* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
+ * Copyright (C) 1995, 1996, 1997 Theodore Ts'o <tytso@mit.edu>
+ *
* This file can be redistributed under the terms of the GNU Library General
* Public License
*/
+#include <stdio.h>
+#include <stdlib.h>
#include <sys/types.h>
+#include <string.h>
#include <grp.h>
#include <pwd.h>
-#include <stdio.h>
#include <time.h>
-#include <linux/ext2_fs.h>
-
#include "e2p.h"
-static void print_user (unsigned short uid)
+static void print_user (unsigned short uid, FILE *f)
{
struct passwd *pw;
- printf ("%u ", uid);
+ fprintf(f, "%u ", uid);
pw = getpwuid (uid);
if (pw == NULL)
- printf ("(user unknown)\n");
+ fprintf(f, "(user unknown)\n");
else
- printf ("(user %s)\n", pw->pw_name);
+ fprintf(f, "(user %s)\n", pw->pw_name);
}
-static void print_group (unsigned short gid)
+static void print_group (unsigned short gid, FILE *f)
{
struct group *gr;
- printf ("%u ", gid);
+ fprintf(f, "%u ", gid);
gr = getgrgid (gid);
if (gr == NULL)
- printf ("(group unknown)\n");
+ fprintf(f, "(group unknown)\n");
else
- printf ("(group %s)\n", gr->gr_name);
+ fprintf(f, "(group %s)\n", gr->gr_name);
}
-void list_super (struct ext2_super_block * s)
+#define MONTH_INT (86400 * 30)
+#define WEEK_INT (86400 * 7)
+#define DAY_INT (86400)
+#define HOUR_INT (60 * 60)
+#define MINUTE_INT (60)
+
+static const char *interval_string(unsigned int secs)
+{
+ static char buf[256], tmp[80];
+ int hr, min, num;
+
+ buf[0] = 0;
+
+ if (secs == 0)
+ return "<none>";
+
+ if (secs >= MONTH_INT) {
+ num = secs / MONTH_INT;
+ secs -= num*MONTH_INT;
+ sprintf(buf, "%d month%s", num, (num>1) ? "s" : "");
+ }
+ if (secs >= WEEK_INT) {
+ num = secs / WEEK_INT;
+ secs -= num*WEEK_INT;
+ sprintf(tmp, "%s%d week%s", buf[0] ? ", " : "",
+ num, (num>1) ? "s" : "");
+ strcat(buf, tmp);
+ }
+ if (secs >= DAY_INT) {
+ num = secs / DAY_INT;
+ secs -= num*DAY_INT;
+ sprintf(tmp, "%s%d day%s", buf[0] ? ", " : "",
+ num, (num>1) ? "s" : "");
+ strcat(buf, tmp);
+ }
+ if (secs > 0) {
+ hr = secs / HOUR_INT;
+ secs -= hr*HOUR_INT;
+ min = secs / MINUTE_INT;
+ secs -= min*MINUTE_INT;
+ sprintf(tmp, "%s%d:%02d:%02d", buf[0] ? ", " : "",
+ hr, min, secs);
+ strcat(buf, tmp);
+ }
+ return buf;
+}
+
+static void print_features(struct ext2_super_block * s, FILE *f)
+{
+#ifdef EXT2_DYNAMIC_REV
+ int i, j, printed=0;
+ __u32 *mask = &s->s_feature_compat, m;
+
+ fprintf(f, "Filesystem features: ");
+ for (i=0; i <3; i++,mask++) {
+ for (j=0,m=1; j < 32; j++, m<<=1) {
+ if (*mask & m) {
+ fprintf(f, " %s", e2p_feature2string(i, m));
+ printed++;
+ }
+ }
+ }
+ if (printed == 0)
+ fprintf(f, " (none)");
+ fprintf(f, "\n");
+#endif
+}
+
+static void print_mntopts(struct ext2_super_block * s, FILE *f)
{
- printf ("Filesystem magic number: 0x%04X\n", s->s_magic);
- printf ("Filesystem state: ");
- print_fs_state (stdout, s->s_state);
- printf ("\n");
- printf ("Errors behavior: ");
- print_fs_errors (stdout, s->s_errors);
- printf ("\n");
- printf ("Inode count: %u\n", s->s_inodes_count);
- printf ("Block count: %u\n", s->s_blocks_count);
- printf ("Reserved block count: %u\n", s->s_r_blocks_count);
- printf ("Free blocks: %u\n", s->s_free_blocks_count);
- printf ("Free inodes: %u\n", s->s_free_inodes_count);
- printf ("First block: %u\n", s->s_first_data_block);
- printf ("Block size: %u\n", EXT2_BLOCK_SIZE(s));
- printf ("Fragment size: %u\n", EXT2_FRAG_SIZE(s));
- printf ("Blocks per group: %u\n", s->s_blocks_per_group);
- printf ("Fragments per group: %u\n", s->s_frags_per_group);
- printf ("Inodes per group: %u\n", s->s_inodes_per_group);
- printf ("Last mount time: %s", ctime ((time_t *) &s->s_mtime));
- printf ("Last write time: %s", ctime ((time_t *) &s->s_wtime));
- printf ("Mount count: %u\n", s->s_mnt_count);
- printf ("Maximum mount count: %d\n", s->s_max_mnt_count);
- printf ("Last checked: %s", ctime ((time_t *) &s->s_lastcheck));
- printf ("Check interval: %u\n", s->s_checkinterval);
- if (s->s_checkinterval)
+#ifdef EXT2_DYNAMIC_REV
+ int i, printed=0;
+ __u32 mask = s->s_default_mount_opts, m;
+
+ fprintf(f, "Default mount options: ");
+ if (mask & EXT3_DEFM_JMODE) {
+ fprintf(f, " %s", e2p_mntopt2string(mask & EXT3_DEFM_JMODE));
+ printed++;
+ }
+ for (i=0,m=1; i < 32; i++, m<<=1) {
+ if (m & EXT3_DEFM_JMODE)
+ continue;
+ if (mask & m) {
+ fprintf(f, " %s", e2p_mntopt2string(m));
+ printed++;
+ }
+ }
+ if (printed == 0)
+ fprintf(f, " (none)");
+ fprintf(f, "\n");
+#endif
+}
+
+static void print_super_flags(struct ext2_super_block * s, FILE *f)
+{
+ int flags_found = 0;
+
+ if (s->s_flags == 0)
+ return;
+
+ fputs("Filesystem flags: ", f);
+ if (s->s_flags & EXT2_FLAGS_SIGNED_HASH) {
+ fputs("signed_directory_hash ", f);
+ flags_found++;
+ }
+ if (s->s_flags & EXT2_FLAGS_UNSIGNED_HASH) {
+ fputs("unsigned_directory_hash ", f);
+ flags_found++;
+ }
+ if (s->s_flags & EXT2_FLAGS_TEST_FILESYS) {
+ fputs("test_filesystem ", f);
+ flags_found++;
+ }
+ if (flags_found)
+ fputs("\n", f);
+ else
+ fputs("(none)\n", f);
+}
+
+
+#ifndef EXT2_INODE_SIZE
+#define EXT2_INODE_SIZE(s) sizeof(struct ext2_inode)
+#endif
+
+#ifndef EXT2_GOOD_OLD_REV
+#define EXT2_GOOD_OLD_REV 0
+#endif
+
+void list_super2(struct ext2_super_block * sb, FILE *f)
+{
+ int inode_blocks_per_group;
+ char buf[80], *str;
+ time_t tm;
+
+ inode_blocks_per_group = (((sb->s_inodes_per_group *
+ EXT2_INODE_SIZE(sb)) +
+ EXT2_BLOCK_SIZE(sb) - 1) /
+ EXT2_BLOCK_SIZE(sb));
+ if (sb->s_volume_name[0]) {
+ memset(buf, 0, sizeof(buf));
+ strncpy(buf, sb->s_volume_name, sizeof(sb->s_volume_name));
+ } else
+ strcpy(buf, "<none>");
+ fprintf(f, "Filesystem volume name: %s\n", buf);
+ if (sb->s_last_mounted[0]) {
+ memset(buf, 0, sizeof(buf));
+ strncpy(buf, sb->s_last_mounted, sizeof(sb->s_last_mounted));
+ } else
+ strcpy(buf, "<not available>");
+ fprintf(f, "Last mounted on: %s\n", buf);
+ fprintf(f, "Filesystem UUID: %s\n", e2p_uuid2str(sb->s_uuid));
+ fprintf(f, "Filesystem magic number: 0x%04X\n", sb->s_magic);
+ fprintf(f, "Filesystem revision #: %d", sb->s_rev_level);
+ if (sb->s_rev_level == EXT2_GOOD_OLD_REV) {
+ fprintf(f, " (original)\n");
+#ifdef EXT2_DYNAMIC_REV
+ } else if (sb->s_rev_level == EXT2_DYNAMIC_REV) {
+ fprintf(f, " (dynamic)\n");
+#endif
+ } else
+ fprintf(f, " (unknown)\n");
+ print_features(sb, f);
+ print_super_flags(sb, f);
+ print_mntopts(sb, f);
+ fprintf(f, "Filesystem state: ");
+ print_fs_state (f, sb->s_state);
+ fprintf(f, "\n");
+ fprintf(f, "Errors behavior: ");
+ print_fs_errors(f, sb->s_errors);
+ fprintf(f, "\n");
+ str = e2p_os2string(sb->s_creator_os);
+ fprintf(f, "Filesystem OS type: %s\n", str);
+ free(str);
+ fprintf(f, "Inode count: %u\n", sb->s_inodes_count);
+ fprintf(f, "Block count: %u\n", sb->s_blocks_count);
+ fprintf(f, "Reserved block count: %u\n", sb->s_r_blocks_count);
+ fprintf(f, "Free blocks: %u\n", sb->s_free_blocks_count);
+ fprintf(f, "Free inodes: %u\n", sb->s_free_inodes_count);
+ fprintf(f, "First block: %u\n", sb->s_first_data_block);
+ fprintf(f, "Block size: %u\n", EXT2_BLOCK_SIZE(sb));
+ fprintf(f, "Fragment size: %u\n", EXT2_FRAG_SIZE(sb));
+ if (sb->s_reserved_gdt_blocks)
+ fprintf(f, "Reserved GDT blocks: %u\n",
+ sb->s_reserved_gdt_blocks);
+ fprintf(f, "Blocks per group: %u\n", sb->s_blocks_per_group);
+ fprintf(f, "Fragments per group: %u\n", sb->s_frags_per_group);
+ fprintf(f, "Inodes per group: %u\n", sb->s_inodes_per_group);
+ fprintf(f, "Inode blocks per group: %u\n", inode_blocks_per_group);
+ if (sb->s_raid_stride)
+ fprintf(f, "RAID stride: %u\n",
+ sb->s_raid_stride);
+ if (sb->s_raid_stripe_width)
+ fprintf(f, "RAID stripe width: %u\n",
+ sb->s_raid_stripe_width);
+ if (sb->s_first_meta_bg)
+ fprintf(f, "First meta block group: %u\n",
+ sb->s_first_meta_bg);
+ if (sb->s_log_groups_per_flex)
+ fprintf(f, "Flex block group size: %u\n",
+ 1 << sb->s_log_groups_per_flex);
+ if (sb->s_mkfs_time) {
+ tm = sb->s_mkfs_time;
+ fprintf(f, "Filesystem created: %s", ctime(&tm));
+ }
+ tm = sb->s_mtime;
+ fprintf(f, "Last mount time: %s",
+ sb->s_mtime ? ctime(&tm) : "n/a\n");
+ tm = sb->s_wtime;
+ fprintf(f, "Last write time: %s", ctime(&tm));
+ fprintf(f, "Mount count: %u\n", sb->s_mnt_count);
+ fprintf(f, "Maximum mount count: %d\n", sb->s_max_mnt_count);
+ tm = sb->s_lastcheck;
+ fprintf(f, "Last checked: %s", ctime(&tm));
+ fprintf(f, "Check interval: %u (%s)\n", sb->s_checkinterval,
+ interval_string(sb->s_checkinterval));
+ if (sb->s_checkinterval)
{
time_t next;
- next = s->s_lastcheck + s->s_checkinterval;
- printf ("Next check after: %s", ctime (&next));
+ next = sb->s_lastcheck + sb->s_checkinterval;
+ fprintf(f, "Next check after: %s", ctime(&next));
}
-#ifdef EXT2_DEF_RESUID
- printf ("Reserved blocks uid: ");
- print_user (s->s_def_resuid);
- printf ("Reserved blocks gid: ");
- print_group (s->s_def_resuid);
-#endif
+#define POW2(x) ((__u64) 1 << (x))
+ if (sb->s_kbytes_written) {
+ fprintf(f, "Lifetime writes: ");
+ if (sb->s_kbytes_written < POW2(13))
+ fprintf(f, "%llu kB\n", sb->s_kbytes_written);
+ else if (sb->s_kbytes_written < POW2(23))
+ fprintf(f, "%llu MB\n",
+ (sb->s_kbytes_written + POW2(9)) >> 10);
+ else if (sb->s_kbytes_written < POW2(33))
+ fprintf(f, "%llu GB\n",
+ (sb->s_kbytes_written + POW2(19)) >> 20);
+ else if (sb->s_kbytes_written < POW2(43))
+ fprintf(f, "%llu TB\n",
+ (sb->s_kbytes_written + POW2(29)) >> 30);
+ else
+ fprintf(f, "%llu PB\n",
+ (sb->s_kbytes_written + POW2(39)) >> 40);
+ }
+ fprintf(f, "Reserved blocks uid: ");
+ print_user(sb->s_def_resuid, f);
+ fprintf(f, "Reserved blocks gid: ");
+ print_group(sb->s_def_resgid, f);
+ if (sb->s_rev_level >= EXT2_DYNAMIC_REV) {
+ fprintf(f, "First inode: %d\n", sb->s_first_ino);
+ fprintf(f, "Inode size: %d\n", sb->s_inode_size);
+ if (sb->s_min_extra_isize)
+ fprintf(f, "Required extra isize: %d\n",
+ sb->s_min_extra_isize);
+ if (sb->s_want_extra_isize)
+ fprintf(f, "Desired extra isize: %d\n",
+ sb->s_want_extra_isize);
+ }
+ if (!e2p_is_null_uuid(sb->s_journal_uuid))
+ fprintf(f, "Journal UUID: %s\n",
+ e2p_uuid2str(sb->s_journal_uuid));
+ if (sb->s_journal_inum)
+ fprintf(f, "Journal inode: %u\n",
+ sb->s_journal_inum);
+ if (sb->s_journal_dev)
+ fprintf(f, "Journal device: 0x%04x\n",
+ sb->s_journal_dev);
+ if (sb->s_last_orphan)
+ fprintf(f, "First orphan inode: %u\n",
+ sb->s_last_orphan);
+ if ((sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) ||
+ sb->s_def_hash_version)
+ fprintf(f, "Default directory hash: %s\n",
+ e2p_hash2string(sb->s_def_hash_version));
+ if (!e2p_is_null_uuid(sb->s_hash_seed))
+ fprintf(f, "Directory Hash Seed: %s\n",
+ e2p_uuid2str(sb->s_hash_seed));
+ if (sb->s_jnl_backup_type) {
+ fprintf(f, "Journal backup: ");
+ switch (sb->s_jnl_backup_type) {
+ case 1:
+ fprintf(f, "inode blocks\n");
+ break;
+ default:
+ fprintf(f, "type %u\n", sb->s_jnl_backup_type);
+ }
+ }
+}
+
+void list_super (struct ext2_super_block * s)
+{
+ list_super2(s, stdout);
}
+
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff