Allow specifying reserved blocks percentage

[project/make_ext4fs.git] / make_ext4fs.c

diff --git a/make_ext4fs.c b/make_ext4fs.c
index 553b066..edfa25c 100644 (file)
--- a/make_ext4fs.c
+++ b/make_ext4fs.c
@@ -372,28 +372,24 @@ static char *canonicalize_rel_slashes(const char *str)
 }
 
 int make_ext4fs_internal(int fd, const char *_directory,
-                                                const char *_mountpoint, fs_config_func_t fs_config_func, int gzip,
+                                                fs_config_func_t fs_config_func, int gzip,
                                                 int sparse, int crc, int wipe,
                                                 int verbose, time_t fixed_time,
                                                 FILE* block_list_file)
 {
        u32 root_inode_num;
        u16 root_mode;
-       char *mountpoint;
        char *directory = NULL;
 
        if (setjmp(setjmp_env))
                return EXIT_FAILURE; /* Handle a call to longjmp() */
 
-       if (_mountpoint == NULL) {
-               mountpoint = strdup("");
-       } else {
-               mountpoint = canonicalize_abs_slashes(_mountpoint);
+       if (_directory == NULL) {
+               fprintf(stderr, "Need a source directory\n");
+               return EXIT_FAILURE;
        }
 
-       if (_directory) {
-               directory = canonicalize_rel_slashes(_directory);
-       }
+       directory = canonicalize_rel_slashes(_directory);
 
        if (info.len <= 0)
                info.len = get_file_size(fd);
@@ -460,6 +456,7 @@ int make_ext4fs_internal(int fd, const char *_directory,
 
        printf("    Blocks: %"PRIu64"\n", aux_info.len_blocks);
        printf("    Block groups: %d\n", aux_info.groups);
+       printf("    Reserved blocks: %"PRIu64"\n",  (aux_info.len_blocks / 100) * info.reserve_pcnt);
        printf("    Reserved block group size: %d\n", info.bg_desc_reserve_blocks);
 
        ext4_sparse_file = sparse_file_new(info.block_size, info.len);
@@ -477,11 +474,8 @@ int make_ext4fs_internal(int fd, const char *_directory,
        if (info.feat_compat & EXT4_FEATURE_COMPAT_RESIZE_INODE)
                ext4_create_resize_inode();
 
-       if (directory)
-               root_inode_num = build_directory_structure(directory, mountpoint, 0,
-                       fs_config_func, verbose, fixed_time);
-       else
-               root_inode_num = build_default_directory_structure(mountpoint);
+       root_inode_num = build_directory_structure(directory, "", 0,
+               fs_config_func, verbose, fixed_time);
 
        root_mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
        inode_set_permissions(root_inode_num, root_mode, 0, 0, 0);
@@ -491,12 +485,11 @@ int make_ext4fs_internal(int fd, const char *_directory,
        ext4_queue_sb();
 
        if (block_list_file) {
-               size_t dirlen = directory ? strlen(directory) : 0;
+               size_t dirlen = strlen(directory);
                struct block_allocation* p = get_saved_allocation_chain();
                while (p) {
-                       if (directory && strncmp(p->filename, directory, dirlen) == 0) {
-                               // substitute mountpoint for the leading directory in the filename, in the output file
-                               fprintf(block_list_file, "%s%s", mountpoint, p->filename + dirlen);
+                       if (strncmp(p->filename, directory, dirlen) == 0) {
+                               fprintf(block_list_file, "%s", p->filename + dirlen);
                        } else {
                                fprintf(block_list_file, "%s", p->filename);
                        }
@@ -522,7 +515,6 @@ int make_ext4fs_internal(int fd, const char *_directory,
        sparse_file_destroy(ext4_sparse_file);
        ext4_sparse_file = NULL;
 
-       free(mountpoint);
        free(directory);
 
        return 0;