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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/ocfs2/blockcheck.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/ocfs2/blockcheck.h')
-rw-r--r--ANDROID_3.4.5/fs/ocfs2/blockcheck.h107
1 files changed, 0 insertions, 107 deletions
diff --git a/ANDROID_3.4.5/fs/ocfs2/blockcheck.h b/ANDROID_3.4.5/fs/ocfs2/blockcheck.h
deleted file mode 100644
index d4b69feb..00000000
--- a/ANDROID_3.4.5/fs/ocfs2/blockcheck.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
- * blockcheck.h
- *
- * Checksum and ECC codes for the OCFS2 userspace library.
- *
- * Copyright (C) 2004, 2008 Oracle. 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, version 2, 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.
- */
-
-#ifndef OCFS2_BLOCKCHECK_H
-#define OCFS2_BLOCKCHECK_H
-
-
-/* Count errors and error correction from blockcheck.c */
-struct ocfs2_blockcheck_stats {
- spinlock_t b_lock;
- u64 b_check_count; /* Number of blocks we've checked */
- u64 b_failure_count; /* Number of failed checksums */
- u64 b_recover_count; /* Number of blocks fixed by ecc */
-
- /*
- * debugfs entries, used if this is passed to
- * ocfs2_blockcheck_stats_debugfs_install()
- */
- struct dentry *b_debug_dir; /* Parent of the debugfs files */
- struct dentry *b_debug_check; /* Exposes b_check_count */
- struct dentry *b_debug_failure; /* Exposes b_failure_count */
- struct dentry *b_debug_recover; /* Exposes b_recover_count */
-};
-
-
-/* High level block API */
-void ocfs2_compute_meta_ecc(struct super_block *sb, void *data,
- struct ocfs2_block_check *bc);
-int ocfs2_validate_meta_ecc(struct super_block *sb, void *data,
- struct ocfs2_block_check *bc);
-void ocfs2_compute_meta_ecc_bhs(struct super_block *sb,
- struct buffer_head **bhs, int nr,
- struct ocfs2_block_check *bc);
-int ocfs2_validate_meta_ecc_bhs(struct super_block *sb,
- struct buffer_head **bhs, int nr,
- struct ocfs2_block_check *bc);
-
-/* Lower level API */
-void ocfs2_block_check_compute(void *data, size_t blocksize,
- struct ocfs2_block_check *bc);
-int ocfs2_block_check_validate(void *data, size_t blocksize,
- struct ocfs2_block_check *bc,
- struct ocfs2_blockcheck_stats *stats);
-void ocfs2_block_check_compute_bhs(struct buffer_head **bhs, int nr,
- struct ocfs2_block_check *bc);
-int ocfs2_block_check_validate_bhs(struct buffer_head **bhs, int nr,
- struct ocfs2_block_check *bc,
- struct ocfs2_blockcheck_stats *stats);
-
-/* Debug Initialization */
-int ocfs2_blockcheck_stats_debugfs_install(struct ocfs2_blockcheck_stats *stats,
- struct dentry *parent);
-void ocfs2_blockcheck_stats_debugfs_remove(struct ocfs2_blockcheck_stats *stats);
-
-/*
- * Hamming code functions
- */
-
-/*
- * Encoding hamming code parity bits for a buffer.
- *
- * This is the low level encoder function. It can be called across
- * multiple hunks just like the crc32 code. 'd' is the number of bits
- * _in_this_hunk_. nr is the bit offset of this hunk. So, if you had
- * two 512B buffers, you would do it like so:
- *
- * parity = ocfs2_hamming_encode(0, buf1, 512 * 8, 0);
- * parity = ocfs2_hamming_encode(parity, buf2, 512 * 8, 512 * 8);
- *
- * If you just have one buffer, use ocfs2_hamming_encode_block().
- */
-u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d,
- unsigned int nr);
-/*
- * Fix a buffer with a bit error. The 'fix' is the original parity
- * xor'd with the parity calculated now.
- *
- * Like ocfs2_hamming_encode(), this can handle hunks. nr is the bit
- * offset of the current hunk. If bit to be fixed is not part of the
- * current hunk, this does nothing.
- *
- * If you only have one buffer, use ocfs2_hamming_fix_block().
- */
-void ocfs2_hamming_fix(void *data, unsigned int d, unsigned int nr,
- unsigned int fix);
-
-/* Convenience wrappers for a single buffer of data */
-extern u32 ocfs2_hamming_encode_block(void *data, unsigned int blocksize);
-extern void ocfs2_hamming_fix_block(void *data, unsigned int blocksize,
- unsigned int fix);
-#endif