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Add support for manipulating large_file feature in mke2fs and tune2fs
[tools/e2fsprogs.git] / misc / mke2fs.c
index f0183ed..e16c5f0 100644 (file)
@@ -1,7 +1,8 @@
 /*
  * mke2fs.c - Make a ext2fs filesystem.
  * 
- * Copyright (C) 1994, 1995, 1996, 1997 Theodore Ts'o.
+ * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+ *     2003, 2004, 2005 by Theodore Ts'o.
  *
  * %Begin-Header%
  * This file may be redistributed under the terms of the GNU Public
@@ -50,6 +51,8 @@ extern int optind;
 #include "e2p/e2p.h"
 #include "ext2fs/ext2fs.h"
 #include "util.h"
+#include "profile.h"
+#include "prof_err.h"
 #include "../version.h"
 #include "nls-enable.h"
 
@@ -77,23 +80,27 @@ int journal_flags;
 char   *bad_blocks_filename;
 __u32  fs_stride;
 
-struct ext2_super_block param;
+struct ext2_super_block fs_param;
 char *creator_os;
 char *volume_label;
 char *mount_dir;
 char *journal_device;
 int sync_kludge;       /* Set using the MKE2FS_SYNC env. option */
 
+profile_t      profile;
+
 int sys_page_size = 4096;
+int linux_version_code = 0;
 
 static void usage(void)
 {
        fprintf(stderr, _("Usage: %s [-c|-t|-l filename] [-b block-size] "
-       "[-f fragment-size]\n\t[-i bytes-per-inode] [-j] [-J journal-options]"
-       " [-N number-of-inodes]\n\t[-m reserved-blocks-percentage] "
-       "[-o creator-os] [-g blocks-per-group]\n\t[-L volume-label] "
-       "[-M last-mounted-directory] [-O feature[,...]]\n\t"
-       "[-r fs-revision] [-R raid_opts] [-qvSV] device [blocks-count]\n"),
+       "[-f fragment-size]\n\t[-i bytes-per-inode] [-I inode-size] "
+       "[-j] [-J journal-options]\n"
+       "\t[-N number-of-inodes] [-m reserved-blocks-percentage] "
+       "[-o creator-os]\n\t[-g blocks-per-group] [-L volume-label] "
+       "[-M last-mounted-directory]\n\t[-O feature[,...]] "
+       "[-r fs-revision] [-E extended-option[,...]] [-qvSV]\n\tdevice [blocks-count]\n"),
                program_name);
        exit(1);
 }
@@ -119,70 +126,32 @@ static int int_log10(unsigned int arg)
        return l;
 }
 
-/*
- * This function sets the default parameters for a filesystem
- *
- * The type is specified by the user.  The size is the maximum size
- * (in megabytes) for which a set of parameters applies, with a size
- * of zero meaning that it is the default parameter for the type.
- * Note that order is important in the table below.
- */
-#define DEF_MAX_BLOCKSIZE -1
-static char default_str[] = "default";
-struct mke2fs_defaults {
-       const char      *type;
-       int             size;
-       int             blocksize;
-       int             inode_ratio;
-} settings[] = {
-       { default_str, 0, 4096, 8192 },
-       { default_str, 512, 1024, 4096 },
-       { default_str, 3, 1024, 8192 },
-       { "journal", 0, 4096, 8192 },
-       { "news", 0, 4096, 4096 },
-       { "largefile", 0, DEF_MAX_BLOCKSIZE, 1024 * 1024 },
-       { "largefile4", 0, DEF_MAX_BLOCKSIZE, 4096 * 1024 },
-       { 0, 0, 0, 0},
-};
-
-static void set_fs_defaults(const char *fs_type,
-                           struct ext2_super_block *super,
-                           int blocksize, int *inode_ratio)
+static int parse_version_number(const char *s)
 {
-       int     megs;
-       int     ratio = 0;
-       struct mke2fs_defaults *p;
-
-       megs = super->s_blocks_count * (EXT2_BLOCK_SIZE(super) / 1024) / 1024;
-       if (inode_ratio)
-               ratio = *inode_ratio;
-       if (!fs_type)
-               fs_type = default_str;
-       for (p = settings; p->type; p++) {
-               if ((strcmp(p->type, fs_type) != 0) &&
-                   (strcmp(p->type, default_str) != 0))
-                       continue;
-               if ((p->size != 0) &&
-                   (megs > p->size))
-                       continue;
-               if (ratio == 0)
-                       *inode_ratio = p->inode_ratio < blocksize ?
-                               blocksize : p->inode_ratio;
-               if (blocksize == 0) {
-                       if (p->blocksize == DEF_MAX_BLOCKSIZE)
-                               p->blocksize = sys_page_size;
-                       super->s_log_frag_size = super->s_log_block_size =
-                               int_log2(p->blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
-               }
-       }
-       if (blocksize == 0)
-               super->s_blocks_count /= EXT2_BLOCK_SIZE(super) / 1024;
+       int     major, minor, rev;
+       char    *endptr;
+       const char *cp = s;
+
+       if (!s)
+               return 0;
+       major = strtol(cp, &endptr, 10);
+       if (cp == endptr || *endptr != '.')
+               return 0;
+       cp = endptr + 1;
+       minor = strtol(cp, &endptr, 10);
+       if (cp == endptr || *endptr != '.')
+               return 0;
+       cp = endptr + 1;
+       rev = strtol(cp, &endptr, 10);
+       if (cp == endptr)
+               return 0;
+       return ((((major * 256) + minor) * 256) + rev);
 }
 
 /*
  * Helper function for read_bb_file and test_disk
  */
-static void invalid_block(ext2_filsys fs, blk_t blk)
+static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 {
        fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
        return;
@@ -221,15 +190,15 @@ static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
        errcode_t       retval;
        char            buf[1024];
 
-       sprintf(buf, "badblocks -b %d %s%s%s %d", fs->blocksize,
+       sprintf(buf, "badblocks -b %d -X %s%s%s %u", fs->blocksize,
                quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
-               fs->device_name, fs->super->s_blocks_count);
+               fs->device_name, fs->super->s_blocks_count-1);
        if (verbose)
                printf(_("Running command: %s\n"), buf);
        f = popen(buf, "r");
        if (!f) {
                com_err("popen", errno,
-                       _("while trying run '%s'"), buf);
+                       _("while trying to run '%s'"), buf);
                exit(1);
        }
        retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
@@ -243,8 +212,9 @@ static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 
 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 {
-       int                     i, j;
-       int                     must_be_good;
+       dgrp_t                  i;
+       blk_t                   j;
+       unsigned                must_be_good;
        blk_t                   blk;
        badblocks_iterate       bb_iter;
        errcode_t               retval;
@@ -264,10 +234,10 @@ static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
                if (ext2fs_badblocks_list_test(bb_list, i)) {
                        fprintf(stderr, _("Block %d in primary "
                                "superblock/group descriptor area bad.\n"), i);
-                       fprintf(stderr, _("Blocks %d through %d must be good "
+                       fprintf(stderr, _("Blocks %u through %u must be good "
                                "in order to build a filesystem.\n"),
                                fs->super->s_first_data_block, must_be_good);
-                       fprintf(stderr, _("Aborting....\n"));
+                       fputs(_("Aborting....\n"), stderr);
                        exit(1);
                }
        }
@@ -287,7 +257,7 @@ static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
                                                       group_block + j)) {
                                if (!group_bad) 
                                        fprintf(stderr,
-_("Warning: the backup superblock/group descriptors at block %d contain\n"
+_("Warning: the backup superblock/group descriptors at block %u contain\n"
 "      bad blocks.\n\n"),
                                                group_block);
                                group_bad++;
@@ -320,6 +290,7 @@ struct progress_struct {
        char            format[20];
        char            backup[80];
        __u32           max;
+       int             skip_progress;
 };
 
 static void progress_init(struct progress_struct *progress,
@@ -338,17 +309,21 @@ static void progress_init(struct progress_struct *progress,
        sprintf(progress->format, "%%%dd/%%%dld", i, i);
        memset(progress->backup, '\b', sizeof(progress->backup)-1);
        progress->backup[sizeof(progress->backup)-1] = 0;
-       if ((2*i)+1 < sizeof(progress->backup))
+       if ((2*i)+1 < (int) sizeof(progress->backup))
                progress->backup[(2*i)+1] = 0;
        progress->max = max;
 
+       progress->skip_progress = 0;
+       if (getenv("MKE2FS_SKIP_PROGRESS"))
+               progress->skip_progress++;
+
        fputs(label, stdout);
        fflush(stdout);
 }
 
 static void progress_update(struct progress_struct *progress, __u32 val)
 {
-       if (progress->format[0] == 0)
+       if ((progress->format[0] == 0) || progress->skip_progress)
                return;
        printf(progress->format, val, progress->max);
        fputs(progress->backup, stdout);
@@ -427,8 +402,10 @@ static void write_inode_tables(ext2_filsys fs)
 {
        errcode_t       retval;
        blk_t           blk;
-       int             i, num;
+       dgrp_t          i;
+       int             num;
        struct progress_struct progress;
+       int             lazy_flag = 0;
 
        if (quiet)
                memset(&progress, 0, sizeof(progress));
@@ -436,18 +413,25 @@ static void write_inode_tables(ext2_filsys fs)
                progress_init(&progress, _("Writing inode tables: "),
                              fs->group_desc_count);
 
+       if (EXT2_HAS_COMPAT_FEATURE(fs->super, 
+                                   EXT2_FEATURE_COMPAT_LAZY_BG))
+               lazy_flag = 1;
+
        for (i = 0; i < fs->group_desc_count; i++) {
                progress_update(&progress, i);
                
                blk = fs->group_desc[i].bg_inode_table;
                num = fs->inode_blocks_per_group;
 
-               retval = zero_blocks(fs, blk, num, 0, &blk, &num);
-               if (retval) {
-                       fprintf(stderr, _("\nCould not write %d blocks "
-                               "in inode table starting at %d: %s\n"),
-                               num, blk, error_message(retval));
-                       exit(1);
+               if (!(lazy_flag &&
+                     (fs->group_desc[i].bg_flags & EXT2_BG_INODE_UNINIT))) {
+                       retval = zero_blocks(fs, blk, num, 0, &blk, &num);
+                       if (retval) {
+                               fprintf(stderr, _("\nCould not write %d "
+                               "blocks in inode table starting at %u: %s\n"),
+                                       num, blk, error_message(retval));
+                               exit(1);
+                       }
                }
                if (sync_kludge) {
                        if (sync_kludge == 1)
@@ -460,10 +444,42 @@ static void write_inode_tables(ext2_filsys fs)
        progress_close(&progress);
 }
 
+static void setup_lazy_bg(ext2_filsys fs)
+{
+       dgrp_t i;
+       int blks;
+       struct ext2_super_block *sb = fs->super;
+       struct ext2_group_desc *bg = fs->group_desc;
+
+       if (EXT2_HAS_COMPAT_FEATURE(fs->super, 
+                                   EXT2_FEATURE_COMPAT_LAZY_BG)) {
+               for (i = 0; i < fs->group_desc_count; i++, bg++) {
+                       if ((i == 0) ||
+                           (i == fs->group_desc_count-1))
+                               continue;
+                       if (bg->bg_free_inodes_count ==
+                           sb->s_inodes_per_group) {
+                               bg->bg_free_inodes_count = 0;
+                               bg->bg_flags |= EXT2_BG_INODE_UNINIT;
+                               sb->s_free_inodes_count -= 
+                                       sb->s_inodes_per_group;
+                       }
+                       blks = ext2fs_super_and_bgd_loc(fs, i, 0, 0, 0, 0);
+                       if (bg->bg_free_blocks_count == blks) {
+                               bg->bg_free_blocks_count = 0;
+                               bg->bg_flags |= EXT2_BG_BLOCK_UNINIT;
+                               sb->s_free_blocks_count -= blks;
+                       }
+               }
+       }
+}
+
+
 static void create_root_dir(ext2_filsys fs)
 {
-       errcode_t       retval;
+       errcode_t               retval;
        struct ext2_inode       inode;
+       __u32                   uid, gid;
 
        retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
        if (retval) {
@@ -477,10 +493,15 @@ static void create_root_dir(ext2_filsys fs)
                                _("while reading root inode"));
                        exit(1);
                }
-               inode.i_uid = getuid();
-               if (inode.i_uid)
-                       inode.i_gid = getgid();
-               retval = ext2fs_write_inode(fs, EXT2_ROOT_INO, &inode);
+               uid = getuid();
+               inode.i_uid = uid;
+               ext2fs_set_i_uid_high(inode, uid >> 16);
+               if (uid) {
+                       gid = getgid();
+                       inode.i_gid = gid;
+                       ext2fs_set_i_gid_high(inode, gid >> 16);
+               }
+               retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
                if (retval) {
                        com_err("ext2fs_write_inode", retval,
                                _("while setting root inode ownership"));
@@ -642,23 +663,22 @@ static void show_stats(ext2_filsys fs)
 {
        struct ext2_super_block *s = fs->super;
        char                    buf[80];
+        char                    *os;
        blk_t                   group_block;
-       int                     i, need, col_left;
+       dgrp_t                  i;
+       int                     need, col_left;
        
-       if (param.s_blocks_count != s->s_blocks_count)
-               fprintf(stderr, _("warning: %d blocks unused.\n\n"),
-                      param.s_blocks_count - s->s_blocks_count);
+       if (fs_param.s_blocks_count != s->s_blocks_count)
+               fprintf(stderr, _("warning: %u blocks unused.\n\n"),
+                      fs_param.s_blocks_count - s->s_blocks_count);
 
        memset(buf, 0, sizeof(buf));
        strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
        printf(_("Filesystem label=%s\n"), buf);
-       printf(_("OS type: "));
-       switch (fs->super->s_creator_os) {
-           case EXT2_OS_LINUX: printf ("Linux"); break;
-           case EXT2_OS_HURD:  printf ("GNU/Hurd");   break;
-           case EXT2_OS_MASIX: printf ("Masix"); break;
-           default:            printf (_("(unknown os)"));
-        }
+       fputs(_("OS type: "), stdout);
+        os = e2p_os2string(fs->super->s_creator_os);
+       fputs(os, stdout);
+       free(os);
        printf("\n");
        printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
                s->s_log_block_size);
@@ -670,6 +690,11 @@ static void show_stats(ext2_filsys fs)
                s->s_r_blocks_count,
               100.0 * s->s_r_blocks_count / s->s_blocks_count);
        printf(_("First data block=%u\n"), s->s_first_data_block);
+       if (s->s_reserved_gdt_blocks)
+               printf(_("Maximum filesystem blocks=%lu\n"),
+                      (s->s_reserved_gdt_blocks + fs->desc_blocks) *
+                      (fs->blocksize / sizeof(struct ext2_group_desc)) *
+                      s->s_blocks_per_group);
        if (fs->group_desc_count > 1)
                printf(_("%u block groups\n"), fs->group_desc_count);
        else
@@ -682,7 +707,7 @@ static void show_stats(ext2_filsys fs)
                printf("\n");
                return;
        }
-       
+
        printf(_("Superblock backups stored on blocks: "));
        group_block = s->s_first_data_block;
        col_left = 0;
@@ -717,6 +742,10 @@ static int set_os(struct ext2_super_block *sb, char *os)
                sb->s_creator_os = EXT2_OS_HURD;
        else if (strcasecmp(os, "masix") == 0)
                sb->s_creator_os = EXT2_OS_MASIX;
+       else if (strcasecmp(os, "freebsd") == 0)
+               sb->s_creator_os = EXT2_OS_FREEBSD;
+       else if (strcasecmp(os, "lites") == 0)
+               sb->s_creator_os = EXT2_OS_LITES;
        else
                return 0;
        return 1;
@@ -724,17 +753,18 @@ static int set_os(struct ext2_super_block *sb, char *os)
 
 #define PATH_SET "PATH=/sbin"
 
-static void parse_raid_opts(const char *opts)
+static void parse_extended_opts(struct ext2_super_block *param, 
+                               const char *opts)
 {
-       char    *buf, *token, *next, *p, *arg;
+       char    *buf, *token, *next, *p, *arg, *badopt = "";
        int     len;
-       int     raid_usage = 0;
+       int     r_usage = 0;
 
        len = strlen(opts);
        buf = malloc(len+1);
        if (!buf) {
-               fprintf(stderr, _("Couldn't allocate memory to parse "
-                       "raid options!\n"));
+               fprintf(stderr,
+                       _("Couldn't allocate memory to parse options!\n"));
                exit(1);
        }
        strcpy(buf, opts);
@@ -744,7 +774,7 @@ static void parse_raid_opts(const char *opts)
                if (p) {
                        *p = 0;
                        next = p+1;
-               } 
+               }
                arg = strchr(token, '=');
                if (arg) {
                        *arg = 0;
@@ -752,72 +782,200 @@ static void parse_raid_opts(const char *opts)
                }
                if (strcmp(token, "stride") == 0) {
                        if (!arg) {
-                               raid_usage++;
+                               r_usage++;
+                               badopt = token;
+                               continue;
+                       }
+                       param->s_raid_stride = strtoul(arg, &p, 0);
+                       if (*p || (param->s_raid_stride == 0)) {
+                               fprintf(stderr,
+                                       _("Invalid stride parameter: %s\n"),
+                                       arg);
+                               r_usage++;
+                               continue;
+                       }
+               } else if (strcmp(token, "stripe-width") == 0 ||
+                          strcmp(token, "stripe_width") == 0) {
+                       if (!arg) {
+                               r_usage++;
+                               badopt = token;
                                continue;
                        }
-                       fs_stride = strtoul(arg, &p, 0);
-                       if (*p || (fs_stride == 0)) {
+                       param->s_raid_stripe_width = strtoul(arg, &p, 0);
+                       if (*p || (param->s_raid_stripe_width == 0)) {
                                fprintf(stderr,
-                                       _("Invalid stride parameter.\n"));
-                               raid_usage++;
+                                       _("Invalid stripe-width parameter: %s\n"),
+                                       arg);
+                               r_usage++;
+                               continue;
+                       }
+               } else if (!strcmp(token, "resize")) {
+                       unsigned long resize, bpg, rsv_groups;
+                       unsigned long group_desc_count, desc_blocks;
+                       unsigned int gdpb, blocksize;
+                       int rsv_gdb;
+
+                       if (!arg) {
+                               r_usage++;
+                               badopt = token;
                                continue;
                        }
-               } else
-                       raid_usage++;
+
+                       resize = parse_num_blocks(arg, 
+                                                 param->s_log_block_size);
+
+                       if (resize == 0) {
+                               fprintf(stderr, 
+                                       _("Invalid resize parameter: %s\n"),
+                                       arg);
+                               r_usage++;
+                               continue;
+                       }
+                       if (resize <= param->s_blocks_count) {
+                               fprintf(stderr, 
+                                       _("The resize maximum must be greater "
+                                         "than the filesystem size.\n"));
+                               r_usage++;
+                               continue;
+                       }
+
+                       blocksize = EXT2_BLOCK_SIZE(param);
+                       bpg = param->s_blocks_per_group;
+                       if (!bpg)
+                               bpg = blocksize * 8;
+                       gdpb = blocksize / sizeof(struct ext2_group_desc);
+                       group_desc_count = 
+                               ext2fs_div_ceil(param->s_blocks_count, bpg);
+                       desc_blocks = (group_desc_count +
+                                      gdpb - 1) / gdpb;
+                       rsv_groups = ext2fs_div_ceil(resize, bpg);
+                       rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - 
+                               desc_blocks;
+                       if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
+                               rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
+
+                       if (rsv_gdb > 0) {
+                               if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
+                                       fprintf(stderr, 
+       _("On-line resizing not supported with revision 0 filesystems\n"));
+                                       free(buf);
+                                       exit(1);
+                               }
+                               param->s_feature_compat |=
+                                       EXT2_FEATURE_COMPAT_RESIZE_INODE;
+
+                               param->s_reserved_gdt_blocks = rsv_gdb;
+                       }
+               } else if (!strcmp(token, "test_fs")) {
+                       param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
+               } else {
+                       r_usage++;
+                       badopt = token;
+               }
        }
-       if (raid_usage) {
-               fprintf(stderr, _("\nBad raid options specified.\n\n"
-                       "Raid options are separated by commas, "
+       if (r_usage) {
+               fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
+                       "Extended options are separated by commas, "
                        "and may take an argument which\n"
                        "\tis set off by an equals ('=') sign.\n\n"
-                       "Valid raid options are:\n"
-                       "\tstride=<stride length in blocks>\n\n"));
+                       "Valid extended options are:\n"
+                       "\tstride=<RAID per-disk data chunk in blocks>\n"
+                       "\tstripe-width=<RAID stride * data disks in blocks>\n"
+                       "\tresize=<resize maximum size in blocks>\n\n"
+                       "\ttest_fs\n"),
+                       badopt);
+               free(buf);
                exit(1);
        }
+       if (param->s_raid_stride &&
+           (param->s_raid_stripe_width % param->s_raid_stride) != 0)
+               fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
+                                 "multiple of stride %u.\n\n"),
+                       param->s_raid_stripe_width, param->s_raid_stride);
+
+       free(buf);
 }      
 
 static __u32 ok_features[3] = {
+       /* Compat */
        EXT3_FEATURE_COMPAT_HAS_JOURNAL |
-               EXT2_FEATURE_COMPAT_DIR_INDEX,  /* Compat */
-       EXT2_FEATURE_INCOMPAT_FILETYPE|         /* Incompat */
+               EXT2_FEATURE_COMPAT_RESIZE_INODE |
+               EXT2_FEATURE_COMPAT_DIR_INDEX |
+               EXT2_FEATURE_COMPAT_LAZY_BG |
+               EXT2_FEATURE_COMPAT_EXT_ATTR,
+       /* Incompat */
+       EXT2_FEATURE_INCOMPAT_FILETYPE|
                EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
                EXT2_FEATURE_INCOMPAT_META_BG,
-       EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER     /* R/O compat */
+       /* R/O compat */
+       EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
+               EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER
 };
 
 
+static void syntax_err_report(const char *filename, long err, int line_num)
+{
+       fprintf(stderr, 
+               _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
+               filename, line_num, error_message(err));
+       exit(1);
+}
+
+static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
+
+static void edit_feature(const char *str, __u32 *compat_array) 
+{
+       if (!str)
+               return;
+
+       if (e2p_edit_feature(str, compat_array, ok_features)) {
+               fprintf(stderr, _("Invalid filesystem option set: %s\n"), 
+                       str);
+               exit(1);
+       }
+}
+
+extern const char *mke2fs_default_profile;
+static const char *default_files[] = { "<default>", 0 };
+
 static void PRS(int argc, char *argv[])
 {
-       int             c;
+       int             b, c;
        int             size;
-       char *          tmp;
+       char            *tmp, *tmp2;
        int             blocksize = 0;
        int             inode_ratio = 0;
        int             inode_size = 0;
-       int             reserved_ratio = 5;
-       ext2_ino_t      num_inodes = 0;
+       double          reserved_ratio = 5.0;
+       int             sector_size = 0;
+       int             show_version_only = 0;
+       unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
        errcode_t       retval;
        char *          oldpath = getenv("PATH");
-       char *          raid_opts = 0;
+       char *          extended_opts = 0;
        const char *    fs_type = 0;
-       int             default_features = 1;
        blk_t           dev_size;
 #ifdef __linux__
        struct          utsname ut;
 #endif
        long            sysval;
+       int             s_opt = -1, r_opt = -1;
+       char            *fs_features = 0;
+       int             use_bsize;
+       char            *newpath;
+       int             pathlen = sizeof(PATH_SET) + 1;
+
+       if (oldpath)
+               pathlen += strlen(oldpath);
+       newpath = malloc(pathlen);
+       strcpy(newpath, PATH_SET);
 
        /* Update our PATH to include /sbin  */
        if (oldpath) {
-               char *newpath;
-               
-               newpath = malloc(sizeof (PATH_SET) + 1 + strlen (oldpath));
-               strcpy (newpath, PATH_SET);
                strcat (newpath, ":");
                strcat (newpath, oldpath);
-               putenv (newpath);
-       } else
-               putenv (PATH_SET);
+       }
+       putenv (newpath);
 
        tmp = getenv("MKE2FS_SYNC");
        if (tmp)
@@ -834,34 +992,32 @@ static void PRS(int argc, char *argv[])
                sys_page_size = sysval;
 #endif /* _SC_PAGESIZE */
 #endif /* HAVE_SYSCONF */
+
+       if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
+               config_fn[0] = tmp;
+       profile_set_syntax_err_cb(syntax_err_report);
+       retval = profile_init(config_fn, &profile);
+       if (retval == ENOENT) {
+               profile_init(default_files, &profile);
+               profile_set_default(profile, mke2fs_default_profile);
+       }
        
        setbuf(stdout, NULL);
        setbuf(stderr, NULL);
-       initialize_ext2_error_table();
-       memset(&param, 0, sizeof(struct ext2_super_block));
-       param.s_rev_level = 1;  /* Create revision 1 filesystems now */
-       param.s_feature_incompat |= EXT2_FEATURE_INCOMPAT_FILETYPE;
-       param.s_feature_ro_compat |= EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
-#if 0
-       param.s_feature_compat |= EXT2_FEATURE_COMPAT_DIR_INDEX;
-#endif
+       add_error_table(&et_ext2_error_table);
+       add_error_table(&et_prof_error_table);
+       memset(&fs_param, 0, sizeof(struct ext2_super_block));
+       fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
 
 #ifdef __linux__
        if (uname(&ut)) {
                perror("uname");
                exit(1);
        }
-       if ((ut.release[0] == '1') ||
-           (ut.release[0] == '2' && ut.release[1] == '.' &&
-            ut.release[2] < '2' && ut.release[3] == '.')) {
-               param.s_rev_level = 0;
-               param.s_feature_incompat = 0;
-               param.s_feature_compat = 0;
-               param.s_feature_ro_compat = 0;
-       }
+       linux_version_code = parse_version_number(ut.release);
+       if (linux_version_code && linux_version_code < (2*65536 + 2*256))
+               fs_param.s_rev_level = 0;
 #endif
-       fprintf (stderr, "mke2fs %s (%s)\n",
-                E2FSPROGS_VERSION, E2FSPROGS_DATE);
 
        if (argc && *argv) {
                program_name = get_progname(*argv);
@@ -872,22 +1028,25 @@ static void PRS(int argc, char *argv[])
        }
 
        while ((c = getopt (argc, argv,
-                   "b:cf:g:i:jl:m:no:qr:R:s:tvI:J:ST:FL:M:N:O:V")) != EOF)
+                   "b:cf:g:i:jl:m:no:qr:s:tvE:FI:J:L:M:N:O:R:ST:V")) != EOF) {
                switch (c) {
                case 'b':
-                       blocksize = strtoul(optarg, &tmp, 0);
-                       if (blocksize < EXT2_MIN_BLOCK_SIZE ||
-                           blocksize > EXT2_MAX_BLOCK_SIZE || *tmp) {
+                       blocksize = strtol(optarg, &tmp, 0);
+                       b = (blocksize > 0) ? blocksize : -blocksize;
+                       if (b < EXT2_MIN_BLOCK_SIZE ||
+                           b > EXT2_MAX_BLOCK_SIZE || *tmp) {
                                com_err(program_name, 0,
-                                       _("bad block size - %s"), optarg);
+                                       _("invalid block size - %s"), optarg);
                                exit(1);
                        }
                        if (blocksize > 4096)
                                fprintf(stderr, _("Warning: blocksize %d not "
                                                  "usable on most systems.\n"),
                                        blocksize);
-                       param.s_log_block_size =
-                               int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
+                       if (blocksize > 0) 
+                               fs_param.s_log_block_size =
+                                       int_log2(blocksize >>
+                                                EXT2_MIN_BLOCK_LOG_SIZE);
                        break;
                case 'c':       /* Check for bad blocks */
                case 't':       /* deprecated */
@@ -898,23 +1057,23 @@ static void PRS(int argc, char *argv[])
                        if (size < EXT2_MIN_BLOCK_SIZE ||
                            size > EXT2_MAX_BLOCK_SIZE || *tmp) {
                                com_err(program_name, 0,
-                                       _("bad fragment size - %s"),
+                                       _("invalid fragment size - %s"),
                                        optarg);
                                exit(1);
                        }
-                       param.s_log_frag_size =
+                       fs_param.s_log_frag_size =
                                int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE);
                        fprintf(stderr, _("Warning: fragments not supported.  "
                               "Ignoring -f option\n"));
                        break;
                case 'g':
-                       param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
+                       fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
                        if (*tmp) {
                                com_err(program_name, 0,
                                        _("Illegal number for blocks per group"));
                                exit(1);
                        }
-                       if ((param.s_blocks_per_group % 8) != 0) {
+                       if ((fs_param.s_blocks_per_group % 8) != 0) {
                                com_err(program_name, 0,
                                _("blocks per group must be multiple of 8"));
                                exit(1);
@@ -926,7 +1085,7 @@ static void PRS(int argc, char *argv[])
                            inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 ||
                            *tmp) {
                                com_err(program_name, 0,
-                                       _("bad inode ratio %s (min %d/max %d"),
+                                       _("invalid inode ratio %s (min %d/max %d)"),
                                        optarg, EXT2_MIN_BLOCK_SIZE,
                                        EXT2_MAX_BLOCK_SIZE);
                                exit(1);
@@ -936,8 +1095,6 @@ static void PRS(int argc, char *argv[])
                        parse_journal_opts(optarg);
                        break;
                case 'j':
-                       param.s_feature_compat |=
-                               EXT3_FEATURE_COMPAT_HAS_JOURNAL;
                        if (!journal_size)
                                journal_size = -1;
                        break;
@@ -951,10 +1108,10 @@ static void PRS(int argc, char *argv[])
                        strcpy(bad_blocks_filename, optarg);
                        break;
                case 'm':
-                       reserved_ratio = strtoul(optarg, &tmp, 0);
+                       reserved_ratio = strtod(optarg, &tmp);
                        if (reserved_ratio > 50 || *tmp) {
                                com_err(program_name, 0,
-                                       _("bad reserved blocks percent - %s"),
+                                       _("invalid reserved blocks percent - %s"),
                                        optarg);
                                exit(1);
                        }
@@ -965,43 +1122,34 @@ static void PRS(int argc, char *argv[])
                case 'o':
                        creator_os = optarg;
                        break;
+               case 'q':
+                       quiet = 1;
+                       break;
                case 'r':
-                       param.s_rev_level = atoi(optarg);
-                       if (param.s_rev_level == EXT2_GOOD_OLD_REV) {
-                               param.s_feature_incompat = 0;
-                               param.s_feature_compat = 0;
-                               param.s_feature_ro_compat = 0;
+                       r_opt = strtoul(optarg, &tmp, 0);
+                       if (*tmp) {
+                               com_err(program_name, 0,
+                                       _("bad revision level - %s"), optarg);
+                               exit(1);
                        }
+                       fs_param.s_rev_level = r_opt;
                        break;
                case 's':       /* deprecated */
-                       if (atoi(optarg))
-                               param.s_feature_ro_compat |=
-                                       EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
-                       else 
-                               param.s_feature_ro_compat &=
-                                       ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
+                       s_opt = atoi(optarg);
                        break;
-#ifdef EXT2_DYNAMIC_REV
                case 'I':
                        inode_size = strtoul(optarg, &tmp, 0);
                        if (*tmp) {
                                com_err(program_name, 0,
-                                       _("bad inode size - %s"), optarg);
+                                       _("invalid inode size - %s"), optarg);
                                exit(1);
                        }
                        break;
-#endif
-               case 'N':
-                       num_inodes = atoi(optarg);
-                       break;
                case 'v':
                        verbose = 1;
                        break;
-               case 'q':
-                       quiet = 1;
-                       break;
                case 'F':
-                       force = 1;
+                       force++;
                        break;
                case 'L':
                        volume_label = optarg;
@@ -1009,25 +1157,20 @@ static void PRS(int argc, char *argv[])
                case 'M':
                        mount_dir = optarg;
                        break;
-               case 'O':
-                       if (!strcmp(optarg, "none") || default_features) {
-                               param.s_feature_compat = 0;
-                               param.s_feature_incompat = 0;
-                               param.s_feature_ro_compat = 0;
-                               default_features = 0;
-                       }
-                       if (!strcmp(optarg, "none"))
-                               break;
-                       if (e2p_edit_feature(optarg,
-                                           &param.s_feature_compat,
-                                           ok_features)) {
-                               fprintf(stderr,
-                                       _("Invalid filesystem option set: %s\n"), optarg);
-                               exit(1);
+               case 'N':
+                       num_inodes = strtoul(optarg, &tmp, 0);
+                       if (*tmp) {
+                               com_err(program_name, 0,
+                                       _("bad num inodes - %s"), optarg);
+                                       exit(1);
                        }
                        break;
+               case 'O':
+                       fs_features = optarg;
+                       break;
+               case 'E':
                case 'R':
-                       raid_opts = optarg;
+                       extended_opts = optarg;
                        break;
                case 'S':
                        super_only = 1;
@@ -1037,50 +1180,58 @@ static void PRS(int argc, char *argv[])
                        break;
                case 'V':
                        /* Print version number and exit */
-                       fprintf(stderr, _("\tUsing %s\n"),
-                               error_message(EXT2_ET_BASE));
-                       exit(0);
+                       show_version_only++;
+                       break;
                default:
                        usage();
                }
-       if (optind == argc)
-               usage();
-       device_name = argv[optind];
-       optind++;
-       if (optind < argc) {
-               unsigned long tmp2  = strtoul(argv[optind++], &tmp, 0);
-
-               if ((*tmp) || (tmp2 > 0xfffffffful)) {
-                       com_err(program_name, 0, _("bad blocks count - %s"),
-                               argv[optind - 1]);
-                       exit(1);
-               }
-               param.s_blocks_count = tmp2;
        }
-       if (optind < argc)
+       if ((optind == argc) && !show_version_only)
                usage();
+       device_name = argv[optind++];
 
-       if (raid_opts)
-               parse_raid_opts(raid_opts);
+       if (!quiet || show_version_only)
+               fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION, 
+                        E2FSPROGS_DATE);
+
+       if (show_version_only) {
+               fprintf(stderr, _("\tUsing %s\n"), 
+                       error_message(EXT2_ET_BASE));
+               exit(0);
+       }
 
        /*
         * If there's no blocksize specified and there is a journal
         * device, use it to figure out the blocksize
         */
-       if (blocksize == 0 && journal_device) {
+       if (blocksize <= 0 && journal_device) {
                ext2_filsys     jfs;
+               io_manager      io_ptr;
 
+#ifdef CONFIG_TESTIO_DEBUG
+               io_ptr = test_io_manager;
+               test_io_backing_manager = unix_io_manager;
+#else
+               io_ptr = unix_io_manager;
+#endif
                retval = ext2fs_open(journal_device,
                                     EXT2_FLAG_JOURNAL_DEV_OK, 0,
-                                    0, unix_io_manager, &jfs);
+                                    0, io_ptr, &jfs);
                if (retval) {
                        com_err(program_name, retval,
                                _("while trying to open journal device %s\n"),
                                journal_device);
                        exit(1);
                }
+               if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
+                       com_err(program_name, 0,
+                               _("Journal dev blocksize (%d) smaller than "
+                                 "minimum blocksize %d\n"), jfs->blocksize,
+                               -blocksize);
+                       exit(1);
+               }
                blocksize = jfs->blocksize;
-               param.s_log_block_size =
+               fs_param.s_log_block_size =
                        int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
                ext2fs_close(jfs);
        }
@@ -1096,39 +1247,47 @@ static void PRS(int argc, char *argv[])
                                  "(max %d), forced to continue\n"),
                        blocksize, sys_page_size);
        }
-
-       if (param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
-               if (!fs_type)
-                       fs_type = "journal";
-               reserved_ratio = 0;
-               param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
-               param.s_feature_compat = 0;
-               param.s_feature_ro_compat = 0;
-       }
-       if (param.s_rev_level == EXT2_GOOD_OLD_REV &&
-           (param.s_feature_compat || param.s_feature_ro_compat ||
-            param.s_feature_incompat))
-               param.s_rev_level = 1;  /* Create a revision 1 filesystem */
+       if (optind < argc) {
+               fs_param.s_blocks_count = parse_num_blocks(argv[optind++], 
+                               fs_param.s_log_block_size);
+               if (!fs_param.s_blocks_count) {
+                       com_err(program_name, 0, _("invalid blocks count - %s"),
+                               argv[optind - 1]);
+                       exit(1);
+               }
+       }
+       if (optind < argc)
+               usage();
 
        if (!force)
                check_plausibility(device_name);
        check_mount(device_name, force, _("filesystem"));
 
-       param.s_log_frag_size = param.s_log_block_size;
+       fs_param.s_log_frag_size = fs_param.s_log_block_size;
 
-       if (noaction && param.s_blocks_count) {
-               dev_size = param.s_blocks_count;
+       if (noaction && fs_param.s_blocks_count) {
+               dev_size = fs_param.s_blocks_count;
                retval = 0;
-       } else
+       } else {
+       retry:
                retval = ext2fs_get_device_size(device_name,
-                                               EXT2_BLOCK_SIZE(&param),
+                                               EXT2_BLOCK_SIZE(&fs_param),
                                                &dev_size);
+               if ((retval == EFBIG) &&
+                   (blocksize == 0) && 
+                   (fs_param.s_log_block_size == 0)) {
+                       fs_param.s_log_block_size = 2;
+                       blocksize = 4096;
+                       goto retry;
+               }
+       }
+                       
        if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
                com_err(program_name, retval,
                        _("while trying to determine filesystem size"));
                exit(1);
        }
-       if (!param.s_blocks_count) {
+       if (!fs_param.s_blocks_count) {
                if (retval == EXT2_ET_UNIMPLEMENTED) {
                        com_err(program_name, 0,
                                _("Couldn't determine device size; you "
@@ -1148,78 +1307,264 @@ static void PRS(int argc, char *argv[])
                                  ));
                                exit(1);
                        }
-                       param.s_blocks_count = dev_size;
+                       fs_param.s_blocks_count = dev_size;
+                       if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
+                               fs_param.s_blocks_count &= ~((sys_page_size /
+                                          EXT2_BLOCK_SIZE(&fs_param))-1);
                }
                
-       } else if (!force && (param.s_blocks_count > dev_size)) {
+       } else if (!force && (fs_param.s_blocks_count > dev_size)) {
                com_err(program_name, 0,
-                       _("Filesystem larger than apparent filesystem size."));
+                       _("Filesystem larger than apparent device size."));
                proceed_question();
        }
 
-       /*
-        * If the user asked for HAS_JOURNAL, then make sure a journal
-        * gets created.
-        */
-       if ((param.s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) &&
-           !journal_size)
-               journal_size = -1;
+       if (!fs_type) {
+               int megs = (__u64)fs_param.s_blocks_count *
+                       (EXT2_BLOCK_SIZE(&fs_param) / 1024) / 1024;
 
+               if (fs_param.s_feature_incompat & 
+                   EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)
+                       fs_type = "journal";
+               else if (megs <= 3)
+                       fs_type = "floppy";
+               else if (megs <= 512)
+                       fs_type = "small";
+               else
+                       fs_type = "default";
+       }
+
+       /* Figure out what features should be enabled */
+
+       tmp = tmp2 = NULL;
+       if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
+               profile_get_string(profile, "defaults", "base_features", 0,
+                                  "sparse_super,filetype,resize_inode,dir_index",
+                                  &tmp);
+               profile_get_string(profile, "fs_types", fs_type, 
+                                  "base_features", tmp, &tmp2);
+               edit_feature(tmp2, &fs_param.s_feature_compat);
+               free(tmp);
+               free(tmp2);
+
+               tmp = tmp2 = NULL;
+               profile_get_string(profile, "defaults", "default_features", 0,
+                                  "", &tmp);
+               profile_get_string(profile, "fs_types", fs_type, 
+                                  "default_features", tmp, &tmp2);
+       }
+       edit_feature(fs_features ? fs_features : tmp2, 
+                    &fs_param.s_feature_compat);
+       if (tmp)
+               free(tmp);
+       if (tmp2)
+               free(tmp2);
+
+       if (r_opt == EXT2_GOOD_OLD_REV && 
+           (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
+            fs_param.s_feature_incompat)) {
+               fprintf(stderr, _("Filesystem features not supported "
+                                 "with revision 0 filesystems\n"));
+               exit(1);
+       }
+
+       if (s_opt > 0) {
+               if (r_opt == EXT2_GOOD_OLD_REV) {
+                       fprintf(stderr, _("Sparse superblocks not supported "
+                                 "with revision 0 filesystems\n"));
+                       exit(1);
+               }
+               fs_param.s_feature_ro_compat |=
+                       EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
+       } else if (s_opt == 0)
+               fs_param.s_feature_ro_compat &=
+                       ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
+
+       if (journal_size != 0) {
+               if (r_opt == EXT2_GOOD_OLD_REV) {
+                       fprintf(stderr, _("Journals not supported "
+                                 "with revision 0 filesystems\n"));
+                       exit(1);
+               }
+               fs_param.s_feature_compat |= 
+                       EXT3_FEATURE_COMPAT_HAS_JOURNAL;
+       }
+
+       if (fs_param.s_feature_incompat & 
+           EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
+               reserved_ratio = 0;
+               fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
+               fs_param.s_feature_compat = 0;
+               fs_param.s_feature_ro_compat = 0;
+       }
+       
        /* Set first meta blockgroup via an environment variable */
        /* (this is mostly for debugging purposes) */
-       if ((param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
+       if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
            ((tmp = getenv("MKE2FS_FIRST_META_BG"))))
-               param.s_first_meta_bg = atoi(tmp);
+               fs_param.s_first_meta_bg = atoi(tmp);
+
+       /* Get the hardware sector size, if available */
+       retval = ext2fs_get_device_sectsize(device_name, &sector_size);
+       if (retval) {
+               com_err(program_name, retval,
+                       _("while trying to determine hardware sector size"));
+               exit(1);
+       }
+
+       if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL)
+               sector_size = atoi(tmp);
+       
+       if (blocksize <= 0) {
+               profile_get_integer(profile, "defaults", "blocksize", 0,
+                                   4096, &use_bsize);
+               profile_get_integer(profile, "fs_types", fs_type, 
+                                   "blocksize", use_bsize, &use_bsize);
+
+               if (use_bsize == -1) {
+                       use_bsize = sys_page_size;
+                       if ((linux_version_code < (2*65536 + 6*256)) &&
+                           (use_bsize > 4096))
+                               use_bsize = 4096;
+               }
+               if (sector_size && use_bsize < sector_size)
+                       use_bsize = sector_size;
+               if ((blocksize < 0) && (use_bsize < (-blocksize)))
+                       use_bsize = -blocksize;
+               blocksize = use_bsize;
+               fs_param.s_blocks_count /= blocksize / 1024;
+       }
+
+       if (inode_ratio == 0) {
+               profile_get_integer(profile, "defaults", "inode_ratio", 0,
+                                   8192, &inode_ratio);
+               profile_get_integer(profile, "fs_types", fs_type, 
+                                   "inode_ratio", inode_ratio, 
+                                   &inode_ratio);
+
+               if (inode_ratio < blocksize)
+                       inode_ratio = blocksize;
+       }
 
-       set_fs_defaults(fs_type, &param, blocksize, &inode_ratio);
+       fs_param.s_log_frag_size = fs_param.s_log_block_size =
+               int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
+
+       blocksize = EXT2_BLOCK_SIZE(&fs_param);
+       
+       if (extended_opts)
+               parse_extended_opts(&fs_param, extended_opts);
+
+       /* Since sparse_super is the default, we would only have a problem
+        * here if it was explicitly disabled.
+        */
+       if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) &&
+           !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
+               com_err(program_name, 0,
+                       _("reserved online resize blocks not supported "
+                         "on non-sparse filesystem"));
+               exit(1);
+       }
 
-       if (param.s_blocks_per_group) {
-               if (param.s_blocks_per_group < 256 ||
-                   param.s_blocks_per_group > 8 * EXT2_BLOCK_SIZE(&param)) {
+       if (fs_param.s_blocks_per_group) {
+               if (fs_param.s_blocks_per_group < 256 ||
+                   fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
                        com_err(program_name, 0,
                                _("blocks per group count out of range"));
                        exit(1);
                }
        }
 
-       if (inode_size) {
+       if (!force && fs_param.s_blocks_count >= ((unsigned) 1 << 31)) {
+               com_err(program_name, 0,
+                       _("Filesystem too large.  No more than 2**31-1 blocks\n"
+                         "\t (8TB using a blocksize of 4k) are currently supported."));
+             exit(1);
+       }
+
+       if ((blocksize > 4096) &&
+           (fs_param.s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL))
+               fprintf(stderr, _("\nWarning: some 2.4 kernels do not support "
+                       "blocksizes greater than 4096\n\tusing ext3.  "
+                       "Use -b 4096 if this is an issue for you.\n\n"));
+
+       if (inode_size == 0) {
+               profile_get_integer(profile, "defaults", "inode_size", NULL,
+                                   0, &inode_size);
+               profile_get_integer(profile, "fs_types", fs_type,
+                                   "inode_size", inode_size,
+                                   &inode_size);
+       }
+
+       if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
                if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
-                   inode_size > EXT2_BLOCK_SIZE(&param) ||
+                   inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
                    inode_size & (inode_size - 1)) {
                        com_err(program_name, 0,
-                               _("bad inode size %d (min %d/max %d)"),
+                               _("invalid inode size %d (min %d/max %d)"),
                                inode_size, EXT2_GOOD_OLD_INODE_SIZE,
-                               EXT2_BLOCK_SIZE(&param));
+                               blocksize);
                        exit(1);
                }
                if (inode_size != EXT2_GOOD_OLD_INODE_SIZE)
                        fprintf(stderr, _("Warning: %d-byte inodes not usable "
-                               "on most systems\n"),
+                               "on older systems\n"),
                                inode_size);
-               param.s_inode_size = inode_size;
+               fs_param.s_inode_size = inode_size;
        }
 
+       /* Make sure number of inodes specified will fit in 32 bits */
+       if (num_inodes == 0) {
+               unsigned long long n;
+               n = (unsigned long long) fs_param.s_blocks_count * blocksize / inode_ratio;
+               if (n > ~0U) {
+                       com_err(program_name, 0,
+                           _("too many inodes (%llu), raise inode ratio?"), n);
+                       exit(1);
+               }
+       } else if (num_inodes > ~0U) {
+               com_err(program_name, 0,
+                       _("too many inodes (%llu), specify < 2^32 inodes"),
+                         num_inodes);
+               exit(1);
+       }
        /*
         * Calculate number of inodes based on the inode ratio
         */
-       param.s_inodes_count = num_inodes ? num_inodes : 
-               ((__u64) param.s_blocks_count * EXT2_BLOCK_SIZE(&param))
+       fs_param.s_inodes_count = num_inodes ? num_inodes : 
+               ((__u64) fs_param.s_blocks_count * blocksize)
                        / inode_ratio;
 
+       if ((((long long)fs_param.s_inodes_count) *
+            (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
+           (((long long)fs_param.s_blocks_count) * 
+            EXT2_BLOCK_SIZE(&fs_param))) {
+               com_err(program_name, 0, _("inode_size (%u) * inodes_count "
+                                         "(%u) too big for a\n\t"
+                                         "filesystem with %lu blocks, "
+                                         "specify higher inode_ratio (-i)\n\t"
+                                         "or lower inode count (-N).\n"),
+                       inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
+                       fs_param.s_inodes_count, 
+                       (unsigned long) fs_param.s_blocks_count);
+               exit(1);
+       }
+
        /*
         * Calculate number of blocks to reserve
         */
-       param.s_r_blocks_count = (param.s_blocks_count * reserved_ratio) / 100;
-
+       fs_param.s_r_blocks_count = e2p_percent(reserved_ratio, 
+                                               fs_param.s_blocks_count);
 }
-                                       
+
 int main (int argc, char *argv[])
 {
        errcode_t       retval = 0;
        ext2_filsys     fs;
        badblocks_list  bb_list = 0;
        int             journal_blocks;
-       int             i, val;
+       unsigned int    i;
+       int             val;
+       io_manager      io_ptr;
 
 #ifdef ENABLE_NLS
        setlocale(LC_MESSAGES, "");
@@ -1229,16 +1574,26 @@ int main (int argc, char *argv[])
 #endif
        PRS(argc, argv);
 
+#ifdef CONFIG_TESTIO_DEBUG
+       io_ptr = test_io_manager;
+       test_io_backing_manager = unix_io_manager;
+#else
+       io_ptr = unix_io_manager;
+#endif
+
        /*
         * Initialize the superblock....
         */
-       retval = ext2fs_initialize(device_name, 0, &param,
-                                  unix_io_manager, &fs);
+       retval = ext2fs_initialize(device_name, EXT2_FLAG_EXCLUSIVE, &fs_param,
+                                  io_ptr, &fs);
        if (retval) {
                com_err(device_name, retval, _("while setting up superblock"));
                exit(1);
        }
 
+       if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
+               fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
+
        /*
         * Wipe out the old on-disk superblock
         */
@@ -1319,7 +1674,7 @@ int main (int argc, char *argv[])
                test_disk(fs, &bb_list);
 
        handle_bad_blocks(fs, bb_list);
-       fs->stride = fs_stride;
+       fs->stride = fs_stride = fs->super->s_raid_stride;
        retval = ext2fs_allocate_tables(fs);
        if (retval) {
                com_err(program_name, retval,
@@ -1331,7 +1686,7 @@ int main (int argc, char *argv[])
                fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
        } else {
                /* rsv must be a power of two (64kB is MD RAID sb alignment) */
-               int rsv = 65536 / fs->blocksize;
+               unsigned int rsv = 65536 / fs->blocksize;
                unsigned long blocks = fs->super->s_blocks_count;
                unsigned long start;
                blk_t ret_blk;
@@ -1357,11 +1712,21 @@ int main (int argc, char *argv[])
                                _("while zeroing block %u at end of filesystem"),
                                ret_blk);
                }
+               setup_lazy_bg(fs);
                write_inode_tables(fs);
                create_root_dir(fs);
                create_lost_and_found(fs);
                reserve_inodes(fs);
                create_bad_block_inode(fs, bb_list);
+               if (fs->super->s_feature_compat & 
+                   EXT2_FEATURE_COMPAT_RESIZE_INODE) {
+                       retval = ext2fs_create_resize_inode(fs);
+                       if (retval) {
+                               com_err("ext2fs_create_resize_inode", retval,
+                               _("while reserving blocks for online resize"));
+                               exit(1);
+                       }
+               }
        }
 
        if (journal_device) {
@@ -1396,7 +1761,9 @@ int main (int argc, char *argv[])
                        printf(_("done\n"));
                ext2fs_close(jfs);
                free(journal_device);
-       } else if (journal_size) {
+       } else if ((journal_size) ||
+                  (fs_param.s_feature_compat & 
+                   EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
                journal_blocks = figure_journal_size(journal_size, fs);
 
                if (!journal_blocks) {
@@ -1431,8 +1798,11 @@ no_journal:
        }
        if (!quiet) {
                printf(_("done\n\n"));
-               print_check_message(fs);
+               if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
+                       print_check_message(fs);
        }
        val = ext2fs_close(fs);
+       remove_error_table(&et_ext2_error_table);
+       remove_error_table(&et_prof_error_table);
        return (retval || val) ? 1 : 0;
 }