diff options
| -rw-r--r-- | e2fsprogs/fsck.c | 157 |
1 files changed, 84 insertions, 73 deletions
diff --git a/e2fsprogs/fsck.c b/e2fsprogs/fsck.c index 681bfd1..357f5eb 100644 --- a/e2fsprogs/fsck.c +++ b/e2fsprogs/fsck.c @@ -45,6 +45,7 @@ */ struct fs_info { + struct fs_info *next; char *device; char *mountpt; char *type; @@ -52,7 +53,6 @@ struct fs_info { int freq; int passno; int flags; - struct fs_info *next; }; #define FLAG_DONE 1 @@ -61,6 +61,7 @@ struct fs_info { * Structure to allow exit codes to be stored */ struct fsck_instance { + struct fsck_instance *next; int pid; int flags; int exit_status; @@ -69,7 +70,6 @@ struct fsck_instance { char *type; char *device; char *base_device; /* /dev/hda for /dev/hdaN etc */ - struct fsck_instance *next; }; static const char *const ignored_types[] = { @@ -104,6 +104,14 @@ static char **args; static int num_devices; static int num_args; static int verbose; + +#define FS_TYPE_FLAG_NORMAL 0 +#define FS_TYPE_FLAG_OPT 1 +#define FS_TYPE_FLAG_NEGOPT 2 +static char **fs_type_list; +static uint8_t *fs_type_flag; +static smallint fs_type_negated; + static volatile smallint cancel_requested; static smallint doall; static smallint noexecute; @@ -122,13 +130,6 @@ static struct fs_info *filesys_info; static struct fs_info *filesys_last; static struct fsck_instance *instance_list; -#define FS_TYPE_FLAG_NORMAL 0 -#define FS_TYPE_FLAG_OPT 1 -#define FS_TYPE_FLAG_NEGOPT 2 -static char **fs_type_list; -static uint8_t *fs_type_flag; -static int fs_type_negated; - /* * Return the "base device" given a particular device; this is used to * assure that we only fsck one partition on a particular drive at any @@ -742,39 +743,90 @@ static void fsck_device(struct fs_info *fs, int interactive) } /* + * Returns TRUE if a partition on the same disk is already being + * checked. + */ +static int device_already_active(char *device) +{ + struct fsck_instance *inst; + char *base; + + if (force_all_parallel) + return 0; + +#ifdef BASE_MD + /* Don't check a soft raid disk with any other disk */ + if (instance_list + && (!strncmp(instance_list->device, BASE_MD, sizeof(BASE_MD)-1) + || !strncmp(device, BASE_MD, sizeof(BASE_MD)-1)) + ) { + return 1; + } +#endif + + base = base_device(device); + /* + * If we don't know the base device, assume that the device is + * already active if there are any fsck instances running. + */ + if (!base) + return (instance_list != NULL); + + for (inst = instance_list; inst; inst = inst->next) { + if (!inst->base_device || !strcmp(base, inst->base_device)) { + free(base); + return 1; + } + } + + free(base); + return 0; +} + +/* * This function returns true if a particular option appears in a * comma-delimited options list */ static int opt_in_list(char *opt, char *optlist) { - char *list, *s; + char *s; + int len; if (!optlist) return 0; - list = xstrdup(optlist); - s = strtok(list, ","); - while (s) { - if (strcmp(s, opt) == 0) { - free(list); - return 1; - } - s = strtok(NULL, ","); + len = strlen(opt); + s = optlist - 1; + while (1) { + s = strstr(s + 1, opt); + if (!s) + return 0; + /* neither "opt.." nor "xxx,opt.."? */ + if (s != optlist && s[-1] != ',') + continue; + /* neither "..opt" nor "..opt,xxx"? */ + if (s[len] != '\0' && s[len] != ',') + continue; + return 1; } - free(list); - return 0; } /* See if the filesystem matches the criteria given by the -t option */ static int fs_match(struct fs_info *fs) { - int n, ret = 0, checked_type = 0; + int n, ret, checked_type; char *cp; if (!fs_type_list) return 1; - for (n = 0; (cp = fs_type_list[n]); n++) { + ret = 0; + checked_type = 0; + n = 0; + while (1) { + cp = fs_type_list[n]; + if (!cp) + break; switch (fs_type_flag[n]) { case FS_TYPE_FLAG_NORMAL: checked_type++; @@ -790,6 +842,7 @@ static int fs_match(struct fs_info *fs) return 0; break; } + n++; } if (checked_type == 0) return 1; @@ -836,55 +889,14 @@ static int ignore(struct fs_info *fs) return 0; } -/* - * Returns TRUE if a partition on the same disk is already being - * checked. - */ -static int device_already_active(char *device) -{ - struct fsck_instance *inst; - char *base; - - if (force_all_parallel) - return 0; - -#ifdef BASE_MD - /* Don't check a soft raid disk with any other disk */ - if (instance_list - && (!strncmp(instance_list->device, BASE_MD, sizeof(BASE_MD)-1) - || !strncmp(device, BASE_MD, sizeof(BASE_MD)-1)) - ) { - return 1; - } -#endif - - base = base_device(device); - /* - * If we don't know the base device, assume that the device is - * already active if there are any fsck instances running. - */ - if (!base) - return (instance_list != NULL); - - for (inst = instance_list; inst; inst = inst->next) { - if (!inst->base_device || !strcmp(base, inst->base_device)) { - free(base); - return 1; - } - } - - free(base); - return 0; -} - /* Check all file systems, using the /etc/fstab table. */ static int check_all(void) { - struct fs_info *fs = NULL; + struct fs_info *fs; int status = EXIT_OK; - int not_done_yet = 1; - int passno = 1; - int pass_done; + smallint not_done_yet; + smallint pass_done; + int passno; if (verbose) puts("Checking all filesystems"); @@ -926,6 +938,8 @@ static int check_all(void) if (LONE_CHAR(fs->mountpt, '/')) fs->flags |= FLAG_DONE; + not_done_yet = 1; + passno = 1; while (not_done_yet) { not_done_yet = 0; pass_done = 1; @@ -941,7 +955,7 @@ static int check_all(void) * do it yet. */ if (fs->passno > passno) { - not_done_yet++; + not_done_yet = 1; continue; } /* @@ -982,7 +996,7 @@ static int check_all(void) puts("----------------------------------"); passno++; } else - not_done_yet++; + not_done_yet = 1; } kill_all_if_cancel_requested(); status |= wait_many(FLAG_WAIT_ATLEAST_ONE); @@ -1015,9 +1029,7 @@ static void compile_fs_type(char *fs_type) if (!fs_type) return; -// list = xstrdup(fs_type); num = 0; -// s = strtok(list, ","); s = fs_type; while (1) { char *comma; @@ -1030,6 +1042,7 @@ static void compile_fs_type(char *fs_type) s++; negate = 1; } + if (strcmp(s, "loop") == 0) /* loop is really short-hand for opts=loop */ goto loop_special_case; @@ -1050,9 +1063,7 @@ static void compile_fs_type(char *fs_type) if (!comma) break; s = comma + 1; -// s = strtok(NULL, ","); } -// free(list); } static void parse_args(int argc, char *argv[]) |