal file
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@ -0,0 +1,36 @@
/*
* Copyright (C) STRATO AG 2011. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v2 as published by the Free Software Foundation.
*
* 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; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#if !defined(__BTRFS_CHECK_INTEGRITY__)
#define __BTRFS_CHECK_INTEGRITY__
#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
int btrfsic_submit_bh(int rw, struct buffer_head *bh);
void btrfsic_submit_bio(int rw, struct bio *bio);
#else
#define btrfsic_submit_bh submit_bh
#define btrfsic_submit_bio submit_bio
#endif
int btrfsic_mount(struct btrfs_root *root,
struct btrfs_fs_devices *fs_devices,
int including_extent_data, u32 print_mask);
void btrfsic_unmount(struct btrfs_root *root,
struct btrfs_fs_devices *fs_devices);
#endif