Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 251 deletions

diff --git a/ANDROID_3.4.5/fs/ubifs/compress.c b/ANDROID_3.4.5/fs/ubifs/compress.c
deleted file mode 100644
index 11e4132f..00000000
--- a/ANDROID_3.4.5/fs/ubifs/compress.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * This file is part of UBIFS.
- *
- * Copyright (C) 2006-2008 Nokia Corporation.
- * Copyright (C) 2006, 2007 University of Szeged, Hungary
- *
- * 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.
- *
- * 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., 51
- * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Authors: Adrian Hunter
- *          Artem Bityutskiy (Битюцкий Артём)
- *          Zoltan Sogor
- */
-
-/*
- * This file provides a single place to access to compression and
- * decompression.
- */
-
-#include <linux/crypto.h>
-#include "ubifs.h"
-
-/* Fake description object for the "none" compressor */
-static struct ubifs_compressor none_compr = {
-	.compr_type = UBIFS_COMPR_NONE,
-	.name = "none",
-	.capi_name = "",
-};
-
-#ifdef CONFIG_UBIFS_FS_LZO
-static DEFINE_MUTEX(lzo_mutex);
-
-static struct ubifs_compressor lzo_compr = {
-	.compr_type = UBIFS_COMPR_LZO,
-	.comp_mutex = &lzo_mutex,
-	.name = "lzo",
-	.capi_name = "lzo",
-};
-#else
-static struct ubifs_compressor lzo_compr = {
-	.compr_type = UBIFS_COMPR_LZO,
-	.name = "lzo",
-};
-#endif
-
-#ifdef CONFIG_UBIFS_FS_ZLIB
-static DEFINE_MUTEX(deflate_mutex);
-static DEFINE_MUTEX(inflate_mutex);
-
-static struct ubifs_compressor zlib_compr = {
-	.compr_type = UBIFS_COMPR_ZLIB,
-	.comp_mutex = &deflate_mutex,
-	.decomp_mutex = &inflate_mutex,
-	.name = "zlib",
-	.capi_name = "deflate",
-};
-#else
-static struct ubifs_compressor zlib_compr = {
-	.compr_type = UBIFS_COMPR_ZLIB,
-	.name = "zlib",
-};
-#endif
-
-/* All UBIFS compressors */
-struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT];
-
-/**
- * ubifs_compress - compress data.
- * @in_buf: data to compress
- * @in_len: length of the data to compress
- * @out_buf: output buffer where compressed data should be stored
- * @out_len: output buffer length is returned here
- * @compr_type: type of compression to use on enter, actually used compression
- *              type on exit
- *
- * This function compresses input buffer @in_buf of length @in_len and stores
- * the result in the output buffer @out_buf and the resulting length in
- * @out_len. If the input buffer does not compress, it is just copied to the
- * @out_buf. The same happens if @compr_type is %UBIFS_COMPR_NONE or if
- * compression error occurred.
- *
- * Note, if the input buffer was not compressed, it is copied to the output
- * buffer and %UBIFS_COMPR_NONE is returned in @compr_type.
- */
-void ubifs_compress(const void *in_buf, int in_len, void *out_buf, int *out_len,
-		    int *compr_type)
-{
-	int err;
-	struct ubifs_compressor *compr = ubifs_compressors[*compr_type];
-
-	if (*compr_type == UBIFS_COMPR_NONE)
-		goto no_compr;
-
-	/* If the input data is small, do not even try to compress it */
-	if (in_len < UBIFS_MIN_COMPR_LEN)
-		goto no_compr;
-
-	if (compr->comp_mutex)
-		mutex_lock(compr->comp_mutex);
-	err = crypto_comp_compress(compr->cc, in_buf, in_len, out_buf,
-				   (unsigned int *)out_len);
-	if (compr->comp_mutex)
-		mutex_unlock(compr->comp_mutex);
-	if (unlikely(err)) {
-		ubifs_warn("cannot compress %d bytes, compressor %s, "
-			   "error %d, leave data uncompressed",
-			   in_len, compr->name, err);
-		 goto no_compr;
-	}
-
-	/*
-	 * If the data compressed only slightly, it is better to leave it
-	 * uncompressed to improve read speed.
-	 */
-	if (in_len - *out_len < UBIFS_MIN_COMPRESS_DIFF)
-		goto no_compr;
-
-	return;
-
-no_compr:
-	memcpy(out_buf, in_buf, in_len);
-	*out_len = in_len;
-	*compr_type = UBIFS_COMPR_NONE;
-}
-
-/**
- * ubifs_decompress - decompress data.
- * @in_buf: data to decompress
- * @in_len: length of the data to decompress
- * @out_buf: output buffer where decompressed data should
- * @out_len: output length is returned here
- * @compr_type: type of compression
- *
- * This function decompresses data from buffer @in_buf into buffer @out_buf.
- * The length of the uncompressed data is returned in @out_len. This functions
- * returns %0 on success or a negative error code on failure.
- */
-int ubifs_decompress(const void *in_buf, int in_len, void *out_buf,
-		     int *out_len, int compr_type)
-{
-	int err;
-	struct ubifs_compressor *compr;
-
-	if (unlikely(compr_type < 0 || compr_type >= UBIFS_COMPR_TYPES_CNT)) {
-		ubifs_err("invalid compression type %d", compr_type);
-		return -EINVAL;
-	}
-
-	compr = ubifs_compressors[compr_type];
-
-	if (unlikely(!compr->capi_name)) {
-		ubifs_err("%s compression is not compiled in", compr->name);
-		return -EINVAL;
-	}
-
-	if (compr_type == UBIFS_COMPR_NONE) {
-		memcpy(out_buf, in_buf, in_len);
-		*out_len = in_len;
-		return 0;
-	}
-
-	if (compr->decomp_mutex)
-		mutex_lock(compr->decomp_mutex);
-	err = crypto_comp_decompress(compr->cc, in_buf, in_len, out_buf,
-				     (unsigned int *)out_len);
-	if (compr->decomp_mutex)
-		mutex_unlock(compr->decomp_mutex);
-	if (err)
-		ubifs_err("cannot decompress %d bytes, compressor %s, "
-			  "error %d", in_len, compr->name, err);
-
-	return err;
-}
-
-/**
- * compr_init - initialize a compressor.
- * @compr: compressor description object
- *
- * This function initializes the requested compressor and returns zero in case
- * of success or a negative error code in case of failure.
- */
-static int __init compr_init(struct ubifs_compressor *compr)
-{
-	if (compr->capi_name) {
-		compr->cc = crypto_alloc_comp(compr->capi_name, 0, 0);
-		if (IS_ERR(compr->cc)) {
-			ubifs_err("cannot initialize compressor %s, error %ld",
-				  compr->name, PTR_ERR(compr->cc));
-			return PTR_ERR(compr->cc);
-		}
-	}
-
-	ubifs_compressors[compr->compr_type] = compr;
-	return 0;
-}
-
-/**
- * compr_exit - de-initialize a compressor.
- * @compr: compressor description object
- */
-static void compr_exit(struct ubifs_compressor *compr)
-{
-	if (compr->capi_name)
-		crypto_free_comp(compr->cc);
-	return;
-}
-
-/**
- * ubifs_compressors_init - initialize UBIFS compressors.
- *
- * This function initializes the compressor which were compiled in. Returns
- * zero in case of success and a negative error code in case of failure.
- */
-int __init ubifs_compressors_init(void)
-{
-	int err;
-
-	err = compr_init(&lzo_compr);
-	if (err)
-		return err;
-
-	err = compr_init(&zlib_compr);
-	if (err)
-		goto out_lzo;
-
-	ubifs_compressors[UBIFS_COMPR_NONE] = &none_compr;
-	return 0;
-
-out_lzo:
-	compr_exit(&lzo_compr);
-	return err;
-}
-
-/**
- * ubifs_compressors_exit - de-initialize UBIFS compressors.
- */
-void ubifs_compressors_exit(void)
-{
-	compr_exit(&lzo_compr);
-	compr_exit(&zlib_compr);
-}