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Use geom attribute "PART::type" to determine partition type and choose

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relevant fsck_xxx utility.

MFC after:	1 week
This commit is contained in:
Andrey V. Elsukov 2014-11-20 16:31:31 +00:00
parent 224914b7da
commit 681a5b28a4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=274750
1 changed files with 25 additions and 29 deletions
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54
sbin/fsck/fsck.c
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@ -41,8 +41,7 @@ __FBSDID("$FreeBSD$");
#include <sys/mount.h>
#include <sys/queue.h>
#include <sys/wait.h>
#define FSTYPENAMES
#include <sys/disklabel.h>
#include <sys/disk.h>
#include <sys/ioctl.h>
#include <ctype.h>
@ -81,10 +80,21 @@ static void addentry(struct fstypelist *, const char *, const char *);
static void maketypelist(char *);
static void catopt(char **, const char *);
static void mangle(char *, int *, const char ** volatile *, int *);
static const char *getfslab(const char *);
static const char *getfstype(const char *);
static void usage(void) __dead2;
static int isok(struct fstab *);
static struct {
const char *ptype;
const char *name;
} ptype_map[] = {
{ "ufs", "ffs" },
{ "ffs", "ffs" },
{ "fat", "msdosfs" },
{ "efi", "msdosfs" },
{ NULL, NULL },
};
int
main(int argc, char *argv[])
{
@ -203,7 +213,7 @@ main(int argc, char *argv[])
if ((fs = getfsfile(spec)) == NULL &&
(fs = getfsspec(spec)) == NULL) {
if (vfstype == NULL)
vfstype = getfslab(spec);
vfstype = getfstype(spec);
if (vfstype == NULL)
errx(1, "Could not determine filesystem type");
type = vfstype;
@ -535,41 +545,27 @@ mangle(char *opts, int *argcp, const char ** volatile *argvp, int *maxargcp)
*maxargcp = maxargc;
}
static const char *
getfslab(const char *str)
getfstype(const char *str)
{
struct disklabel dl;
int fd;
char p;
const char *vfstype;
u_char t;
struct diocgattr_arg attr;
int fd, i;
/* deduce the file system type from the disk label */
if ((fd = open(str, O_RDONLY)) == -1)
err(1, "cannot open `%s'", str);
if (ioctl(fd, DIOCGDINFO, &dl) == -1) {
strncpy(attr.name, "PART::type", sizeof(attr.name));
memset(&attr.value, 0, sizeof(attr.value));
attr.len = sizeof(attr.value);
if (ioctl(fd, DIOCGATTR, &attr) == -1) {
(void) close(fd);
return(NULL);
}
(void) close(fd);
p = str[strlen(str) - 1];
if ((p - 'a') >= dl.d_npartitions)
errx(1, "partition `%s' is not defined on disk", str);
if ((t = dl.d_partitions[p - 'a'].p_fstype) >= FSMAXTYPES)
errx(1, "partition `%s' is not of a legal vfstype",
str);
if ((vfstype = fstypenames[t]) == NULL)
errx(1, "vfstype `%s' on partition `%s' is not supported",
fstypenames[t], str);
return vfstype;
for (i = 0; ptype_map[i].ptype != NULL; i++)
if (strstr(attr.value.str, ptype_map[i].ptype) != NULL)
return (ptype_map[i].name);
return (NULL);
}