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jffs2: drop unused model argument 

The jffs2 compression framework provides a "model" argument when
compressing and decompressing, but the caller always passes in NULL
and the callees never use it.  So punt this useless overhead.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Mike Frysinger 2010-09-22 22:52:33 -04:00 committed by David Woodhouse
parent d0f7959e2b
commit 088bd455c9
6 changed files with 15 additions and 22 deletions
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6
fs/jffs2/compr.c
View File

@ -103,7 +103,7 @@ uint16_t jffs2_compress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
spin_unlock(&jffs2_compressor_list_lock);
*datalen = orig_slen;
*cdatalen = orig_dlen;
compr_ret = this->compress(data_in, output_buf, datalen, cdatalen, NULL);
compr_ret = this->compress(data_in, output_buf, datalen, cdatalen);
spin_lock(&jffs2_compressor_list_lock);
this->usecount--;
if (!compr_ret) {
@ -152,7 +152,7 @@ uint16_t jffs2_compress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
spin_unlock(&jffs2_compressor_list_lock);
*datalen = orig_slen;
*cdatalen = orig_dlen;
compr_ret = this->compress(data_in, this->compr_buf, datalen, cdatalen, NULL);
compr_ret = this->compress(data_in, this->compr_buf, datalen, cdatalen);
spin_lock(&jffs2_compressor_list_lock);
this->usecount--;
if (!compr_ret) {
@ -220,7 +220,7 @@ int jffs2_decompress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
if (comprtype == this->compr) {
this->usecount++;
spin_unlock(&jffs2_compressor_list_lock);
ret = this->decompress(cdata_in, data_out, cdatalen, datalen, NULL);
ret = this->decompress(cdata_in, data_out, cdatalen, datalen);
spin_lock(&jffs2_compressor_list_lock);
if (ret) {
printk(KERN_WARNING "Decompressor \"%s\" returned %d\n", this->name, ret);

4
fs/jffs2/compr.h
View File

@ -49,9 +49,9 @@ struct jffs2_compressor {
char *name;
char compr; /* JFFS2_COMPR_XXX */
int (*compress)(unsigned char *data_in, unsigned char *cpage_out,
uint32_t *srclen, uint32_t *destlen, void *model);
uint32_t *srclen, uint32_t *destlen);
int (*decompress)(unsigned char *cdata_in, unsigned char *data_out,
uint32_t cdatalen, uint32_t datalen, void *model);
uint32_t cdatalen, uint32_t datalen);
int usecount;
int disabled; /* if set the compressor won't compress */
unsigned char *compr_buf; /* used by size compr. mode */

4
fs/jffs2/compr_lzo.c
View File

@ -42,7 +42,7 @@ static int __init alloc_workspace(void)
}
static int jffs2_lzo_compress(unsigned char *data_in, unsigned char *cpage_out,
uint32_t *sourcelen, uint32_t *dstlen, void *model)
uint32_t *sourcelen, uint32_t *dstlen)
{
size_t compress_size;
int ret;
@ -67,7 +67,7 @@ static int jffs2_lzo_compress(unsigned char *data_in, unsigned char *cpage_out,
}
static int jffs2_lzo_decompress(unsigned char *data_in, unsigned char *cpage_out,
uint32_t srclen, uint32_t destlen, void *model)
uint32_t srclen, uint32_t destlen)
{
size_t dl = destlen;
int ret;

6
fs/jffs2/compr_rtime.c
View File

@ -31,8 +31,7 @@
/* _compress returns the compressed size, -1 if bigger */
static int jffs2_rtime_compress(unsigned char *data_in,
unsigned char *cpage_out,
uint32_t *sourcelen, uint32_t *dstlen,
void *model)
uint32_t *sourcelen, uint32_t *dstlen)
{
short positions[256];
int outpos = 0;
@ -73,8 +72,7 @@ static int jffs2_rtime_compress(unsigned char *data_in,
static int jffs2_rtime_decompress(unsigned char *data_in,
unsigned char *cpage_out,
uint32_t srclen, uint32_t destlen,
void *model)
uint32_t srclen, uint32_t destlen)
{
short positions[256];
int outpos = 0;

11
fs/jffs2/compr_rubin.c
View File

@ -298,7 +298,7 @@ static int rubin_do_compress(int bit_divider, int *bits, unsigned char *data_in,
#if 0
/* _compress returns the compressed size, -1 if bigger */
int jffs2_rubinmips_compress(unsigned char *data_in, unsigned char *cpage_out,
uint32_t *sourcelen, uint32_t *dstlen, void *model)
uint32_t *sourcelen, uint32_t *dstlen)
{
return rubin_do_compress(BIT_DIVIDER_MIPS, bits_mips, data_in,
cpage_out, sourcelen, dstlen);
@ -306,8 +306,7 @@ int jffs2_rubinmips_compress(unsigned char *data_in, unsigned char *cpage_out,
#endif
static int jffs2_dynrubin_compress(unsigned char *data_in,
unsigned char *cpage_out,
uint32_t *sourcelen, uint32_t *dstlen,
void *model)
uint32_t *sourcelen, uint32_t *dstlen)
{
int bits[8];
unsigned char histo[256];
@ -387,8 +386,7 @@ static void rubin_do_decompress(int bit_divider, int *bits,
static int jffs2_rubinmips_decompress(unsigned char *data_in,
unsigned char *cpage_out,
uint32_t sourcelen, uint32_t dstlen,
void *model)
uint32_t sourcelen, uint32_t dstlen)
{
rubin_do_decompress(BIT_DIVIDER_MIPS, bits_mips, data_in,
cpage_out, sourcelen, dstlen);
@ -397,8 +395,7 @@ static int jffs2_rubinmips_decompress(unsigned char *data_in,
static int jffs2_dynrubin_decompress(unsigned char *data_in,
unsigned char *cpage_out,
uint32_t sourcelen, uint32_t dstlen,
void *model)
uint32_t sourcelen, uint32_t dstlen)
{
int bits[8];
int c;

6
fs/jffs2/compr_zlib.c
View File

@ -68,8 +68,7 @@ static void free_workspaces(void)
static int jffs2_zlib_compress(unsigned char *data_in,
unsigned char *cpage_out,
uint32_t *sourcelen, uint32_t *dstlen,
void *model)
uint32_t *sourcelen, uint32_t *dstlen)
{
int ret;
@ -136,8 +135,7 @@ static int jffs2_zlib_compress(unsigned char *data_in,
static int jffs2_zlib_decompress(unsigned char *data_in,
unsigned char *cpage_out,
uint32_t srclen, uint32_t destlen,
void *model)
uint32_t srclen, uint32_t destlen)
{
int ret;
int wbits = MAX_WBITS;