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[src/trunk]: src/sbin/gpt remove more duplicated code.
details: https://anonhg.NetBSD.org/src/rev/a3322c58cbe0
branches: trunk
changeset: 812242:a3322c58cbe0
user: christos <christos%NetBSD.org@localhost>
date: Sun Dec 06 04:27:05 2015 +0000
description:
remove more duplicated code.
diffstat:
sbin/gpt/gpt_uuid.h | 1 +
sbin/gpt/migrate.c | 214 ++++++++++++++++++---------------------------------
2 files changed, 79 insertions(+), 136 deletions(-)
diffs (291 lines):
diff -r bf045d9d149b -r a3322c58cbe0 sbin/gpt/gpt_uuid.h
--- a/sbin/gpt/gpt_uuid.h Sun Dec 06 02:21:55 2015 +0000
+++ b/sbin/gpt/gpt_uuid.h Sun Dec 06 04:27:05 2015 +0000
@@ -46,6 +46,7 @@
// Must match the array in gpt_uuid.c
typedef enum {
+ GPT_TYPE_INVALID = -1,
GPT_TYPE_APPLE_HFS = 0,
GPT_TYPE_APPLE_UFS,
GPT_TYPE_BIOS,
diff -r bf045d9d149b -r a3322c58cbe0 sbin/gpt/migrate.c
--- a/sbin/gpt/migrate.c Sun Dec 06 02:21:55 2015 +0000
+++ b/sbin/gpt/migrate.c Sun Dec 06 04:27:05 2015 +0000
@@ -33,7 +33,7 @@
__FBSDID("$FreeBSD: src/sbin/gpt/migrate.c,v 1.16 2005/09/01 02:42:52 marcel Exp $");
#endif
#ifdef __RCSID
-__RCSID("$NetBSD: migrate.c,v 1.28 2015/12/05 18:46:08 christos Exp $");
+__RCSID("$NetBSD: migrate.c,v 1.29 2015/12/06 04:27:05 christos Exp $");
#endif
#include <sys/types.h>
@@ -118,86 +118,58 @@
return buf;
}
-static struct gpt_ent *
-migrate_disklabel(gpt_t gpt, off_t start, struct gpt_ent *ent)
+static gpt_type_t
+freebsd_fstype_to_gpt_type(gpt_t gpt, u_int i, u_int fstype)
{
- char *buf;
- struct disklabel *dl;
- off_t ofs, rawofs;
- int i;
-
- buf = gpt_read(gpt, start + LABELSECTOR, 1);
- if (buf == NULL) {
- gpt_warn(gpt, "Error reading label");
- return NULL;
- }
- dl = (void*)(buf + LABELOFFSET);
-
- if (le32toh(dl->d_magic) != DISKMAGIC ||
- le32toh(dl->d_magic2) != DISKMAGIC) {
- gpt_warnx(gpt, "FreeBSD slice without disklabel");
- free(buf);
- return (ent);
- }
-
- rawofs = le32toh(dl->d_partitions[RAW_PART].p_offset) *
- le32toh(dl->d_secsize);
- for (i = 0; i < le16toh(dl->d_npartitions); i++) {
- if (dl->d_partitions[i].p_fstype == FS_UNUSED)
- continue;
- ofs = le32toh(dl->d_partitions[i].p_offset) *
- le32toh(dl->d_secsize);
- if (ofs < rawofs)
- rawofs = 0;
+ switch (fstype) {
+ case FS_UNUSED:
+ return GPT_TYPE_INVALID;
+ case FS_SWAP:
+ return GPT_TYPE_FREEBSD_SWAP;
+ case FS_BSDFFS:
+ return GPT_TYPE_FREEBSD_UFS;
+ case FREEBSD_FS_VINUM:
+ return GPT_TYPE_FREEBSD_VINUM;
+ case FREEBSD_FS_ZFS:
+ return GPT_TYPE_FREEBSD_ZFS;
+ default:
+ gpt_warnx(gpt, "Unknown FreeBSD partition (%d)", fstype);
+ return GPT_TYPE_INVALID;
}
- rawofs /= gpt->secsz;
-
- for (i = 0; i < le16toh(dl->d_npartitions); i++) {
- switch (dl->d_partitions[i].p_fstype) {
- case FS_UNUSED:
- continue;
- case FS_SWAP: {
- gpt_uuid_create(GPT_TYPE_FREEBSD_SWAP, ent->ent_type,
- ent->ent_name, sizeof(ent->ent_name));
- break;
- }
- case FS_BSDFFS: {
- gpt_uuid_create(GPT_TYPE_FREEBSD_UFS, ent->ent_type,
- ent->ent_name, sizeof(ent->ent_name));
- break;
- }
- case FREEBSD_FS_VINUM: {
- gpt_uuid_create(GPT_TYPE_FREEBSD_VINUM, ent->ent_type,
- ent->ent_name, sizeof(ent->ent_name));
- break;
- }
- case FREEBSD_FS_ZFS: {
- gpt_uuid_create(GPT_TYPE_FREEBSD_ZFS, ent->ent_type,
- ent->ent_name, sizeof(ent->ent_name));
- break;
- }
- default:
- gpt_warnx(gpt, "Unknown FreeBSD partition (%d)",
- dl->d_partitions[i].p_fstype);
- continue;
- }
-
- ofs = (le32toh(dl->d_partitions[i].p_offset) *
- le32toh(dl->d_secsize)) / gpt->secsz;
- ofs = (ofs > 0) ? ofs - rawofs : 0;
- ent->ent_lba_start = htole64((uint64_t)(start + ofs));
- ent->ent_lba_end = htole64((uint64_t)(start + ofs +
- (off_t)le32toh((uint64_t)dl->d_partitions[i].p_size)
- - 1LL));
- ent++;
- }
-
- free(buf);
- return ent;
}
-static struct gpt_ent*
-migrate_netbsd_disklabel(gpt_t gpt, off_t start, struct gpt_ent *ent)
+static gpt_type_t
+netbsd_fstype_to_gpt_type(gpt_t gpt, u_int i, u_int fstype)
+{
+ switch (fstype) {
+ case FS_UNUSED:
+ return GPT_TYPE_INVALID;
+ case FS_HFS:
+ return GPT_TYPE_APPLE_HFS;
+ case FS_EX2FS:
+ return GPT_TYPE_LINUX_DATA;
+ case FS_SWAP:
+ return GPT_TYPE_NETBSD_SWAP;
+ case FS_BSDFFS:
+ return GPT_TYPE_NETBSD_FFS;
+ case FS_BSDLFS:
+ return GPT_TYPE_NETBSD_LFS;
+ case FS_RAID:
+ return GPT_TYPE_NETBSD_RAIDFRAME;
+ case FS_CCD:
+ return GPT_TYPE_NETBSD_CCD;
+ case FS_CGD:
+ return GPT_TYPE_NETBSD_CGD;
+ default:
+ gpt_warnx(gpt, "Partition %u unknown type %s, "
+ "using \"Microsoft Basic Data\"", i, fstypename(fstype));
+ return GPT_TYPE_MS_BASIC_DATA;
+ }
+}
+
+static struct gpt_ent *
+migrate_disklabel(gpt_t gpt, off_t start, struct gpt_ent *ent,
+ gpt_type_t (*convert)(gpt_t, u_int, u_int))
{
char *buf;
struct disklabel *dl;
@@ -214,7 +186,7 @@
if (le32toh(dl->d_magic) != DISKMAGIC ||
le32toh(dl->d_magic2) != DISKMAGIC) {
- gpt_warnx(gpt, "NetBSD slice without disklabel");
+ gpt_warnx(gpt, "MBR partition without disklabel");
free(buf);
return ent;
}
@@ -229,6 +201,7 @@
if (ofs < rawofs)
rawofs = 0;
}
+
if (gpt->verbose > 1)
gpt_msg(gpt, "rawofs=%ju", (uintmax_t)rawofs);
rawofs /= gpt->secsz;
@@ -238,40 +211,9 @@
gpt_msg(gpt, "Disklabel partition %u type %s", i,
fstypename(dl->d_partitions[i].p_fstype));
- switch (dl->d_partitions[i].p_fstype) {
- case FS_UNUSED:
+ type = (*convert)(gpt, i, dl->d_partitions[i].p_fstype);
+ if (type == GPT_TYPE_INVALID)
continue;
- case FS_HFS:
- type = GPT_TYPE_APPLE_HFS;
- break;
- case FS_EX2FS:
- type = GPT_TYPE_LINUX_DATA;
- break;
- case FS_SWAP:
- type = GPT_TYPE_NETBSD_SWAP;
- break;
- case FS_BSDFFS:
- type = GPT_TYPE_NETBSD_FFS;
- break;
- case FS_BSDLFS:
- type = GPT_TYPE_NETBSD_LFS;
- break;
- case FS_RAID:
- type = GPT_TYPE_NETBSD_RAIDFRAME;
- break;
- case FS_CCD:
- type = GPT_TYPE_NETBSD_CCD;
- break;
- case FS_CGD:
- type = GPT_TYPE_NETBSD_CGD;
- break;
- default:
- gpt_warnx(gpt, "Partition %u unknown type %s, "
- "using \"Microsoft Basic Data\"", i,
- fstypename(dl->d_partitions[i].p_fstype));
- type = GPT_TYPE_MS_BASIC_DATA;
- break;
- }
gpt_uuid_create(type, ent->ent_type,
ent->ent_name, sizeof(ent->ent_name));
@@ -299,6 +241,7 @@
struct mbr *mbr;
uint32_t start, size;
unsigned int i;
+ gpt_type_t type = GPT_TYPE_INVALID;
map = map_find(gpt, MAP_TYPE_MBR);
if (map == NULL || map->map_start != 0) {
@@ -326,40 +269,39 @@
switch (mbr->mbr_part[i].part_typ) {
case MBR_PTYPE_UNUSED:
continue;
- case MBR_PTYPE_386BSD: { /* FreeBSD */
+
+ case MBR_PTYPE_386BSD: /* FreeBSD */
if (slice) {
- gpt_uuid_create(GPT_TYPE_FREEBSD,
- ent->ent_type, ent->ent_name,
- sizeof(ent->ent_name));
- ent->ent_lba_start = htole64((uint64_t)start);
- ent->ent_lba_end = htole64(
- (uint64_t)(start + size - 1LL));
- ent++;
- } else
- ent = migrate_disklabel(gpt, start, ent);
+ type = GPT_TYPE_FREEBSD;
+ break;
+ } else {
+ ent = migrate_disklabel(gpt, start, ent,
+ freebsd_fstype_to_gpt_type);
+ continue;
+ }
+
+ case MBR_PTYPE_NETBSD: /* NetBSD */
+ ent = migrate_disklabel(gpt, start, ent,
+ netbsd_fstype_to_gpt_type);
+ continue;
+
+ case MBR_PTYPE_EFI:
+ type = GPT_TYPE_EFI;
break;
- }
- case MBR_PTYPE_NETBSD:
- ent = migrate_netbsd_disklabel(gpt, start, ent);
- break;
- case MBR_PTYPE_EFI: {
- gpt_uuid_create(GPT_TYPE_EFI,
- ent->ent_type, ent->ent_name,
- sizeof(ent->ent_name));
- ent->ent_lba_start = htole64((uint64_t)start);
- ent->ent_lba_end = htole64(
- (uint64_t)(start + size - 1LL));
- ent++;
- break;
- }
+
default:
if (!force) {
gpt_warnx(gpt, "unknown partition type (%d)",
mbr->mbr_part[i].part_typ);
return -1;
}
- break;
+ continue;
}
+ gpt_uuid_create(type, ent->ent_type, ent->ent_name,
+ sizeof(ent->ent_name));
+ ent->ent_lba_start = htole64((uint64_t)start);
+ ent->ent_lba_end = htole64((uint64_t)(start + size - 1LL));
+ ent++;
}
if (gpt_write_primary(gpt) == -1)
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