/*
* util.c --- miscellaneous utilities
- *
+ *
* Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
* %End-Header%
*/
+#include "config.h"
#include <stdlib.h>
+#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
+#ifdef __linux__
+#include <sys/utsname.h>
+#endif
+
+#ifdef HAVE_CONIO_H
+#undef HAVE_TERMIOS_H
+#include <conio.h>
+#define read_a_char() getch()
+#else
+#ifdef HAVE_TERMIOS_H
#include <termios.h>
+#endif
+#endif
+
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#ifdef HAVE_SYS_SYSCTL_H
+#include <sys/sysctl.h>
+#endif
#include "e2fsck.h"
+extern e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */
+
+#include <stdarg.h>
+#include <time.h>
#include <sys/time.h>
#include <sys/resource.h>
void fatal_error(e2fsck_t ctx, const char *msg)
{
- if (msg)
+ ext2_filsys fs = ctx->fs;
+ int exit_value = FSCK_ERROR;
+
+ if (msg)
fprintf (stderr, "e2fsck: %s\n", msg);
+ if (!fs)
+ goto out;
+ if (fs->io && fs->super) {
+ ext2fs_mmp_stop(ctx->fs);
+ if (ctx->fs->io->magic == EXT2_ET_MAGIC_IO_CHANNEL)
+ io_channel_flush(ctx->fs->io);
+ else
+ log_err(ctx, "e2fsck: io manager magic bad!\n");
+ }
+ if (ext2fs_test_changed(fs)) {
+ exit_value |= FSCK_NONDESTRUCT;
+ log_out(ctx, _("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"),
+ ctx->device_name);
+ if (ctx->mount_flags & EXT2_MF_ISROOT)
+ exit_value |= FSCK_REBOOT;
+ }
+ if (!ext2fs_test_valid(fs)) {
+ log_out(ctx, _("\n%s: ********** WARNING: Filesystem still has "
+ "errors **********\n\n"), ctx->device_name);
+ exit_value |= FSCK_UNCORRECTED;
+ exit_value &= ~FSCK_NONDESTRUCT;
+ }
+out:
ctx->flags |= E2F_FLAG_ABORT;
if (ctx->flags & E2F_FLAG_SETJMP_OK)
longjmp(ctx->abort_loc, 1);
- exit(FSCK_ERROR);
+ if (ctx->logf)
+ fprintf(ctx->logf, "Exit status: %d\n", exit_value);
+ exit(exit_value);
+}
+
+void log_out(e2fsck_t ctx, const char *fmt, ...)
+{
+ va_list pvar;
+
+ va_start(pvar, fmt);
+ vprintf(fmt, pvar);
+ va_end(pvar);
+ if (ctx->logf) {
+ va_start(pvar, fmt);
+ vfprintf(ctx->logf, fmt, pvar);
+ va_end(pvar);
+ }
+}
+
+void log_err(e2fsck_t ctx, const char *fmt, ...)
+{
+ va_list pvar;
+
+ va_start(pvar, fmt);
+ vfprintf(stderr, fmt, pvar);
+ va_end(pvar);
+ if (ctx->logf) {
+ va_start(pvar, fmt);
+ vfprintf(ctx->logf, fmt, pvar);
+ va_end(pvar);
+ }
}
void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
char buf[256];
#ifdef DEBUG_ALLOCATE_MEMORY
- printf("Allocating %d bytes for %s...\n", size, description);
+ printf("Allocating %u bytes for %s...\n", size, description);
#endif
ret = malloc(size);
if (!ret) {
- sprintf(buf, "Can't allocate %s\n", description);
+ sprintf(buf, "Can't allocate %u bytes for %s\n",
+ size, description);
fatal_error(ctx, buf);
}
memset(ret, 0, size);
return ret;
}
-int ask_yn(const char * string, int def)
+char *string_copy(e2fsck_t ctx EXT2FS_ATTR((unused)),
+ const char *str, int len)
+{
+ char *ret;
+
+ if (!str)
+ return NULL;
+ if (!len)
+ len = strlen(str);
+ ret = malloc(len+1);
+ if (ret) {
+ strncpy(ret, str, len);
+ ret[len] = 0;
+ }
+ return ret;
+}
+
+#ifndef HAVE_STRNLEN
+/*
+ * Incredibly, libc5 doesn't appear to have strnlen. So we have to
+ * provide our own.
+ */
+int e2fsck_strnlen(const char * s, int count)
+{
+ const char *cp = s;
+
+ while (count-- && *cp)
+ cp++;
+ return cp - s;
+}
+#endif
+
+#ifndef HAVE_CONIO_H
+static int read_a_char(void)
+{
+ char c;
+ int r;
+ int fail = 0;
+
+ while(1) {
+ if (e2fsck_global_ctx &&
+ (e2fsck_global_ctx->flags & E2F_FLAG_CANCEL)) {
+ return 3;
+ }
+ r = read(0, &c, 1);
+ if (r == 1)
+ return c;
+ if (fail++ > 100)
+ break;
+ }
+ return EOF;
+}
+#endif
+
+int ask_yn(e2fsck_t ctx, const char * string, int def)
{
int c;
- struct termios termios, tmp;
const char *defstr;
+ const char *short_yes = _("yY");
+ const char *short_no = _("nN");
+ const char *short_yesall = _("aA");
+ const char *english_yes = "yY";
+ const char *english_no = "nN";
+ const char *english_yesall = "aA";
+ const char *yesall_prompt = _(" ('a' enables 'yes' to all) ");
+ const char *extra_prompt = "";
+ static int yes_answers;
+
+#ifdef HAVE_TERMIOS_H
+ struct termios termios, tmp;
- tcgetattr (0, &termios);
+ if (tcgetattr (0, &termios) < 0)
+ memset(&termios, 0, sizeof(termios));
tmp = termios;
tmp.c_lflag &= ~(ICANON | ECHO);
tmp.c_cc[VMIN] = 1;
tmp.c_cc[VTIME] = 0;
tcsetattr (0, TCSANOW, &tmp);
+#endif
if (def == 1)
- defstr = "<y>";
+ defstr = _(_("<y>"));
else if (def == 0)
- defstr = "<n>";
+ defstr = _(_("<n>"));
else
- defstr = " (y/n)";
- printf("%s%s? ", string, defstr);
+ defstr = _(" (y/n)");
+ /*
+ * If the user presses 'y' more than 8 (but less than 12) times in
+ * succession without pressing anything else, display a hint about
+ * yes-to-all mode.
+ */
+ if (yes_answers > 12)
+ yes_answers = -1;
+ else if (yes_answers > 8)
+ extra_prompt = yesall_prompt;
+ log_out(ctx, "%s%s%s? ", string, extra_prompt, defstr);
while (1) {
fflush (stdout);
- if ((c = getchar()) == EOF)
+ if ((c = read_a_char()) == EOF)
break;
- c = toupper(c);
- if (c == 'Y') {
+ if (c == 3) {
+#ifdef HAVE_TERMIOS_H
+ tcsetattr (0, TCSANOW, &termios);
+#endif
+ if (ctx->flags & E2F_FLAG_SETJMP_OK) {
+ log_out(ctx, "\n");
+ longjmp(e2fsck_global_ctx->abort_loc, 1);
+ }
+ log_out(ctx, "%s", _("cancelled!\n"));
+ yes_answers = 0;
+ return 0;
+ }
+ if (strchr(short_yes, (char) c)) {
+ do_yes:
def = 1;
+ if (yes_answers >= 0)
+ yes_answers++;
break;
- }
- else if (c == 'N') {
+ } else if (strchr(short_no, (char) c)) {
+ do_no:
def = 0;
+ yes_answers = -1;
break;
- }
- else if ((c == ' ' || c == '\n') && (def != -1))
+ } else if (strchr(short_yesall, (char)c)) {
+ do_all:
+ def = 2;
+ yes_answers = -1;
+ ctx->options |= E2F_OPT_YES;
+ break;
+ } else if (strchr(english_yes, (char) c)) {
+ goto do_yes;
+ } else if (strchr(english_no, (char) c)) {
+ goto do_no;
+ } else if (strchr(english_yesall, (char) c)) {
+ goto do_all;
+ } else if ((c == 27 || c == ' ' || c == '\n') && (def != -1)) {
+ yes_answers = -1;
break;
+ }
}
- if (def)
- printf ("yes\n\n");
+ if (def == 2)
+ log_out(ctx, "%s", _("yes to all\n"));
+ else if (def)
+ log_out(ctx, "%s", _("yes\n"));
else
- printf ("no\n\n");
+ log_out(ctx, "%s", _("no\n"));
+#ifdef HAVE_TERMIOS_H
tcsetattr (0, TCSANOW, &termios);
+#endif
return def;
}
int ask (e2fsck_t ctx, const char * string, int def)
{
if (ctx->options & E2F_OPT_NO) {
- printf ("%s? no\n\n", string);
+ log_out(ctx, _("%s? no\n\n"), string);
return 0;
}
if (ctx->options & E2F_OPT_YES) {
- printf ("%s? yes\n\n", string);
+ log_out(ctx, _("%s? yes\n\n"), string);
return 1;
}
if (ctx->options & E2F_OPT_PREEN) {
- printf ("%s? %s\n\n", string, def ? "yes" : "no");
+ log_out(ctx, "%s? %s\n\n", string, def ? _("yes") : _("no"));
return def;
}
- return ask_yn(string, def);
+ return ask_yn(ctx, string, def);
}
void e2fsck_read_bitmaps(e2fsck_t ctx)
{
ext2_filsys fs = ctx->fs;
errcode_t retval;
+ const char *old_op;
+ unsigned int save_type;
+ int flags;
if (ctx->invalid_bitmaps) {
com_err(ctx->program_name, 0,
- "e2fsck_read_bitmaps: illegal bitmap block(s) for %s",
+ _("e2fsck_read_bitmaps: illegal bitmap block(s) for %s"),
ctx->device_name);
fatal_error(ctx, 0);
}
- ehandler_operation("reading inode and block bitmaps");
+ old_op = ehandler_operation(_("reading inode and block bitmaps"));
+ e2fsck_set_bitmap_type(fs, EXT2FS_BMAP64_RBTREE, "fs_bitmaps",
+ &save_type);
+ flags = ctx->fs->flags;
+ ctx->fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
retval = ext2fs_read_bitmaps(fs);
- ehandler_operation(0);
+ ctx->fs->flags = (flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) |
+ (ctx->fs->flags & ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
+ fs->default_bitmap_type = save_type;
+ ehandler_operation(old_op);
if (retval) {
com_err(ctx->program_name, retval,
- "while retrying to read bitmaps for %s",
+ _("while retrying to read bitmaps for %s"),
ctx->device_name);
fatal_error(ctx, 0);
}
{
ext2_filsys fs = ctx->fs;
errcode_t retval;
+ const char *old_op;
- if (ext2fs_test_bb_dirty(fs)) {
- ehandler_operation("writing block bitmaps");
- retval = ext2fs_write_block_bitmap(fs);
- ehandler_operation(0);
- if (retval) {
- com_err(ctx->program_name, retval,
- "while retrying to write block bitmaps for %s",
- ctx->device_name);
- fatal_error(ctx, 0);
- }
- }
-
- if (ext2fs_test_ib_dirty(fs)) {
- ehandler_operation("writing inode bitmaps");
- retval = ext2fs_write_inode_bitmap(fs);
- ehandler_operation(0);
- if (retval) {
- com_err(ctx->program_name, retval,
- "while retrying to write inode bitmaps for %s",
- ctx->device_name);
- fatal_error(ctx, 0);
- }
+ old_op = ehandler_operation(_("writing block and inode bitmaps"));
+ retval = ext2fs_write_bitmaps(fs);
+ ehandler_operation(old_op);
+ if (retval) {
+ com_err(ctx->program_name, retval,
+ _("while rewriting block and inode bitmaps for %s"),
+ ctx->device_name);
+ fatal_error(ctx, 0);
}
}
if (!(ctx->options & E2F_OPT_PREEN))
return;
- fprintf(stderr, "\n\n%s: UNEXPECTED INCONSISTENCY; "
- "RUN fsck MANUALLY.\n\t(i.e., without -a or -p options)\n",
+ log_err(ctx, _("\n\n%s: UNEXPECTED INCONSISTENCY; "
+ "RUN fsck MANUALLY.\n\t(i.e., without -a or -p options)\n"),
ctx->device_name);
+ ctx->flags |= E2F_FLAG_EXITING;
if (fs != NULL) {
fs->super->s_state |= EXT2_ERROR_FS;
ext2fs_mark_super_dirty(fs);
- ext2fs_close(fs);
+ ext2fs_close_free(&fs);
}
exit(FSCK_UNCORRECTED);
}
#ifdef RESOURCE_TRACK
-void init_resource_track(struct resource_track *track)
+void init_resource_track(struct resource_track *track, io_channel channel)
{
#ifdef HAVE_GETRUSAGE
struct rusage r;
#endif
-
+ io_stats io_start = 0;
+
track->brk_start = sbrk(0);
gettimeofday(&track->time_start, 0);
#ifdef HAVE_GETRUSAGE
-#ifdef solaris
- memcpy(&r, 0, sizeof(struct rusage));
+#ifdef sun
+ memset(&r, 0, sizeof(struct rusage));
#endif
getrusage(RUSAGE_SELF, &r);
track->user_start = r.ru_utime;
track->user_start.tv_sec = track->user_start.tv_usec = 0;
track->system_start.tv_sec = track->system_start.tv_usec = 0;
#endif
+ track->bytes_read = 0;
+ track->bytes_written = 0;
+ if (channel && channel->manager && channel->manager->get_stats)
+ channel->manager->get_stats(channel, &io_start);
+ if (io_start) {
+ track->bytes_read = io_start->bytes_read;
+ track->bytes_written = io_start->bytes_written;
+ }
}
#ifdef __GNUC__
((float) (tv1->tv_usec - tv2->tv_usec)) / 1000000);
}
-void print_resource_track(const char *desc, struct resource_track *track)
+void print_resource_track(e2fsck_t ctx, const char *desc,
+ struct resource_track *track, io_channel channel)
{
#ifdef HAVE_GETRUSAGE
struct rusage r;
#endif
+#ifdef HAVE_MALLINFO
+ struct mallinfo malloc_info;
+#endif
struct timeval time_end;
+ if ((desc && !(ctx->options & E2F_OPT_TIME2)) ||
+ (!desc && !(ctx->options & E2F_OPT_TIME)))
+ return;
+
+ e2fsck_clear_progbar(ctx);
gettimeofday(&time_end, 0);
if (desc)
- printf("%s: ", desc);
-
+ log_out(ctx, "%s: ", desc);
+
+#ifdef HAVE_MALLINFO
+#define kbytes(x) (((unsigned long)(x) + 1023) / 1024)
+
+ malloc_info = mallinfo();
+ log_out(ctx, _("Memory used: %luk/%luk (%luk/%luk), "),
+ kbytes(malloc_info.arena), kbytes(malloc_info.hblkhd),
+ kbytes(malloc_info.uordblks), kbytes(malloc_info.fordblks));
+#else
+ log_out(ctx, _("Memory used: %lu, "),
+ (unsigned long) (((char *) sbrk(0)) -
+ ((char *) track->brk_start)));
+#endif
#ifdef HAVE_GETRUSAGE
getrusage(RUSAGE_SELF, &r);
- printf("Memory used: %d, elapsed time: %6.3f/%6.3f/%6.3f\n",
- (int) (((char *) sbrk(0)) - ((char *) track->brk_start)),
- timeval_subtract(&time_end, &track->time_start),
- timeval_subtract(&r.ru_utime, &track->user_start),
- timeval_subtract(&r.ru_stime, &track->system_start));
+ log_out(ctx, _("time: %5.2f/%5.2f/%5.2f\n"),
+ timeval_subtract(&time_end, &track->time_start),
+ timeval_subtract(&r.ru_utime, &track->user_start),
+ timeval_subtract(&r.ru_stime, &track->system_start));
#else
- printf("Memory used: %d, elapsed time: %6.3f\n",
- (int) (((char *) sbrk(0)) - ((char *) track->brk_start)),
- timeval_subtract(&time_end, &track->time_start));
+ log_out(ctx, _("elapsed time: %6.3f\n"),
+ timeval_subtract(&time_end, &track->time_start));
#endif
+#define mbytes(x) (((x) + 1048575) / 1048576)
+ if (channel && channel->manager && channel->manager->get_stats) {
+ io_stats delta = 0;
+ unsigned long long bytes_read = 0;
+ unsigned long long bytes_written = 0;
+
+ if (desc)
+ log_out(ctx, "%s: ", desc);
+
+ channel->manager->get_stats(channel, &delta);
+ if (delta) {
+ bytes_read = delta->bytes_read - track->bytes_read;
+ bytes_written = delta->bytes_written -
+ track->bytes_written;
+ }
+ log_out(ctx, "I/O read: %lluMB, write: %lluMB, "
+ "rate: %.2fMB/s\n",
+ mbytes(bytes_read), mbytes(bytes_written),
+ (double)mbytes(bytes_read + bytes_written) /
+ timeval_subtract(&time_end, &track->time_start));
+ }
}
#endif /* RESOURCE_TRACK */
void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
struct ext2_inode * inode, const char *proc)
{
- int retval;
+ errcode_t retval;
retval = ext2fs_read_inode(ctx->fs, ino, inode);
if (retval) {
com_err("ext2fs_read_inode", retval,
- "while reading inode %ld in %s", ino, proc);
+ _("while reading inode %lu in %s"), ino, proc);
fatal_error(ctx, 0);
}
}
-extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
- struct ext2_inode * inode, const char *proc)
+void e2fsck_read_inode_full(e2fsck_t ctx, unsigned long ino,
+ struct ext2_inode *inode, int bufsize,
+ const char *proc)
{
- int retval;
+ errcode_t retval;
+
+ retval = ext2fs_read_inode_full(ctx->fs, ino, inode, bufsize);
+ if (retval) {
+ com_err("ext2fs_read_inode_full", retval,
+ _("while reading inode %lu in %s"), ino, proc);
+ fatal_error(ctx, 0);
+ }
+}
+
+void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino,
+ struct ext2_inode * inode, int bufsize,
+ const char *proc)
+{
+ errcode_t retval;
+
+ retval = ext2fs_write_inode_full(ctx->fs, ino, inode, bufsize);
+ if (retval) {
+ com_err("ext2fs_write_inode", retval,
+ _("while writing inode %lu in %s"), ino, proc);
+ fatal_error(ctx, 0);
+ }
+}
+
+void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
+ struct ext2_inode * inode, const char *proc)
+{
+ errcode_t retval;
retval = ext2fs_write_inode(ctx->fs, ino, inode);
if (retval) {
com_err("ext2fs_write_inode", retval,
- "while writing inode %ld in %s", ino, proc);
+ _("while writing inode %lu in %s"), ino, proc);
fatal_error(ctx, 0);
}
}
}
#endif
-blk_t get_backup_sb(ext2_filsys fs)
+blk64_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs, const char *name,
+ io_manager manager)
{
- if (!fs || !fs->super)
- return 8193;
- return fs->super->s_blocks_per_group + 1;
+ struct ext2_super_block *sb;
+ io_channel io = NULL;
+ void *buf = NULL;
+ int blocksize;
+ blk64_t superblock, ret_sb = 8193;
+
+ if (fs && fs->super) {
+ ret_sb = (fs->super->s_blocks_per_group +
+ fs->super->s_first_data_block);
+ if (ctx) {
+ ctx->superblock = ret_sb;
+ ctx->blocksize = fs->blocksize;
+ }
+ return ret_sb;
+ }
+
+ if (ctx) {
+ if (ctx->blocksize) {
+ ret_sb = ctx->blocksize * 8;
+ if (ctx->blocksize == 1024)
+ ret_sb++;
+ ctx->superblock = ret_sb;
+ return ret_sb;
+ }
+ ctx->superblock = ret_sb;
+ ctx->blocksize = 1024;
+ }
+
+ if (!name || !manager)
+ goto cleanup;
+
+ if (manager->open(name, 0, &io) != 0)
+ goto cleanup;
+
+ if (ext2fs_get_mem(SUPERBLOCK_SIZE, &buf))
+ goto cleanup;
+ sb = (struct ext2_super_block *) buf;
+
+ for (blocksize = EXT2_MIN_BLOCK_SIZE;
+ blocksize <= EXT2_MAX_BLOCK_SIZE ; blocksize *= 2) {
+ superblock = blocksize*8;
+ if (blocksize == 1024)
+ superblock++;
+ io_channel_set_blksize(io, blocksize);
+ if (io_channel_read_blk64(io, superblock,
+ -SUPERBLOCK_SIZE, buf))
+ continue;
+#ifdef WORDS_BIGENDIAN
+ if (sb->s_magic == ext2fs_swab16(EXT2_SUPER_MAGIC))
+ ext2fs_swap_super(sb);
+#endif
+ if ((sb->s_magic == EXT2_SUPER_MAGIC) &&
+ (EXT2_BLOCK_SIZE(sb) == blocksize)) {
+ ret_sb = superblock;
+ if (ctx) {
+ ctx->superblock = superblock;
+ ctx->blocksize = blocksize;
+ }
+ break;
+ }
+ }
+
+cleanup:
+ if (io)
+ io_channel_close(io);
+ if (buf)
+ ext2fs_free_mem(&buf);
+ return (ret_sb);
}
+/*
+ * Given a mode, return the ext2 file type
+ */
+int ext2_file_type(unsigned int mode)
+{
+ if (LINUX_S_ISREG(mode))
+ return EXT2_FT_REG_FILE;
+
+ if (LINUX_S_ISDIR(mode))
+ return EXT2_FT_DIR;
+
+ if (LINUX_S_ISCHR(mode))
+ return EXT2_FT_CHRDEV;
+
+ if (LINUX_S_ISBLK(mode))
+ return EXT2_FT_BLKDEV;
+
+ if (LINUX_S_ISLNK(mode))
+ return EXT2_FT_SYMLINK;
+
+ if (LINUX_S_ISFIFO(mode))
+ return EXT2_FT_FIFO;
+
+ if (LINUX_S_ISSOCK(mode))
+ return EXT2_FT_SOCK;
+
+ return 0;
+}
+
+/*
+ * Check to see if a filesystem is in /proc/filesystems.
+ * Returns 1 if found, 0 if not
+ */
+int fs_proc_check(const char *fs_name)
+{
+ FILE *f;
+ char buf[80], *cp, *t;
+
+ f = fopen("/proc/filesystems", "r");
+ if (!f)
+ return (0);
+ while (!feof(f)) {
+ if (!fgets(buf, sizeof(buf), f))
+ break;
+ cp = buf;
+ if (!isspace(*cp)) {
+ while (*cp && !isspace(*cp))
+ cp++;
+ }
+ while (*cp && isspace(*cp))
+ cp++;
+ if ((t = strchr(cp, '\n')) != NULL)
+ *t = 0;
+ if ((t = strchr(cp, '\t')) != NULL)
+ *t = 0;
+ if ((t = strchr(cp, ' ')) != NULL)
+ *t = 0;
+ if (!strcmp(fs_name, cp)) {
+ fclose(f);
+ return (1);
+ }
+ }
+ fclose(f);
+ return (0);
+}
+
+/*
+ * Check to see if a filesystem is available as a module
+ * Returns 1 if found, 0 if not
+ */
+int check_for_modules(const char *fs_name)
+{
+#ifdef __linux__
+ struct utsname uts;
+ FILE *f;
+ char buf[1024], *cp, *t;
+ int i;
+
+ if (uname(&uts))
+ return (0);
+ snprintf(buf, sizeof(buf), "/lib/modules/%s/modules.dep", uts.release);
+
+ f = fopen(buf, "r");
+ if (!f)
+ return (0);
+ while (!feof(f)) {
+ if (!fgets(buf, sizeof(buf), f))
+ break;
+ if ((cp = strchr(buf, ':')) != NULL)
+ *cp = 0;
+ else
+ continue;
+ if ((cp = strrchr(buf, '/')) != NULL)
+ cp++;
+ else
+ cp = buf;
+ i = strlen(cp);
+ if (i > 3) {
+ t = cp + i - 3;
+ if (!strcmp(t, ".ko"))
+ *t = 0;
+ }
+ if (!strcmp(cp, fs_name)) {
+ fclose(f);
+ return (1);
+ }
+ }
+ fclose(f);
+#endif /* __linux__ */
+ return (0);
+}
+
+/*
+ * Helper function that does the right thing if write returns a
+ * partial write, or an EAGAIN/EINTR error.
+ */
+int write_all(int fd, char *buf, size_t count)
+{
+ ssize_t ret;
+ int c = 0;
+
+ while (count > 0) {
+ ret = write(fd, buf, count);
+ if (ret < 0) {
+ if ((errno == EAGAIN) || (errno == EINTR))
+ continue;
+ return -1;
+ }
+ count -= ret;
+ buf += ret;
+ c += ret;
+ }
+ return c;
+}
+
+void dump_mmp_msg(struct mmp_struct *mmp, const char *fmt, ...)
+{
+ va_list pvar;
+
+ if (fmt) {
+ printf("MMP check failed: ");
+ va_start(pvar, fmt);
+ vprintf(fmt, pvar);
+ va_end(pvar);
+ }
+ if (mmp) {
+ time_t t = mmp->mmp_time;
+
+ printf("MMP_block:\n");
+ printf(" mmp_magic: 0x%x\n", mmp->mmp_magic);
+ printf(" mmp_check_interval: %d\n",
+ mmp->mmp_check_interval);
+ printf(" mmp_sequence: %08x\n", mmp->mmp_seq);
+ printf(" mmp_update_date: %s", ctime(&t));
+ printf(" mmp_update_time: %lld\n", mmp->mmp_time);
+ printf(" mmp_node_name: %s\n", mmp->mmp_nodename);
+ printf(" mmp_device_name: %s\n", mmp->mmp_bdevname);
+ }
+}
+
+errcode_t e2fsck_mmp_update(ext2_filsys fs)
+{
+ errcode_t retval;
+
+ retval = ext2fs_mmp_update(fs);
+ if (retval == EXT2_ET_MMP_CHANGE_ABORT)
+ dump_mmp_msg(fs->mmp_cmp,
+ _("UNEXPECTED INCONSISTENCY: the filesystem is "
+ "being modified while fsck is running.\n"));
+
+ return retval;
+}
+
+void e2fsck_set_bitmap_type(ext2_filsys fs, unsigned int default_type,
+ const char *profile_name, unsigned int *old_type)
+{
+ unsigned type;
+ e2fsck_t ctx = (e2fsck_t) fs->priv_data;
+
+ if (old_type)
+ *old_type = fs->default_bitmap_type;
+ profile_get_uint(ctx->profile, "bitmaps", profile_name, 0,
+ default_type, &type);
+ profile_get_uint(ctx->profile, "bitmaps", "all", 0, type, &type);
+ fs->default_bitmap_type = type ? type : default_type;
+}
+
+errcode_t e2fsck_allocate_inode_bitmap(ext2_filsys fs, const char *descr,
+ int deftype,
+ const char *name,
+ ext2fs_inode_bitmap *ret)
+{
+ errcode_t retval;
+ unsigned int save_type;
+
+ e2fsck_set_bitmap_type(fs, deftype, name, &save_type);
+ retval = ext2fs_allocate_inode_bitmap(fs, descr, ret);
+ fs->default_bitmap_type = save_type;
+ return retval;
+}
+
+errcode_t e2fsck_allocate_block_bitmap(ext2_filsys fs, const char *descr,
+ int deftype,
+ const char *name,
+ ext2fs_block_bitmap *ret)
+{
+ errcode_t retval;
+ unsigned int save_type;
+
+ e2fsck_set_bitmap_type(fs, deftype, name, &save_type);
+ retval = ext2fs_allocate_block_bitmap(fs, descr, ret);
+ fs->default_bitmap_type = save_type;
+ return retval;
+}
+
+errcode_t e2fsck_allocate_subcluster_bitmap(ext2_filsys fs, const char *descr,
+ int deftype,
+ const char *name,
+ ext2fs_block_bitmap *ret)
+{
+ errcode_t retval;
+ unsigned int save_type;
+
+ e2fsck_set_bitmap_type(fs, deftype, name, &save_type);
+ retval = ext2fs_allocate_subcluster_bitmap(fs, descr, ret);
+ fs->default_bitmap_type = save_type;
+ return retval;
+}
+
+/* Return memory size in bytes */
+unsigned long long get_memory_size(void)
+{
+#if defined(_SC_PHYS_PAGES)
+# if defined(_SC_PAGESIZE)
+ return (unsigned long long)sysconf(_SC_PHYS_PAGES) *
+ (unsigned long long)sysconf(_SC_PAGESIZE);
+# elif defined(_SC_PAGE_SIZE)
+ return (unsigned long long)sysconf(_SC_PHYS_PAGES) *
+ (unsigned long long)sysconf(_SC_PAGE_SIZE);
+# endif
+#elif defined(CTL_HW)
+# if (defined(HW_MEMSIZE) || defined(HW_PHYSMEM64))
+# define CTL_HW_INT64
+# elif (defined(HW_PHYSMEM) || defined(HW_REALMEM))
+# define CTL_HW_UINT
+# endif
+ int mib[2];
+
+ mib[0] = CTL_HW;
+# if defined(HW_MEMSIZE)
+ mib[1] = HW_MEMSIZE;
+# elif defined(HW_PHYSMEM64)
+ mib[1] = HW_PHYSMEM64;
+# elif defined(HW_REALMEM)
+ mib[1] = HW_REALMEM;
+# elif defined(HW_PYSMEM)
+ mib[1] = HW_PHYSMEM;
+# endif
+# if defined(CTL_HW_INT64)
+ unsigned long long size = 0;
+# elif defined(CTL_HW_UINT)
+ unsigned int size = 0;
+# endif
+# if defined(CTL_HW_INT64) || defined(CTL_HW_UINT)
+ size_t len = sizeof(size);
+
+ if (sysctl(mib, 2, &size, &len, NULL, 0) == 0)
+ return (unsigned long long)size;
+# endif
+ return 0;
+#else
+# warning "Don't know how to detect memory on your platform?"
+ return 0;
+#endif
+}
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff