[JFFS2] Whitespace cleanups.

Convert many spaces to tabs; one or two other minor cosmetic fixes.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 191 insertions, 190 deletions

diff --git a/fs/jffs2/compr.c b/fs/jffs2/compr.c
index 485d065de41f..d90ca05e4992 100644
--- a/fs/jffs2/compr.c
+++ b/fs/jffs2/compr.c
@@ -5,7 +5,7 @@
  * Created by Arjan van de Ven <arjanv@redhat.com>
  *
  * 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.
  *
@@ -43,121 +43,122 @@ static uint32_t none_stat_compr_blocks=0,none_stat_decompr_blocks=0,none_stat_co
  * *datalen accordingly to show the amount of data which were compressed.
  */
 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 ret = JFFS2_COMPR_NONE;
-        int compr_ret;
-        struct jffs2_compressor *this, *best=NULL;
-        unsigned char *output_buf = NULL, *tmp_buf;
-        uint32_t orig_slen, orig_dlen;
-        uint32_t best_slen=0, best_dlen=0;
+	int compr_ret;
+	struct jffs2_compressor *this, *best=NULL;
+	unsigned char *output_buf = NULL, *tmp_buf;
+	uint32_t orig_slen, orig_dlen;
+	uint32_t best_slen=0, best_dlen=0;
 
-        switch (jffs2_compression_mode) {
-        case JFFS2_COMPR_MODE_NONE:
-                break;
-        case JFFS2_COMPR_MODE_PRIORITY:
-                output_buf = kmalloc(*cdatalen,GFP_KERNEL);
-                if (!output_buf) {
-                        printk(KERN_WARNING "JFFS2: No memory for compressor allocation. Compression failed.\n");
-                        goto out;
-                }
-                orig_slen = *datalen;
-                orig_dlen = *cdatalen;
-                spin_lock(&jffs2_compressor_list_lock);
-                list_for_each_entry(this, &jffs2_compressor_list, list) {
-                        /* Skip decompress-only backwards-compatibility and disabled modules */
-                        if ((!this->compress)||(this->disabled))
-                                continue;
+	switch (jffs2_compression_mode) {
+	case JFFS2_COMPR_MODE_NONE:
+		break;
+	case JFFS2_COMPR_MODE_PRIORITY:
+		output_buf = kmalloc(*cdatalen,GFP_KERNEL);
+		if (!output_buf) {
+			printk(KERN_WARNING "JFFS2: No memory for compressor allocation. Compression failed.\n");
+			goto out;
+		}
+		orig_slen = *datalen;
+		orig_dlen = *cdatalen;
+		spin_lock(&jffs2_compressor_list_lock);
+		list_for_each_entry(this, &jffs2_compressor_list, list) {
+			/* Skip decompress-only backwards-compatibility and disabled modules */
+			if ((!this->compress)||(this->disabled))
+				continue;
 
-                        this->usecount++;
-                        spin_unlock(&jffs2_compressor_list_lock);
-                        *datalen  = orig_slen;
-                        *cdatalen = orig_dlen;
-                        compr_ret = this->compress(data_in, output_buf, datalen, cdatalen, NULL);
-                        spin_lock(&jffs2_compressor_list_lock);
-                        this->usecount--;
-                        if (!compr_ret) {
-                                ret = this->compr;
-                                this->stat_compr_blocks++;
-                                this->stat_compr_orig_size += *datalen;
-                                this->stat_compr_new_size  += *cdatalen;
-                                break;
-                        }
-                }
-                spin_unlock(&jffs2_compressor_list_lock);
-                if (ret == JFFS2_COMPR_NONE) kfree(output_buf);
-                break;
-        case JFFS2_COMPR_MODE_SIZE:
-                orig_slen = *datalen;
-                orig_dlen = *cdatalen;
-                spin_lock(&jffs2_compressor_list_lock);
-                list_for_each_entry(this, &jffs2_compressor_list, list) {
-                        /* Skip decompress-only backwards-compatibility and disabled modules */
-                        if ((!this->compress)||(this->disabled))
-                                continue;
-                        /* Allocating memory for output buffer if necessary */
-                        if ((this->compr_buf_size<orig_dlen)&&(this->compr_buf)) {
-                                spin_unlock(&jffs2_compressor_list_lock);
-                                kfree(this->compr_buf);
-                                spin_lock(&jffs2_compressor_list_lock);
-                                this->compr_buf_size=0;
-                                this->compr_buf=NULL;
-                        }
-                        if (!this->compr_buf) {
-                                spin_unlock(&jffs2_compressor_list_lock);
-                                tmp_buf = kmalloc(orig_dlen,GFP_KERNEL);
-                                spin_lock(&jffs2_compressor_list_lock);
-                                if (!tmp_buf) {
-                                        printk(KERN_WARNING "JFFS2: No memory for compressor allocation. (%d bytes)\n",orig_dlen);
-                                        continue;
-                                }
-                                else {
-                                        this->compr_buf = tmp_buf;
-                                        this->compr_buf_size = orig_dlen;
-                                }
-                        }
-                        this->usecount++;
-                        spin_unlock(&jffs2_compressor_list_lock);
-                        *datalen  = orig_slen;
-                        *cdatalen = orig_dlen;
-                        compr_ret = this->compress(data_in, this->compr_buf, datalen, cdatalen, NULL);
-                        spin_lock(&jffs2_compressor_list_lock);
-                        this->usecount--;
-                        if (!compr_ret) {
-                                if ((!best_dlen)||(best_dlen>*cdatalen)) {
-                                        best_dlen = *cdatalen;
-                                        best_slen = *datalen;
-                                        best = this;
-                                }
-                        }
-                }
-                if (best_dlen) {
-                        *cdatalen = best_dlen;
-                        *datalen  = best_slen;
-                        output_buf = best->compr_buf;
-                        best->compr_buf = NULL;
-                        best->compr_buf_size = 0;
-                        best->stat_compr_blocks++;
-                        best->stat_compr_orig_size += best_slen;
-                        best->stat_compr_new_size  += best_dlen;
-                        ret = best->compr;
-                }
-                spin_unlock(&jffs2_compressor_list_lock);
-                break;
-        default:
-                printk(KERN_ERR "JFFS2: unknow compression mode.\n");
-        }
+			this->usecount++;
+			spin_unlock(&jffs2_compressor_list_lock);
+			*datalen  = orig_slen;
+			*cdatalen = orig_dlen;
+			compr_ret = this->compress(data_in, output_buf, datalen, cdatalen, NULL);
+			spin_lock(&jffs2_compressor_list_lock);
+			this->usecount--;
+			if (!compr_ret) {
+				ret = this->compr;
+				this->stat_compr_blocks++;
+				this->stat_compr_orig_size += *datalen;
+				this->stat_compr_new_size  += *cdatalen;
+				break;
+			}
+		}
+		spin_unlock(&jffs2_compressor_list_lock);
+		if (ret == JFFS2_COMPR_NONE)
+			kfree(output_buf);
+		break;
+	case JFFS2_COMPR_MODE_SIZE:
+		orig_slen = *datalen;
+		orig_dlen = *cdatalen;
+		spin_lock(&jffs2_compressor_list_lock);
+		list_for_each_entry(this, &jffs2_compressor_list, list) {
+			/* Skip decompress-only backwards-compatibility and disabled modules */
+			if ((!this->compress)||(this->disabled))
+				continue;
+			/* Allocating memory for output buffer if necessary */
+			if ((this->compr_buf_size<orig_dlen)&&(this->compr_buf)) {
+				spin_unlock(&jffs2_compressor_list_lock);
+				kfree(this->compr_buf);
+				spin_lock(&jffs2_compressor_list_lock);
+				this->compr_buf_size=0;
+				this->compr_buf=NULL;
+			}
+			if (!this->compr_buf) {
+				spin_unlock(&jffs2_compressor_list_lock);
+				tmp_buf = kmalloc(orig_dlen,GFP_KERNEL);
+				spin_lock(&jffs2_compressor_list_lock);
+				if (!tmp_buf) {
+					printk(KERN_WARNING "JFFS2: No memory for compressor allocation. (%d bytes)\n",orig_dlen);
+					continue;
+				}
+				else {
+					this->compr_buf = tmp_buf;
+					this->compr_buf_size = orig_dlen;
+				}
+			}
+			this->usecount++;
+			spin_unlock(&jffs2_compressor_list_lock);
+			*datalen  = orig_slen;
+			*cdatalen = orig_dlen;
+			compr_ret = this->compress(data_in, this->compr_buf, datalen, cdatalen, NULL);
+			spin_lock(&jffs2_compressor_list_lock);
+			this->usecount--;
+			if (!compr_ret) {
+				if ((!best_dlen)||(best_dlen>*cdatalen)) {
+					best_dlen = *cdatalen;
+					best_slen = *datalen;
+					best = this;
+				}
+			}
+		}
+		if (best_dlen) {
+			*cdatalen = best_dlen;
+			*datalen  = best_slen;
+			output_buf = best->compr_buf;
+			best->compr_buf = NULL;
+			best->compr_buf_size = 0;
+			best->stat_compr_blocks++;
+			best->stat_compr_orig_size += best_slen;
+			best->stat_compr_new_size  += best_dlen;
+			ret = best->compr;
+		}
+		spin_unlock(&jffs2_compressor_list_lock);
+		break;
+	default:
+		printk(KERN_ERR "JFFS2: unknow compression mode.\n");
+	}
  out:
-        if (ret == JFFS2_COMPR_NONE) {
-	        *cpage_out = data_in;
-	        *datalen = *cdatalen;
-                none_stat_compr_blocks++;
-                none_stat_compr_size += *datalen;
-        }
-        else {
-                *cpage_out = output_buf;
-        }
+	if (ret == JFFS2_COMPR_NONE) {
+		*cpage_out = data_in;
+		*datalen = *cdatalen;
+		none_stat_compr_blocks++;
+		none_stat_compr_size += *datalen;
+	}
+	else {
+		*cpage_out = output_buf;
+	}
 	return ret;
 }
 
@@ -165,8 +166,8 @@ 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)
 {
-        struct jffs2_compressor *this;
-        int ret;
+	struct jffs2_compressor *this;
+	int ret;
 
 	/* Older code had a bug where it would write non-zero 'usercompr'
 	   fields. Deal with it. */
@@ -177,32 +178,32 @@ int jffs2_decompress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
 	case JFFS2_COMPR_NONE:
 		/* This should be special-cased elsewhere, but we might as well deal with it */
 		memcpy(data_out, cdata_in, datalen);
-                none_stat_decompr_blocks++;
+		none_stat_decompr_blocks++;
 		break;
 	case JFFS2_COMPR_ZERO:
 		memset(data_out, 0, datalen);
 		break;
 	default:
-                spin_lock(&jffs2_compressor_list_lock);
-                list_for_each_entry(this, &jffs2_compressor_list, list) {
-                        if (comprtype == this->compr) {
-                                this->usecount++;
-                                spin_unlock(&jffs2_compressor_list_lock);
-                                ret = this->decompress(cdata_in, data_out, cdatalen, datalen, NULL);
-                                spin_lock(&jffs2_compressor_list_lock);
-                                if (ret) {
-                                        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;
-                        }
-                }
+		spin_lock(&jffs2_compressor_list_lock);
+		list_for_each_entry(this, &jffs2_compressor_list, list) {
+			if (comprtype == this->compr) {
+				this->usecount++;
+				spin_unlock(&jffs2_compressor_list_lock);
+				ret = this->decompress(cdata_in, data_out, cdatalen, datalen, NULL);
+				spin_lock(&jffs2_compressor_list_lock);
+				if (ret) {
+					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;
+			}
+		}
 		printk(KERN_WARNING "JFFS2 compression type 0x%02x not available.\n", comprtype);
-                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) {
-                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;
 }