/**
* fdisk_deassign_device:
* @cxt: context
* @nosync: disable fsync()
*
* Close device and call fsync(). If the @cxt is nested context than the
* request is redirected to the parent.
*
* Returns: 0 on success, < 0 on error.
*/
int fdisk_deassign_device(struct fdisk_context *cxt, int nosync)
{
assert(cxt);
assert(cxt->dev_fd >= 0);
if (cxt->parent) {
int rc = fdisk_deassign_device(cxt->parent, nosync);
if (!rc)
rc = init_nested_from_parent(cxt, 0);
return rc;
}
if (cxt->readonly)
close(cxt->dev_fd);
else {
if (fsync(cxt->dev_fd) || close(cxt->dev_fd)) {
fdisk_warn(cxt, _("%s: close device failed"),
cxt->dev_path);
return -errno;
}
if (!nosync) {
fdisk_info(cxt, _("Syncing disks."));
sync();
}
}
free(cxt->dev_path);
cxt->dev_path = NULL;
cxt->dev_fd = -1;
return 0;
}
int print_device_freespace(struct fdisk_context *cxt, char *device, int warnme)
{
if (fdisk_assign_device(cxt, device, 1) != 0) { /* read-only */
if (warnme || errno == EACCES)
warn(_("cannot open %s"), device);
return -1;
}
list_freespace(cxt);
fdisk_deassign_device(cxt, 1);
return 0;
}
static int write_changes(struct sfdisk *sf)
{
int rc = 0;
if (sf->noact)
fdisk_info(sf->cxt, _("The partition table is unchanged (--no-act)."));
else {
rc = fdisk_write_disklabel(sf->cxt);
if (!rc) {
fdisk_info(sf->cxt, _("\nThe partition table has been altered."));
fdisk_reread_partition_table(sf->cxt);
}
}
if (!rc)
rc = fdisk_deassign_device(sf->cxt, sf->noact); /* no-sync when no-act */
return rc;
}
int print_device_pt(struct fdisk_context *cxt, char *device, int warnme, int verify)
{
if (fdisk_assign_device(cxt, device, 1) != 0) { /* read-only */
if (warnme || errno == EACCES)
warn(_("cannot open %s"), device);
return -1;
}
list_disk_geometry(cxt);
if (fdisk_has_label(cxt)) {
list_disklabel(cxt);
if (verify)
fdisk_verify_disklabel(cxt);
}
fdisk_deassign_device(cxt, 1);
return 0;
}
static int verify_device(struct sfdisk *sf, const char *devname)
{
int rc = 1;
fdisk_enable_listonly(sf->cxt, 1);
if (fdisk_assign_device(sf->cxt, devname, 1)) {
warn(_("cannot open %s"), devname);
return 1;
}
color_scheme_enable("header", UL_COLOR_BOLD);
fdisk_info(sf->cxt, "%s:", devname);
color_disable();
if (!fdisk_has_label(sf->cxt))
fdisk_info(sf->cxt, _("unrecognized partition table type"));
else
rc = fdisk_verify_disklabel(sf->cxt);
fdisk_deassign_device(sf->cxt, 1);
return rc;
}