[JFFS2] Whitespace cleanups.
Convert many spaces to tabs; one or two other minor cosmetic fixes. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
Родитель
16adce7b6f
Коммит
ef53cb02ff
54
fs/Kconfig
54
fs/Kconfig
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@ -1298,52 +1298,52 @@ config JFFS2_ZLIB
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select ZLIB_DEFLATE
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depends on JFFS2_FS
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default y
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help
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Zlib is designed to be a free, general-purpose, legally unencumbered,
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lossless data-compression library for use on virtually any computer
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hardware and operating system. See <http://www.gzip.org/zlib/> for
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further information.
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help
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Zlib is designed to be a free, general-purpose, legally unencumbered,
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lossless data-compression library for use on virtually any computer
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hardware and operating system. See <http://www.gzip.org/zlib/> for
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further information.
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Say 'Y' if unsure.
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Say 'Y' if unsure.
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config JFFS2_RTIME
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bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
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depends on JFFS2_FS
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default y
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help
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Rtime does manage to recompress already-compressed data. Say 'Y' if unsure.
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help
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Rtime does manage to recompress already-compressed data. Say 'Y' if unsure.
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config JFFS2_RUBIN
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bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS
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depends on JFFS2_FS
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default n
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help
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RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure.
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help
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RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure.
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choice
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prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
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default JFFS2_CMODE_PRIORITY
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depends on JFFS2_FS
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help
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You can set here the default compression mode of JFFS2 from
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the available compression modes. Don't touch if unsure.
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prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
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default JFFS2_CMODE_PRIORITY
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depends on JFFS2_FS
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help
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You can set here the default compression mode of JFFS2 from
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the available compression modes. Don't touch if unsure.
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config JFFS2_CMODE_NONE
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bool "no compression"
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help
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Uses no compression.
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bool "no compression"
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help
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Uses no compression.
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config JFFS2_CMODE_PRIORITY
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bool "priority"
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help
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Tries the compressors in a predefined order and chooses the first
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successful one.
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bool "priority"
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help
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Tries the compressors in a predefined order and chooses the first
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successful one.
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config JFFS2_CMODE_SIZE
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bool "size (EXPERIMENTAL)"
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help
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Tries all compressors and chooses the one which has the smallest
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result.
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bool "size (EXPERIMENTAL)"
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help
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Tries all compressors and chooses the one which has the smallest
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result.
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endchoice
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@ -23,8 +23,8 @@ static int jffs2_garbage_collect_thread(void *);
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void jffs2_garbage_collect_trigger(struct jffs2_sb_info *c)
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{
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spin_lock(&c->erase_completion_lock);
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if (c->gc_task && jffs2_thread_should_wake(c))
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send_sig(SIGHUP, c->gc_task, 1);
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if (c->gc_task && jffs2_thread_should_wake(c))
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send_sig(SIGHUP, c->gc_task, 1);
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spin_unlock(&c->erase_completion_lock);
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}
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381
fs/jffs2/compr.c
381
fs/jffs2/compr.c
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@ -5,7 +5,7 @@
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* Created by Arjan van de Ven <arjanv@redhat.com>
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*
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* Copyright © 2004 Ferenc Havasi <havasi@inf.u-szeged.hu>,
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* University of Szeged, Hungary
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* University of Szeged, Hungary
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*
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* For licensing information, see the file 'LICENCE' in this directory.
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*
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@ -43,121 +43,122 @@ static uint32_t none_stat_compr_blocks=0,none_stat_decompr_blocks=0,none_stat_co
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* *datalen accordingly to show the amount of data which were compressed.
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*/
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uint16_t jffs2_compress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
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unsigned char *data_in, unsigned char **cpage_out,
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uint32_t *datalen, uint32_t *cdatalen)
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unsigned char *data_in, unsigned char **cpage_out,
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uint32_t *datalen, uint32_t *cdatalen)
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{
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int ret = JFFS2_COMPR_NONE;
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int compr_ret;
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struct jffs2_compressor *this, *best=NULL;
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unsigned char *output_buf = NULL, *tmp_buf;
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uint32_t orig_slen, orig_dlen;
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uint32_t best_slen=0, best_dlen=0;
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int compr_ret;
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struct jffs2_compressor *this, *best=NULL;
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unsigned char *output_buf = NULL, *tmp_buf;
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uint32_t orig_slen, orig_dlen;
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uint32_t best_slen=0, best_dlen=0;
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switch (jffs2_compression_mode) {
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case JFFS2_COMPR_MODE_NONE:
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break;
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case JFFS2_COMPR_MODE_PRIORITY:
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output_buf = kmalloc(*cdatalen,GFP_KERNEL);
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if (!output_buf) {
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printk(KERN_WARNING "JFFS2: No memory for compressor allocation. Compression failed.\n");
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goto out;
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}
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orig_slen = *datalen;
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orig_dlen = *cdatalen;
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spin_lock(&jffs2_compressor_list_lock);
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list_for_each_entry(this, &jffs2_compressor_list, list) {
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/* Skip decompress-only backwards-compatibility and disabled modules */
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if ((!this->compress)||(this->disabled))
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continue;
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switch (jffs2_compression_mode) {
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case JFFS2_COMPR_MODE_NONE:
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break;
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case JFFS2_COMPR_MODE_PRIORITY:
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output_buf = kmalloc(*cdatalen,GFP_KERNEL);
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if (!output_buf) {
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printk(KERN_WARNING "JFFS2: No memory for compressor allocation. Compression failed.\n");
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goto out;
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}
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orig_slen = *datalen;
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orig_dlen = *cdatalen;
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spin_lock(&jffs2_compressor_list_lock);
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list_for_each_entry(this, &jffs2_compressor_list, list) {
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/* Skip decompress-only backwards-compatibility and disabled modules */
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if ((!this->compress)||(this->disabled))
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continue;
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this->usecount++;
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spin_unlock(&jffs2_compressor_list_lock);
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*datalen = orig_slen;
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*cdatalen = orig_dlen;
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compr_ret = this->compress(data_in, output_buf, datalen, cdatalen, NULL);
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spin_lock(&jffs2_compressor_list_lock);
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this->usecount--;
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if (!compr_ret) {
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ret = this->compr;
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this->stat_compr_blocks++;
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this->stat_compr_orig_size += *datalen;
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this->stat_compr_new_size += *cdatalen;
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break;
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}
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}
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spin_unlock(&jffs2_compressor_list_lock);
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if (ret == JFFS2_COMPR_NONE) kfree(output_buf);
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break;
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case JFFS2_COMPR_MODE_SIZE:
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orig_slen = *datalen;
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orig_dlen = *cdatalen;
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spin_lock(&jffs2_compressor_list_lock);
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list_for_each_entry(this, &jffs2_compressor_list, list) {
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/* Skip decompress-only backwards-compatibility and disabled modules */
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if ((!this->compress)||(this->disabled))
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continue;
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/* Allocating memory for output buffer if necessary */
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if ((this->compr_buf_size<orig_dlen)&&(this->compr_buf)) {
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spin_unlock(&jffs2_compressor_list_lock);
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kfree(this->compr_buf);
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spin_lock(&jffs2_compressor_list_lock);
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this->compr_buf_size=0;
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this->compr_buf=NULL;
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}
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if (!this->compr_buf) {
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spin_unlock(&jffs2_compressor_list_lock);
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tmp_buf = kmalloc(orig_dlen,GFP_KERNEL);
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spin_lock(&jffs2_compressor_list_lock);
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if (!tmp_buf) {
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printk(KERN_WARNING "JFFS2: No memory for compressor allocation. (%d bytes)\n",orig_dlen);
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continue;
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}
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else {
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this->compr_buf = tmp_buf;
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this->compr_buf_size = orig_dlen;
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}
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}
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this->usecount++;
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spin_unlock(&jffs2_compressor_list_lock);
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*datalen = orig_slen;
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*cdatalen = orig_dlen;
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compr_ret = this->compress(data_in, this->compr_buf, datalen, cdatalen, NULL);
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spin_lock(&jffs2_compressor_list_lock);
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this->usecount--;
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if (!compr_ret) {
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if ((!best_dlen)||(best_dlen>*cdatalen)) {
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best_dlen = *cdatalen;
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best_slen = *datalen;
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best = this;
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}
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}
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}
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if (best_dlen) {
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*cdatalen = best_dlen;
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*datalen = best_slen;
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output_buf = best->compr_buf;
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best->compr_buf = NULL;
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best->compr_buf_size = 0;
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best->stat_compr_blocks++;
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best->stat_compr_orig_size += best_slen;
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best->stat_compr_new_size += best_dlen;
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ret = best->compr;
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}
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spin_unlock(&jffs2_compressor_list_lock);
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break;
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default:
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printk(KERN_ERR "JFFS2: unknow compression mode.\n");
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}
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this->usecount++;
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spin_unlock(&jffs2_compressor_list_lock);
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*datalen = orig_slen;
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*cdatalen = orig_dlen;
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compr_ret = this->compress(data_in, output_buf, datalen, cdatalen, NULL);
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spin_lock(&jffs2_compressor_list_lock);
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this->usecount--;
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if (!compr_ret) {
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ret = this->compr;
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this->stat_compr_blocks++;
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this->stat_compr_orig_size += *datalen;
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this->stat_compr_new_size += *cdatalen;
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break;
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}
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}
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spin_unlock(&jffs2_compressor_list_lock);
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if (ret == JFFS2_COMPR_NONE)
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kfree(output_buf);
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break;
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case JFFS2_COMPR_MODE_SIZE:
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orig_slen = *datalen;
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orig_dlen = *cdatalen;
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spin_lock(&jffs2_compressor_list_lock);
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list_for_each_entry(this, &jffs2_compressor_list, list) {
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/* Skip decompress-only backwards-compatibility and disabled modules */
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if ((!this->compress)||(this->disabled))
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continue;
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/* Allocating memory for output buffer if necessary */
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if ((this->compr_buf_size<orig_dlen)&&(this->compr_buf)) {
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spin_unlock(&jffs2_compressor_list_lock);
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kfree(this->compr_buf);
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spin_lock(&jffs2_compressor_list_lock);
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this->compr_buf_size=0;
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this->compr_buf=NULL;
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}
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if (!this->compr_buf) {
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spin_unlock(&jffs2_compressor_list_lock);
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tmp_buf = kmalloc(orig_dlen,GFP_KERNEL);
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spin_lock(&jffs2_compressor_list_lock);
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if (!tmp_buf) {
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printk(KERN_WARNING "JFFS2: No memory for compressor allocation. (%d bytes)\n",orig_dlen);
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continue;
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}
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else {
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this->compr_buf = tmp_buf;
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this->compr_buf_size = orig_dlen;
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}
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}
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this->usecount++;
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spin_unlock(&jffs2_compressor_list_lock);
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*datalen = orig_slen;
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*cdatalen = orig_dlen;
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compr_ret = this->compress(data_in, this->compr_buf, datalen, cdatalen, NULL);
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spin_lock(&jffs2_compressor_list_lock);
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this->usecount--;
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if (!compr_ret) {
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if ((!best_dlen)||(best_dlen>*cdatalen)) {
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best_dlen = *cdatalen;
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best_slen = *datalen;
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best = this;
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}
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}
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}
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if (best_dlen) {
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*cdatalen = best_dlen;
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*datalen = best_slen;
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output_buf = best->compr_buf;
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best->compr_buf = NULL;
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best->compr_buf_size = 0;
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best->stat_compr_blocks++;
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best->stat_compr_orig_size += best_slen;
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best->stat_compr_new_size += best_dlen;
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ret = best->compr;
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}
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spin_unlock(&jffs2_compressor_list_lock);
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break;
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default:
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printk(KERN_ERR "JFFS2: unknow compression mode.\n");
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}
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out:
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if (ret == JFFS2_COMPR_NONE) {
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*cpage_out = data_in;
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*datalen = *cdatalen;
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none_stat_compr_blocks++;
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none_stat_compr_size += *datalen;
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}
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else {
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*cpage_out = output_buf;
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}
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if (ret == JFFS2_COMPR_NONE) {
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*cpage_out = data_in;
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*datalen = *cdatalen;
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none_stat_compr_blocks++;
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none_stat_compr_size += *datalen;
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}
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else {
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*cpage_out = output_buf;
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}
|
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return ret;
|
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}
|
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|
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|
@ -165,8 +166,8 @@ int jffs2_decompress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
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uint16_t comprtype, unsigned char *cdata_in,
|
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unsigned char *data_out, uint32_t cdatalen, uint32_t datalen)
|
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{
|
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struct jffs2_compressor *this;
|
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int ret;
|
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struct jffs2_compressor *this;
|
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int ret;
|
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|
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/* Older code had a bug where it would write non-zero 'usercompr'
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fields. Deal with it. */
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|
@ -177,32 +178,32 @@ int jffs2_decompress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
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case JFFS2_COMPR_NONE:
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/* This should be special-cased elsewhere, but we might as well deal with it */
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memcpy(data_out, cdata_in, datalen);
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none_stat_decompr_blocks++;
|
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none_stat_decompr_blocks++;
|
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break;
|
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case JFFS2_COMPR_ZERO:
|
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memset(data_out, 0, datalen);
|
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break;
|
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default:
|
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spin_lock(&jffs2_compressor_list_lock);
|
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list_for_each_entry(this, &jffs2_compressor_list, list) {
|
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if (comprtype == this->compr) {
|
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this->usecount++;
|
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spin_unlock(&jffs2_compressor_list_lock);
|
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ret = this->decompress(cdata_in, data_out, cdatalen, datalen, NULL);
|
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spin_lock(&jffs2_compressor_list_lock);
|
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if (ret) {
|
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printk(KERN_WARNING "Decompressor \"%s\" returned %d\n", this->name, ret);
|
||||
}
|
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else {
|
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this->stat_decompr_blocks++;
|
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}
|
||||
this->usecount--;
|
||||
spin_unlock(&jffs2_compressor_list_lock);
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
spin_lock(&jffs2_compressor_list_lock);
|
||||
list_for_each_entry(this, &jffs2_compressor_list, list) {
|
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if (comprtype == this->compr) {
|
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this->usecount++;
|
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spin_unlock(&jffs2_compressor_list_lock);
|
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ret = this->decompress(cdata_in, data_out, cdatalen, datalen, NULL);
|
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spin_lock(&jffs2_compressor_list_lock);
|
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if (ret) {
|
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printk(KERN_WARNING "Decompressor \"%s\" returned %d\n", this->name, ret);
|
||||
}
|
||||
else {
|
||||
this->stat_decompr_blocks++;
|
||||
}
|
||||
this->usecount--;
|
||||
spin_unlock(&jffs2_compressor_list_lock);
|
||||
return ret;
|
||||
}
|
||||
}
|
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printk(KERN_WARNING "JFFS2 compression type 0x%02x not available.\n", comprtype);
|
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spin_unlock(&jffs2_compressor_list_lock);
|
||||
spin_unlock(&jffs2_compressor_list_lock);
|
||||
return -EIO;
|
||||
}
|
||||
return 0;
|
||||
|
@ -210,108 +211,108 @@ int jffs2_decompress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
|
|||
|
||||
int jffs2_register_compressor(struct jffs2_compressor *comp)
|
||||
{
|
||||
struct jffs2_compressor *this;
|
||||
struct jffs2_compressor *this;
|
||||
|
||||
if (!comp->name) {
|
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printk(KERN_WARNING "NULL compressor name at registering JFFS2 compressor. Failed.\n");
|
||||
return -1;
|
||||
}
|
||||
comp->compr_buf_size=0;
|
||||
comp->compr_buf=NULL;
|
||||
comp->usecount=0;
|
||||
comp->stat_compr_orig_size=0;
|
||||
comp->stat_compr_new_size=0;
|
||||
comp->stat_compr_blocks=0;
|
||||
comp->stat_decompr_blocks=0;
|
||||
D1(printk(KERN_DEBUG "Registering JFFS2 compressor \"%s\"\n", comp->name));
|
||||
if (!comp->name) {
|
||||
printk(KERN_WARNING "NULL compressor name at registering JFFS2 compressor. Failed.\n");
|
||||
return -1;
|
||||
}
|
||||
comp->compr_buf_size=0;
|
||||
comp->compr_buf=NULL;
|
||||
comp->usecount=0;
|
||||
comp->stat_compr_orig_size=0;
|
||||
comp->stat_compr_new_size=0;
|
||||
comp->stat_compr_blocks=0;
|
||||
comp->stat_decompr_blocks=0;
|
||||
D1(printk(KERN_DEBUG "Registering JFFS2 compressor \"%s\"\n", comp->name));
|
||||
|
||||
spin_lock(&jffs2_compressor_list_lock);
|
||||
spin_lock(&jffs2_compressor_list_lock);
|
||||
|
||||
list_for_each_entry(this, &jffs2_compressor_list, list) {
|
||||
if (this->priority < comp->priority) {
|
||||
list_add(&comp->list, this->list.prev);
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
list_add_tail(&comp->list, &jffs2_compressor_list);
|
||||
list_for_each_entry(this, &jffs2_compressor_list, list) {
|
||||
if (this->priority < comp->priority) {
|
||||
list_add(&comp->list, this->list.prev);
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
list_add_tail(&comp->list, &jffs2_compressor_list);
|
||||
out:
|
||||
D2(list_for_each_entry(this, &jffs2_compressor_list, list) {
|
||||
printk(KERN_DEBUG "Compressor \"%s\", prio %d\n", this->name, this->priority);
|
||||
})
|
||||
D2(list_for_each_entry(this, &jffs2_compressor_list, list) {
|
||||
printk(KERN_DEBUG "Compressor \"%s\", prio %d\n", this->name, this->priority);
|
||||
})
|
||||
|
||||
spin_unlock(&jffs2_compressor_list_lock);
|
||||
spin_unlock(&jffs2_compressor_list_lock);
|
||||
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int jffs2_unregister_compressor(struct jffs2_compressor *comp)
|
||||
{
|
||||
D2(struct jffs2_compressor *this;)
|
||||
D2(struct jffs2_compressor *this;)
|
||||
|
||||
D1(printk(KERN_DEBUG "Unregistering JFFS2 compressor \"%s\"\n", comp->name));
|
||||
D1(printk(KERN_DEBUG "Unregistering JFFS2 compressor \"%s\"\n", comp->name));
|
||||
|
||||
spin_lock(&jffs2_compressor_list_lock);
|
||||
spin_lock(&jffs2_compressor_list_lock);
|
||||
|
||||
if (comp->usecount) {
|
||||
spin_unlock(&jffs2_compressor_list_lock);
|
||||
printk(KERN_WARNING "JFFS2: Compressor modul is in use. Unregister failed.\n");
|
||||
return -1;
|
||||
}
|
||||
list_del(&comp->list);
|
||||
if (comp->usecount) {
|
||||
spin_unlock(&jffs2_compressor_list_lock);
|
||||
printk(KERN_WARNING "JFFS2: Compressor modul is in use. Unregister failed.\n");
|
||||
return -1;
|
||||
}
|
||||
list_del(&comp->list);
|
||||
|
||||
D2(list_for_each_entry(this, &jffs2_compressor_list, list) {
|
||||
printk(KERN_DEBUG "Compressor \"%s\", prio %d\n", this->name, this->priority);
|
||||
})
|
||||
spin_unlock(&jffs2_compressor_list_lock);
|
||||
return 0;
|
||||
D2(list_for_each_entry(this, &jffs2_compressor_list, list) {
|
||||
printk(KERN_DEBUG "Compressor \"%s\", prio %d\n", this->name, this->priority);
|
||||
})
|
||||
spin_unlock(&jffs2_compressor_list_lock);
|
||||
return 0;
|
||||
}
|
||||
|
||||
void jffs2_free_comprbuf(unsigned char *comprbuf, unsigned char *orig)
|
||||
{
|
||||
if (orig != comprbuf)
|
||||
kfree(comprbuf);
|
||||
if (orig != comprbuf)
|
||||
kfree(comprbuf);
|
||||
}
|
||||
|
||||
int __init jffs2_compressors_init(void)
|
||||
{
|
||||
/* Registering compressors */
|
||||
#ifdef CONFIG_JFFS2_ZLIB
|
||||
jffs2_zlib_init();
|
||||
jffs2_zlib_init();
|
||||
#endif
|
||||
#ifdef CONFIG_JFFS2_RTIME
|
||||
jffs2_rtime_init();
|
||||
jffs2_rtime_init();
|
||||
#endif
|
||||
#ifdef CONFIG_JFFS2_RUBIN
|
||||
jffs2_rubinmips_init();
|
||||
jffs2_dynrubin_init();
|
||||
jffs2_rubinmips_init();
|
||||
jffs2_dynrubin_init();
|
||||
#endif
|
||||
/* Setting default compression mode */
|
||||
#ifdef CONFIG_JFFS2_CMODE_NONE
|
||||
jffs2_compression_mode = JFFS2_COMPR_MODE_NONE;
|
||||
D1(printk(KERN_INFO "JFFS2: default compression mode: none\n");)
|
||||
jffs2_compression_mode = JFFS2_COMPR_MODE_NONE;
|
||||
D1(printk(KERN_INFO "JFFS2: default compression mode: none\n");)
|
||||
#else
|
||||
#ifdef CONFIG_JFFS2_CMODE_SIZE
|
||||
jffs2_compression_mode = JFFS2_COMPR_MODE_SIZE;
|
||||
D1(printk(KERN_INFO "JFFS2: default compression mode: size\n");)
|
||||
jffs2_compression_mode = JFFS2_COMPR_MODE_SIZE;
|
||||
D1(printk(KERN_INFO "JFFS2: default compression mode: size\n");)
|
||||
#else
|
||||
D1(printk(KERN_INFO "JFFS2: default compression mode: priority\n");)
|
||||
D1(printk(KERN_INFO "JFFS2: default compression mode: priority\n");)
|
||||
#endif
|
||||
#endif
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int jffs2_compressors_exit(void)
|
||||
{
|
||||
/* Unregistering compressors */
|
||||
#ifdef CONFIG_JFFS2_RUBIN
|
||||
jffs2_dynrubin_exit();
|
||||
jffs2_rubinmips_exit();
|
||||
jffs2_dynrubin_exit();
|
||||
jffs2_rubinmips_exit();
|
||||
#endif
|
||||
#ifdef CONFIG_JFFS2_RTIME
|
||||
jffs2_rtime_exit();
|
||||
jffs2_rtime_exit();
|
||||
#endif
|
||||
#ifdef CONFIG_JFFS2_ZLIB
|
||||
jffs2_zlib_exit();
|
||||
jffs2_zlib_exit();
|
||||
#endif
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
|
|
@ -2,7 +2,7 @@
|
|||
* JFFS2 -- Journalling Flash File System, Version 2.
|
||||
*
|
||||
* Copyright © 2004 Ferenc Havasi <havasi@inf.u-szeged.hu>,
|
||||
* University of Szeged, Hungary
|
||||
* University of Szeged, Hungary
|
||||
*
|
||||
* For licensing information, see the file 'LICENCE' in this directory.
|
||||
*
|
||||
|
@ -32,29 +32,29 @@
|
|||
#define JFFS2_ZLIB_PRIORITY 60
|
||||
|
||||
#define JFFS2_RUBINMIPS_DISABLED /* RUBINs will be used only */
|
||||
#define JFFS2_DYNRUBIN_DISABLED /* for decompression */
|
||||
#define JFFS2_DYNRUBIN_DISABLED /* for decompression */
|
||||
|
||||
#define JFFS2_COMPR_MODE_NONE 0
|
||||
#define JFFS2_COMPR_MODE_PRIORITY 1
|
||||
#define JFFS2_COMPR_MODE_SIZE 2
|
||||
|
||||
struct jffs2_compressor {
|
||||
struct list_head list;
|
||||
int priority; /* used by prirority comr. mode */
|
||||
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);
|
||||
int (*decompress)(unsigned char *cdata_in, unsigned char *data_out,
|
||||
uint32_t cdatalen, uint32_t datalen, void *model);
|
||||
int usecount;
|
||||
int disabled; /* if seted the compressor won't compress */
|
||||
unsigned char *compr_buf; /* used by size compr. mode */
|
||||
uint32_t compr_buf_size; /* used by size compr. mode */
|
||||
uint32_t stat_compr_orig_size;
|
||||
uint32_t stat_compr_new_size;
|
||||
uint32_t stat_compr_blocks;
|
||||
uint32_t stat_decompr_blocks;
|
||||
struct list_head list;
|
||||
int priority; /* used by prirority comr. mode */
|
||||
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);
|
||||
int (*decompress)(unsigned char *cdata_in, unsigned char *data_out,
|
||||
uint32_t cdatalen, uint32_t datalen, void *model);
|
||||
int usecount;
|
||||
int disabled; /* if set the compressor won't compress */
|
||||
unsigned char *compr_buf; /* used by size compr. mode */
|
||||
uint32_t compr_buf_size; /* used by size compr. mode */
|
||||
uint32_t stat_compr_orig_size;
|
||||
uint32_t stat_compr_new_size;
|
||||
uint32_t stat_compr_blocks;
|
||||
uint32_t stat_decompr_blocks;
|
||||
};
|
||||
|
||||
int jffs2_register_compressor(struct jffs2_compressor *comp);
|
||||
|
@ -64,12 +64,12 @@ int jffs2_compressors_init(void);
|
|||
int jffs2_compressors_exit(void);
|
||||
|
||||
uint16_t jffs2_compress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
|
||||
unsigned char *data_in, unsigned char **cpage_out,
|
||||
uint32_t *datalen, uint32_t *cdatalen);
|
||||
unsigned char *data_in, unsigned char **cpage_out,
|
||||
uint32_t *datalen, uint32_t *cdatalen);
|
||||
|
||||
int jffs2_decompress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
|
||||
uint16_t comprtype, unsigned char *cdata_in,
|
||||
unsigned char *data_out, uint32_t cdatalen, uint32_t datalen);
|
||||
uint16_t comprtype, unsigned char *cdata_in,
|
||||
unsigned char *data_out, uint32_t cdatalen, uint32_t datalen);
|
||||
|
||||
void jffs2_free_comprbuf(unsigned char *comprbuf, unsigned char *orig);
|
||||
|
||||
|
|
|
@ -104,7 +104,7 @@ static int jffs2_rtime_decompress(unsigned char *data_in,
|
|||
}
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct jffs2_compressor jffs2_rtime_comp = {
|
||||
|
|
|
@ -384,7 +384,7 @@ static int jffs2_rubinmips_decompress(unsigned char *data_in,
|
|||
void *model)
|
||||
{
|
||||
rubin_do_decompress(BIT_DIVIDER_MIPS, bits_mips, data_in, cpage_out, sourcelen, dstlen);
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int jffs2_dynrubin_decompress(unsigned char *data_in,
|
||||
|
@ -399,7 +399,7 @@ static int jffs2_dynrubin_decompress(unsigned char *data_in,
|
|||
bits[c] = data_in[c];
|
||||
|
||||
rubin_do_decompress(256, bits, data_in+8, cpage_out, sourcelen-8, dstlen);
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct jffs2_compressor jffs2_rubinmips_comp = {
|
||||
|
|
|
@ -181,7 +181,7 @@ static int jffs2_zlib_decompress(unsigned char *data_in,
|
|||
}
|
||||
zlib_inflateEnd(&inf_strm);
|
||||
mutex_unlock(&inflate_mutex);
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct jffs2_compressor jffs2_zlib_comp = {
|
||||
|
@ -203,11 +203,11 @@ int __init jffs2_zlib_init(void)
|
|||
|
||||
ret = alloc_workspaces();
|
||||
if (ret)
|
||||
return ret;
|
||||
return ret;
|
||||
|
||||
ret = jffs2_register_compressor(&jffs2_zlib_comp);
|
||||
if (ret)
|
||||
free_workspaces();
|
||||
free_workspaces();
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
|
|
@ -32,7 +32,7 @@ static int jffs2_mkdir (struct inode *,struct dentry *,int);
|
|||
static int jffs2_rmdir (struct inode *,struct dentry *);
|
||||
static int jffs2_mknod (struct inode *,struct dentry *,int,dev_t);
|
||||
static int jffs2_rename (struct inode *, struct dentry *,
|
||||
struct inode *, struct dentry *);
|
||||
struct inode *, struct dentry *);
|
||||
|
||||
const struct file_operations jffs2_dir_operations =
|
||||
{
|
||||
|
@ -770,7 +770,7 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, de
|
|||
}
|
||||
|
||||
static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry,
|
||||
struct inode *new_dir_i, struct dentry *new_dentry)
|
||||
struct inode *new_dir_i, struct dentry *new_dentry)
|
||||
{
|
||||
int ret;
|
||||
struct jffs2_sb_info *c = JFFS2_SB_INFO(old_dir_i->i_sb);
|
||||
|
|
|
@ -38,8 +38,8 @@ static void jffs2_erase_block(struct jffs2_sb_info *c,
|
|||
#ifdef __ECOS
|
||||
ret = jffs2_flash_erase(c, jeb);
|
||||
if (!ret) {
|
||||
jffs2_erase_succeeded(c, jeb);
|
||||
return;
|
||||
jffs2_erase_succeeded(c, jeb);
|
||||
return;
|
||||
}
|
||||
bad_offset = jeb->offset;
|
||||
#else /* Linux */
|
||||
|
|
|
@ -556,7 +556,7 @@ static int jffs2_garbage_collect_pristine(struct jffs2_sb_info *c,
|
|||
|
||||
node = kmalloc(rawlen, GFP_KERNEL);
|
||||
if (!node)
|
||||
return -ENOMEM;
|
||||
return -ENOMEM;
|
||||
|
||||
ret = jffs2_flash_read(c, ref_offset(raw), rawlen, &retlen, (char *)node);
|
||||
if (!ret && retlen != rawlen)
|
||||
|
@ -624,7 +624,7 @@ static int jffs2_garbage_collect_pristine(struct jffs2_sb_info *c,
|
|||
|
||||
if (ret || (retlen != rawlen)) {
|
||||
printk(KERN_NOTICE "Write of %d bytes at 0x%08x failed. returned %d, retlen %zd\n",
|
||||
rawlen, phys_ofs, ret, retlen);
|
||||
rawlen, phys_ofs, ret, retlen);
|
||||
if (retlen) {
|
||||
jffs2_add_physical_node_ref(c, phys_ofs | REF_OBSOLETE, rawlen, NULL);
|
||||
} else {
|
||||
|
|
|
@ -127,7 +127,7 @@ static inline struct jffs2_inode_cache *jffs2_raw_ref_to_ic(struct jffs2_raw_nod
|
|||
return ((struct jffs2_inode_cache *)raw);
|
||||
}
|
||||
|
||||
/* flash_offset & 3 always has to be zero, because nodes are
|
||||
/* flash_offset & 3 always has to be zero, because nodes are
|
||||
always aligned at 4 bytes. So we have a couple of extra bits
|
||||
to play with, which indicate the node's status; see below: */
|
||||
#define REF_UNCHECKED 0 /* We haven't yet checked the CRC or built its inode */
|
||||
|
|
|
@ -154,7 +154,7 @@ int jffs2_reserve_space_gc(struct jffs2_sb_info *c, uint32_t minsize,
|
|||
while(ret == -EAGAIN) {
|
||||
ret = jffs2_do_reserve_space(c, minsize, len, sumsize);
|
||||
if (ret) {
|
||||
D1(printk(KERN_DEBUG "jffs2_reserve_space_gc: looping, ret is %d\n", ret));
|
||||
D1(printk(KERN_DEBUG "jffs2_reserve_space_gc: looping, ret is %d\n", ret));
|
||||
}
|
||||
}
|
||||
spin_unlock(&c->erase_completion_lock);
|
||||
|
|
|
@ -211,7 +211,7 @@ static void jffs2_kill_tn(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info *
|
|||
* ordering.
|
||||
*
|
||||
* Returns 0 if the node was handled (including marking it obsolete)
|
||||
* < 0 an if error occurred
|
||||
* < 0 an if error occurred
|
||||
*/
|
||||
static int jffs2_add_tn_to_tree(struct jffs2_sb_info *c,
|
||||
struct jffs2_readinode_info *rii,
|
||||
|
@ -862,8 +862,8 @@ static inline int read_unknown(struct jffs2_sb_info *c, struct jffs2_raw_node_re
|
|||
JFFS2_ERROR("REF_UNCHECKED but unknown node at %#08x\n",
|
||||
ref_offset(ref));
|
||||
JFFS2_ERROR("Node is {%04x,%04x,%08x,%08x}. Please report this error.\n",
|
||||
je16_to_cpu(un->magic), je16_to_cpu(un->nodetype),
|
||||
je32_to_cpu(un->totlen), je32_to_cpu(un->hdr_crc));
|
||||
je16_to_cpu(un->magic), je16_to_cpu(un->nodetype),
|
||||
je32_to_cpu(un->totlen), je32_to_cpu(un->hdr_crc));
|
||||
jffs2_mark_node_obsolete(c, ref);
|
||||
return 0;
|
||||
}
|
||||
|
|
|
@ -863,7 +863,7 @@ scan_more:
|
|||
switch (je16_to_cpu(node->nodetype) & JFFS2_COMPAT_MASK) {
|
||||
case JFFS2_FEATURE_ROCOMPAT:
|
||||
printk(KERN_NOTICE "Read-only compatible feature node (0x%04x) found at offset 0x%08x\n", je16_to_cpu(node->nodetype), ofs);
|
||||
c->flags |= JFFS2_SB_FLAG_RO;
|
||||
c->flags |= JFFS2_SB_FLAG_RO;
|
||||
if (!(jffs2_is_readonly(c)))
|
||||
return -EROFS;
|
||||
if ((err = jffs2_scan_dirty_space(c, jeb, PAD(je32_to_cpu(node->totlen)))))
|
||||
|
|
|
@ -38,9 +38,9 @@ int jffs2_init_security(struct inode *inode, struct inode *dir)
|
|||
}
|
||||
rc = do_jffs2_setxattr(inode, JFFS2_XPREFIX_SECURITY, name, value, len, 0);
|
||||
|
||||
kfree(name);
|
||||
kfree(value);
|
||||
return rc;
|
||||
kfree(name);
|
||||
kfree(value);
|
||||
return rc;
|
||||
}
|
||||
|
||||
/* ---- XATTR Handler for "security.*" ----------------- */
|
||||
|
|
|
@ -2,10 +2,10 @@
|
|||
* JFFS2 -- Journalling Flash File System, Version 2.
|
||||
*
|
||||
* Copyright © 2004 Ferenc Havasi <havasi@inf.u-szeged.hu>,
|
||||
* Zoltan Sogor <weth@inf.u-szeged.hu>,
|
||||
* Patrik Kluba <pajko@halom.u-szeged.hu>,
|
||||
* University of Szeged, Hungary
|
||||
* 2006 KaiGai Kohei <kaigai@ak.jp.nec.com>
|
||||
* Zoltan Sogor <weth@inf.u-szeged.hu>,
|
||||
* Patrik Kluba <pajko@halom.u-szeged.hu>,
|
||||
* University of Szeged, Hungary
|
||||
* 2006 KaiGai Kohei <kaigai@ak.jp.nec.com>
|
||||
*
|
||||
* For licensing information, see the file 'LICENCE' in this directory.
|
||||
*
|
||||
|
|
|
@ -2,9 +2,9 @@
|
|||
* JFFS2 -- Journalling Flash File System, Version 2.
|
||||
*
|
||||
* Copyright © 2004 Ferenc Havasi <havasi@inf.u-szeged.hu>,
|
||||
* Zoltan Sogor <weth@inf.u-szeged.hu>,
|
||||
* Patrik Kluba <pajko@halom.u-szeged.hu>,
|
||||
* University of Szeged, Hungary
|
||||
* Zoltan Sogor <weth@inf.u-szeged.hu>,
|
||||
* Patrik Kluba <pajko@halom.u-szeged.hu>,
|
||||
* University of Szeged, Hungary
|
||||
*
|
||||
* For licensing information, see the file 'LICENCE' in this directory.
|
||||
*
|
||||
|
|
|
@ -1021,8 +1021,8 @@ int jffs2_check_oob_empty(struct jffs2_sb_info *c,
|
|||
/*
|
||||
* Check for a valid cleanmarker.
|
||||
* Returns: 0 if a valid cleanmarker was found
|
||||
* 1 if no cleanmarker was found
|
||||
* negative error code if an error occurred
|
||||
* 1 if no cleanmarker was found
|
||||
* negative error code if an error occurred
|
||||
*/
|
||||
int jffs2_check_nand_cleanmarker(struct jffs2_sb_info *c,
|
||||
struct jffs2_eraseblock *jeb)
|
||||
|
|
|
@ -75,7 +75,7 @@ extern void jffs2_build_xattr_subsystem(struct jffs2_sb_info *c);
|
|||
extern void jffs2_clear_xattr_subsystem(struct jffs2_sb_info *c);
|
||||
|
||||
extern struct jffs2_xattr_datum *jffs2_setup_xattr_datum(struct jffs2_sb_info *c,
|
||||
uint32_t xid, uint32_t version);
|
||||
uint32_t xid, uint32_t version);
|
||||
|
||||
extern void jffs2_xattr_delete_inode(struct jffs2_sb_info *c, struct jffs2_inode_cache *ic);
|
||||
extern void jffs2_xattr_free_inode(struct jffs2_sb_info *c, struct jffs2_inode_cache *ic);
|
||||
|
|
|
@ -17,7 +17,7 @@
|
|||
#include "nodelist.h"
|
||||
|
||||
static int jffs2_user_getxattr(struct inode *inode, const char *name,
|
||||
void *buffer, size_t size)
|
||||
void *buffer, size_t size)
|
||||
{
|
||||
if (!strcmp(name, ""))
|
||||
return -EINVAL;
|
||||
|
@ -25,7 +25,7 @@ static int jffs2_user_getxattr(struct inode *inode, const char *name,
|
|||
}
|
||||
|
||||
static int jffs2_user_setxattr(struct inode *inode, const char *name, const void *buffer,
|
||||
size_t size, int flags)
|
||||
size_t size, int flags)
|
||||
{
|
||||
if (!strcmp(name, ""))
|
||||
return -EINVAL;
|
||||
|
|
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