Datasets:
MIN12352
/
codeparrot

Dataset card Data Studio Files
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/* special case for the MOS */
(void) snprintf(pathname, len, ""<metadata>:<0x%llx>"", (u_longlong_t) obj);
return;
}
/* get the dataset's name */
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
zc.zc_obj = dsobj;
if (ioctl(zhp->zpool_hdl->libzfs_fd,
ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) {
/* just write out a path of two object numbers */
(void) snprintf(pathname, len, ""<0x%llx>:<0x%llx>"",
(u_longlong_t) dsobj, (u_longlong_t) obj);
return;
}
(void) strlcpy(dsname, zc.zc_value, sizeof (dsname));
/* find out if the dataset is mounted */
mounted = is_mounted(zhp->zpool_hdl, dsname, &mntpnt);
/* get the corrupted object's path */
(void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name));
zc.zc_obj = obj;
if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJ_TO_PATH,
&zc) == 0) {
if (mounted) {
(void) snprintf(pathname, len, ""%s%s"", mntpnt,
zc.zc_value);
} else {
(void) snprintf(pathname, len, ""%s:%s"",
dsname, zc.zc_value);
}
} else {
(void) snprintf(pathname, len, ""%s:<0x%llx>"", dsname, (u_longlong_t) obj);
}
free(mntpnt);
}
/*
* Read the EFI label from the config, if a label does not exist then
* pass back the error to the caller. If the caller has passed a non-NULL
* diskaddr argument then we set it to the starting address of the EFI
* partition.
*/
/* ZFS-FUSE: not implemented */
#if 0
static int
read_efi_label(nvlist_t *config, diskaddr_t *sb)
{
char *path;
int fd;
char diskname[MAXPATHLEN];
int err = -1;
if (nvlist_lookup_string(config, ZPOOL_CONFIG_PATH, &path) != 0)
return (err);
(void) snprintf(diskname, sizeof (diskname), ""%s%s"", RDISK_ROOT,
strrchr(path, '/'));
if ((fd = open(diskname, O_RDONLY|O_NDELAY)) >= 0) {
struct dk_gpt *vtoc;
if ((err = efi_alloc_and_read(fd, &vtoc)) >= 0) {
if (sb != NULL)
*sb = vtoc->efi_parts[0].p_start;
efi_free(vtoc);
}
(void) close(fd);
}
return (err);
}
/*
* determine where a partition starts on a disk in the current
* configuration
*/
static diskaddr_t
find_start_block(nvlist_t *config)
{
nvlist_t **child;
uint_t c, children;
diskaddr_t sb = MAXOFFSET_T;
uint64_t wholedisk;
if (nvlist_lookup_nvlist_array(config,
ZPOOL_CONFIG_CHILDREN, &child, &children) != 0) {
if (nvlist_lookup_uint64(config,
ZPOOL_CONFIG_WHOLE_DISK,
&wholedisk) != 0 || !wholedisk) {
return (MAXOFFSET_T);
}
if (read_efi_label(config, &sb) < 0)
sb = MAXOFFSET_T;
return (sb);
}
for (c = 0; c < children; c++) {
sb = find_start_block(child[c]);
if (sb != MAXOFFSET_T) {
return (sb);