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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/ocfs2/blockcheck.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
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.h | 107 |
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 |