diff options
Diffstat (limited to 'e2fsprogs/old_e2fsprogs/util.c')
| -rw-r--r-- | e2fsprogs/old_e2fsprogs/util.c | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/e2fsprogs/old_e2fsprogs/util.c b/e2fsprogs/old_e2fsprogs/util.c deleted file mode 100644 index 3e7ee8e75..000000000 --- a/e2fsprogs/old_e2fsprogs/util.c +++ /dev/null @@ -1,263 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * util.c --- helper functions used by tune2fs and mke2fs - * - * Copyright 1995, 1996, 1997, 1998, 1999, 2000 by Theodore Ts'o. - * - * Licensed under GPLv2, see file LICENSE in this source tree. - */ - -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <linux/major.h> -#include <sys/stat.h> - -#include "e2fsbb.h" -#include "e2p/e2p.h" -#include "ext2fs/ext2_fs.h" -#include "ext2fs/ext2fs.h" -#include "blkid/blkid.h" -#include "util.h" - -void proceed_question(void) -{ - fputs("Proceed anyway? (y,n) ", stdout); - if (bb_ask_confirmation() == 0) - exit(1); -} - -void check_plausibility(const char *device, int force) -{ - int val; - struct stat s; - val = stat(device, &s); - if (force) - return; - if (val == -1) - bb_perror_msg_and_die("can't stat '%s'", device); - if (!S_ISBLK(s.st_mode)) { - printf("%s is not a block special device.\n", device); - proceed_question(); - return; - } - -#ifdef HAVE_LINUX_MAJOR_H -#ifndef MAJOR -#define MAJOR(dev) ((dev)>>8) -#define MINOR(dev) ((dev) & 0xff) -#endif -#ifndef SCSI_BLK_MAJOR -#ifdef SCSI_DISK0_MAJOR -#ifdef SCSI_DISK8_MAJOR -#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \ - ((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR) || \ - ((M) >= SCSI_DISK8_MAJOR && (M) <= SCSI_DISK15_MAJOR)) -#else -#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \ - ((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR)) -#endif /* defined(SCSI_DISK8_MAJOR) */ -#define SCSI_BLK_MAJOR(M) (SCSI_DISK_MAJOR((M)) || (M) == SCSI_CDROM_MAJOR) -#else -#define SCSI_BLK_MAJOR(M) ((M) == SCSI_DISK_MAJOR || (M) == SCSI_CDROM_MAJOR) -#endif /* defined(SCSI_DISK0_MAJOR) */ -#endif /* defined(SCSI_BLK_MAJOR) */ - if (((MAJOR(s.st_rdev) == HD_MAJOR && - MINOR(s.st_rdev)%64 == 0) || - (SCSI_BLK_MAJOR(MAJOR(s.st_rdev)) && - MINOR(s.st_rdev)%16 == 0))) { - printf("%s is entire device, not just one partition!\n", device); - proceed_question(); - } -#endif -} - -void check_mount(const char *device, int force, const char *type) -{ - errcode_t retval; - int mount_flags; - - retval = ext2fs_check_if_mounted(device, &mount_flags); - if (retval) { - bb_error_msg("can't determine if %s is mounted", device); - return; - } - if (mount_flags & EXT2_MF_MOUNTED) { - bb_error_msg("%s is mounted !", device); -force_check: - if (force) - bb_error_msg("badblocks forced anyways"); - else - bb_error_msg_and_die("it's not safe to run badblocks!"); - } - - if (mount_flags & EXT2_MF_BUSY) { - bb_error_msg("%s is apparently in use by the system", device); - goto force_check; - } -} - -void parse_journal_opts(char **journal_device, int *journal_flags, - int *journal_size, const char *opts) -{ - char *buf, *token, *next, *p, *arg; - int journal_usage = 0; - buf = xstrdup(opts); - for (token = buf; token && *token; token = next) { - p = strchr(token, ','); - next = 0; - if (p) { - *p = 0; - next = p+1; - } - arg = strchr(token, '='); - if (arg) { - *arg = 0; - arg++; - } - if (strcmp(token, "device") == 0) { - *journal_device = blkid_get_devname(NULL, arg, NULL); - if (!*journal_device) { - journal_usage++; - continue; - } - } else if (strcmp(token, "size") == 0) { - if (!arg) { - journal_usage++; - continue; - } - (*journal_size) = strtoul(arg, &p, 0); - if (*p) - journal_usage++; - } else if (strcmp(token, "v1_superblock") == 0) { - (*journal_flags) |= EXT2_MKJOURNAL_V1_SUPER; - continue; - } else - journal_usage++; - } - if (journal_usage) - bb_error_msg_and_die( - "\nBad journal options specified.\n\n" - "Journal options are separated by commas, " - "and may take an argument which\n" - "\tis set off by an equals ('=') sign.\n\n" - "Valid journal options are:\n" - "\tsize=<journal size in megabytes>\n" - "\tdevice=<journal device>\n\n" - "The journal size must be between " - "1024 and 102400 filesystem blocks.\n\n"); -} - -/* - * Determine the number of journal blocks to use, either via - * user-specified # of megabytes, or via some intelligently selected - * defaults. - * - * Find a reasonable journal file size (in blocks) given the number of blocks - * in the filesystem. For very small filesystems, it is not reasonable to - * have a journal that fills more than half of the filesystem. - */ -int figure_journal_size(int size, ext2_filsys fs) -{ - blk_t j_blocks; - - if (fs->super->s_blocks_count < 2048) { - bb_error_msg("Filesystem too small for a journal"); - return 0; - } - - if (size >= 0) { - j_blocks = size * 1024 / (fs->blocksize / 1024); - if (j_blocks < 1024 || j_blocks > 102400) - bb_error_msg_and_die("\nThe requested journal " - "size is %d blocks;\n it must be " - "between 1024 and 102400 blocks; Aborting", - j_blocks); - if (j_blocks > fs->super->s_free_blocks_count) - bb_error_msg_and_die("Journal size too big for filesystem"); - return j_blocks; - } - - if (fs->super->s_blocks_count < 32768) - j_blocks = 1024; - else if (fs->super->s_blocks_count < 256*1024) - j_blocks = 4096; - else if (fs->super->s_blocks_count < 512*1024) - j_blocks = 8192; - else if (fs->super->s_blocks_count < 1024*1024) - j_blocks = 16384; - else - j_blocks = 32768; - - return j_blocks; -} - -void print_check_message(ext2_filsys fs) -{ - printf("This filesystem will be automatically " - "checked every %d mounts or\n" - "%g days, whichever comes first. " - "Use tune2fs -c or -i to override.\n", - fs->super->s_max_mnt_count, - (double)fs->super->s_checkinterval / (3600 * 24)); -} - -void make_journal_device(char *journal_device, ext2_filsys fs, int quiet, int force) -{ - errcode_t retval; - ext2_filsys jfs; - io_manager io_ptr; - - check_plausibility(journal_device, force); - check_mount(journal_device, force, "journal"); - io_ptr = unix_io_manager; - retval = ext2fs_open(journal_device, EXT2_FLAG_RW| - EXT2_FLAG_JOURNAL_DEV_OK, 0, - fs->blocksize, io_ptr, &jfs); - if (retval) - bb_error_msg_and_die("can't journal device %s", journal_device); - if (!quiet) - printf("Adding journal to device %s: ", journal_device); - fflush(stdout); - retval = ext2fs_add_journal_device(fs, jfs); - if (retval) - bb_error_msg_and_die("\nFailed to add journal to device %s", journal_device); - if (!quiet) - puts("done"); - ext2fs_close(jfs); -} - -void make_journal_blocks(ext2_filsys fs, int journal_size, int journal_flags, int quiet) -{ - unsigned long journal_blocks; - errcode_t retval; - - journal_blocks = figure_journal_size(journal_size, fs); - if (!journal_blocks) { - fs->super->s_feature_compat &= - ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; - return; - } - if (!quiet) - printf("Creating journal (%lu blocks): ", journal_blocks); - fflush(stdout); - retval = ext2fs_add_journal_inode(fs, journal_blocks, - journal_flags); - if (retval) - bb_error_msg_and_die("can't create journal"); - if (!quiet) - puts("done"); -} - -char *e2fs_set_sbin_path(void) -{ - char *oldpath = getenv("PATH"); - /* Update our PATH to include /sbin */ -#define PATH_SET "/sbin" - if (oldpath) - oldpath = xasprintf("%s:%s", PATH_SET, oldpath); - else - oldpath = PATH_SET; - putenv(oldpath); - return oldpath; -} |