Revert "UPSTREAM: AOSP: erofs-utils: add block list support" am: 81667ec5d9

Original change: https://android-review.googlesource.com/c/platform/external/erofs-utils/+/1871744

Change-Id: I0ebe167556ee7ee1e67c3000c16812465793aced
diff --git a/include/erofs/block_list.h b/include/erofs/block_list.h
deleted file mode 100644
index 7756d8a..0000000
--- a/include/erofs/block_list.h
+++ /dev/null
@@ -1,27 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * erofs-utils/include/erofs/block_list.h
- *
- * Copyright (C), 2021, Coolpad Group Limited.
- * Created by Yue Hu <huyue2@yulong.com>
- */
-#ifndef __EROFS_BLOCK_LIST_H
-#define __EROFS_BLOCK_LIST_H
-
-#include "internal.h"
-
-#ifdef WITH_ANDROID
-int erofs_droid_blocklist_fopen(void);
-void erofs_droid_blocklist_fclose(void);
-void erofs_droid_blocklist_write(struct erofs_inode *inode,
-				 erofs_blk_t blk_start, erofs_blk_t nblocks);
-void erofs_droid_blocklist_write_tail_end(struct erofs_inode *inode,
-					  erofs_blk_t blkaddr);
-#else
-static inline void erofs_droid_blocklist_write(struct erofs_inode *inode,
-				 erofs_blk_t blk_start, erofs_blk_t nblocks) {}
-static inline
-void erofs_droid_blocklist_write_tail_end(struct erofs_inode *inode,
-					  erofs_blk_t blkaddr) {}
-#endif
-#endif
diff --git a/include/erofs/config.h b/include/erofs/config.h
index 67e7a0f..d140a73 100644
--- a/include/erofs/config.h
+++ b/include/erofs/config.h
@@ -65,7 +65,6 @@
 	char *mount_point;
 	char *target_out_path;
 	char *fs_config_file;
-	char *block_list_file;
 #endif
 };
 
diff --git a/lib/block_list.c b/lib/block_list.c
deleted file mode 100644
index 3be0992..0000000
--- a/lib/block_list.c
+++ /dev/null
@@ -1,90 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * erofs-utils/lib/block_list.c
- *
- * Copyright (C), 2021, Coolpad Group Limited.
- * Created by Yue Hu <huyue2@yulong.com>
- */
-#ifdef WITH_ANDROID
-#include <stdio.h>
-#include <sys/stat.h>
-#include "erofs/block_list.h"
-
-#define pr_fmt(fmt) "EROFS block_list: " FUNC_LINE_FMT fmt "\n"
-#include "erofs/print.h"
-
-static FILE *block_list_fp = NULL;
-
-int erofs_droid_blocklist_fopen(void)
-{
-	if (block_list_fp)
-		return 0;
-
-	block_list_fp = fopen(cfg.block_list_file, "w");
-
-	if (!block_list_fp)
-		return -1;
-	return 0;
-}
-
-void erofs_droid_blocklist_fclose(void)
-{
-	if (!block_list_fp)
-		return;
-
-	fclose(block_list_fp);
-	block_list_fp = NULL;
-}
-
-static void blocklist_write(const char *path, erofs_blk_t blk_start,
-			    erofs_blk_t nblocks, bool has_tail)
-{
-	const char *fspath = erofs_fspath(path);
-
-	fprintf(block_list_fp, "/%s", cfg.mount_point);
-
-	if (fspath[0] != '/')
-		fprintf(block_list_fp, "/");
-
-	if (nblocks == 1)
-		fprintf(block_list_fp, "%s %u", fspath, blk_start);
-	else
-		fprintf(block_list_fp, "%s %u-%u", fspath, blk_start,
-			blk_start + nblocks - 1);
-
-	if (!has_tail)
-		fprintf(block_list_fp, "\n");
-}
-
-void erofs_droid_blocklist_write(struct erofs_inode *inode,
-				 erofs_blk_t blk_start, erofs_blk_t nblocks)
-{
-	if (!block_list_fp || !cfg.mount_point || !nblocks)
-		return;
-
-	blocklist_write(inode->i_srcpath, blk_start, nblocks,
-			!!inode->idata_size);
-}
-
-void erofs_droid_blocklist_write_tail_end(struct erofs_inode *inode,
-					  erofs_blk_t blkaddr)
-{
-	if (!block_list_fp || !cfg.mount_point)
-		return;
-
-	/* XXX: a bit hacky.. may need a better approach */
-	if (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))
-		return;
-
-	/* XXX: another hack, which means it has been outputed before */
-	if (erofs_blknr(inode->i_size)) {
-		if (blkaddr == NULL_ADDR)
-			fprintf(block_list_fp, "\n");
-		else
-			fprintf(block_list_fp, " %u\n", blkaddr);
-		return;
-	}
-	if (blkaddr != NULL_ADDR)
-		blocklist_write(inode->i_srcpath, blkaddr, 1, false);
-}
-#endif
diff --git a/lib/compress.c b/lib/compress.c
index af0c720..2093bfd 100644
--- a/lib/compress.c
+++ b/lib/compress.c
@@ -18,7 +18,6 @@
 #include "erofs/cache.h"
 #include "erofs/compress.h"
 #include "compressor.h"
-#include "erofs/block_list.h"
 
 static struct erofs_compress compresshandle;
 static int compressionlevel;
@@ -572,7 +571,6 @@
 		DBG_BUGON(ret);
 	}
 	inode->compressmeta = compressmeta;
-	erofs_droid_blocklist_write(inode, blkaddr, compressed_blocks);
 	return 0;
 
 err_bdrop:
diff --git a/lib/inode.c b/lib/inode.c
index 4134f8a..787e5b4 100644
--- a/lib/inode.c
+++ b/lib/inode.c
@@ -21,7 +21,6 @@
 #include "erofs/compress.h"
 #include "erofs/xattr.h"
 #include "erofs/exclude.h"
-#include "erofs/block_list.h"
 
 #define S_SHIFT                 12
 static unsigned char erofs_ftype_by_mode[S_IFMT >> S_SHIFT] = {
@@ -370,7 +369,6 @@
 			return -EIO;
 		}
 	}
-	erofs_droid_blocklist_write(inode, inode->u.i_blkaddr, nblocks);
 	return 0;
 }
 
@@ -640,8 +638,6 @@
 
 		ibh->fsprivate = erofs_igrab(inode);
 		ibh->op = &erofs_write_inline_bhops;
-
-		erofs_droid_blocklist_write_tail_end(inode, NULL_ADDR);
 	} else {
 		int ret;
 		erofs_off_t pos;
@@ -661,8 +657,6 @@
 		inode->idata_size = 0;
 		free(inode->idata);
 		inode->idata = NULL;
-
-		erofs_droid_blocklist_write_tail_end(inode, erofs_blknr(pos));
 	}
 out:
 	/* now bh_data can drop directly */
diff --git a/mkfs/main.c b/mkfs/main.c
index 28539da..e476189 100644
--- a/mkfs/main.c
+++ b/mkfs/main.c
@@ -22,7 +22,6 @@
 #include "erofs/compress.h"
 #include "erofs/xattr.h"
 #include "erofs/exclude.h"
-#include "erofs/block_list.h"
 
 #ifdef HAVE_LIBUUID
 #include <uuid.h>
@@ -48,7 +47,6 @@
 	{"mount-point", required_argument, NULL, 10},
 	{"product-out", required_argument, NULL, 11},
 	{"fs-config-file", required_argument, NULL, 12},
-	{"block-list-file", required_argument, NULL, 13},
 #endif
 	{0, 0, 0, 0},
 };
@@ -97,7 +95,6 @@
 	      " --mount-point=X       X=prefix of target fs path (default: /)\n"
 	      " --product-out=X       X=product_out directory\n"
 	      " --fs-config-file=X    X=fs_config file\n"
-	      " --block-list-file=X    X=block_list file\n"
 #endif
 	      "\nAvailable compressors are: ", stderr);
 	print_available_compressors(stderr, ", ");
@@ -296,9 +293,6 @@
 		case 12:
 			cfg.fs_config_file = optarg;
 			break;
-		case 13:
-			cfg.block_list_file = optarg;
-			break;
 #endif
 		case 'C':
 			i = strtoull(optarg, &endptr, 0);
@@ -547,11 +541,6 @@
 		erofs_err("failed to load fs config %s", cfg.fs_config_file);
 		return 1;
 	}
-
-	if (cfg.block_list_file && erofs_droid_blocklist_fopen() < 0) {
-		erofs_err("failed to open %s", cfg.block_list_file);
-		return 1;
-	}
 #endif
 
 	erofs_show_config();
@@ -618,9 +607,6 @@
 		err = erofs_mkfs_superblock_csum_set();
 exit:
 	z_erofs_compress_exit();
-#ifdef WITH_ANDROID
-	erofs_droid_blocklist_fclose();
-#endif
 	dev_close();
 	erofs_cleanup_exclude_rules();
 	erofs_exit_configure();