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Differential D25512 Diff 76416 stand/i386/zfsboot/zfsboot.c

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stand/i386/zfsboot/zfsboot.c

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#include <sys/param.h> #include <sys/param.h>
#include <sys/errno.h> #include <sys/errno.h>
#include <sys/diskmbr.h> #include <sys/diskmbr.h>
#ifdef GPT #ifdef GPT
#include <sys/gpt.h> #include <sys/gpt.h>
#endif #endif
#include <sys/reboot.h> #include <sys/reboot.h>
#include <sys/queue.h> #include <sys/queue.h>
#include <sys/zfs_bootenv.h>
#include <machine/bootinfo.h> #include <machine/bootinfo.h>
#include <machine/elf.h> #include <machine/elf.h>
#include <machine/pc/bios.h> #include <machine/pc/bios.h>
#include <stdarg.h> #include <stdarg.h>
#include <stddef.h> #include <stddef.h>
▲ Show 20 Lines • Show All 176 Lines • ▼ Show 20 Lines bootdev = MAKEBOOTDEV(dev_maj[DEVT_DISK], devdesc.d_slice + 1,
devdesc.d_partition >= 0 ? devdesc.d_partition : 0xff); devdesc.d_partition >= 0 ? devdesc.d_partition : 0xff);
/* /*
* zfs_fmtdev() can be called only after dv_init * zfs_fmtdev() can be called only after dv_init
*/ */
if (bdev != NULL && bdev->dd.d_dev->dv_type == DEVT_ZFS) { if (bdev != NULL && bdev->dd.d_dev->dv_type == DEVT_ZFS) {
/* set up proper device name string for ZFS */ /* set up proper device name string for ZFS */
strncpy(boot_devname, zfs_fmtdev(bdev), sizeof (boot_devname)); strncpy(boot_devname, zfs_fmtdev(bdev), sizeof (boot_devname));
if (zfs_nextboot(bdev, cmd, sizeof(cmd)) == 0) { if (zfs_get_bootonce(bdev, OS_BOOTONCE, cmd,
sizeof(cmd)) == 0) {
nvlist_t *benv;
nextboot = 1; nextboot = 1;
memcpy(cmddup, cmd, sizeof(cmd)); memcpy(cmddup, cmd, sizeof(cmd));
if (parse_cmd()) { if (parse_cmd()) {
if (!OPT_CHECK(RBX_QUIET)) if (!OPT_CHECK(RBX_QUIET))
printf("failed to parse pad2 area\n"); printf("failed to parse bootonce "
"command\n");
exit(0); exit(0);
} }
if (!OPT_CHECK(RBX_QUIET)) if (!OPT_CHECK(RBX_QUIET))
printf("zfs nextboot: %s\n", cmddup); printf("zfs bootonce: %s\n", cmddup);
if (zfs_get_bootenv(bdev, &benv) == 0) {
nvlist_add_string(benv, OS_BOOTONCE_USED,
cmddup);
zfs_set_bootenv(bdev, benv);
}
/* Do not process this command twice */ /* Do not process this command twice */
*cmd = 0; *cmd = 0;
} }
} }
/* now make sure we have bdev on all cases */ /* now make sure we have bdev on all cases */
free(bdev); free(bdev);
i386_getdev((void **)&bdev, boot_devname, NULL); i386_getdev((void **)&bdev, boot_devname, NULL);
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