def doNTFSshrink(self, device, partnum, size, partstart, diskinfo):
"""Shrink selected NTFS partition. First the file-system is shrunk,
then the partition containing it. size and partstart are in sectors.
"""
dev = "%s%d" % (device, partnum)
## This rounding to whole clusters may well not be necessary
#clus = int(s * 1e6) / self.ntfs_cluster_size
#newsize = clus * self.ntfs_cluster_size
newsize = size * diskinfo[3]
# First a test run
info = PopupInfo(_("Test run ..."), _("Shrink NTFS partition"))
res = self.xcall("ntfs-testrun %s %s" % (dev, newsize))
info.drop()
if res:
return res
# Now the real thing, resize the file-system
info = PopupInfo(_("This is for real, shrinking file-system ..."),
_("Shrink NTFS partition"))
res = self.xcall("ntfs-resize %s %s" % (dev, newsize))
info.drop()
if res:
return res
# Now resize the actual partition, so that it ends at a cylinder
# boundary after the end of the ntfs filesystem.
cylsize = diskinfo[2]
end = int((partstart + size + 2*cylsize) / cylsize) * cylsize
info = PopupInfo(_("Resizing partition ..."),
_("Shrink NTFS partition"))
res = self.xcall("part-resize %s %d %d" %
(device, partnum, end - partstart))
info.drop()
if res:
return res
# And finally expand the ntfs file-system into the new partition
info = PopupInfo(_("Fitting file-system to new partition ..."),
_("Shrink NTFS partition"))
res = self.xcall("ntfs-growfit %s" % dev)
info.drop()
return res
def doNTFSshrink(self, s):
"""Shrink selected NTFS partition. First the file-system is shrunk,
then the partition containing it. The given size is in MB.
"""
# This rounding to whole clusters may well not be necessary
clus = int(s * 1e6) / self.ntfs_cluster_size
newsize = clus * self.ntfs_cluster_size
dev = self.selectedDevice()
# First a test run
info = PopupInfo(_("Test run ..."), _("Shrink NTFS partition"))
res = self.xcall("ntfs-testrun %s1 %s" % (dev, newsize))
info.drop()
if res:
return res
# Now the real thing, resize the file-system
info = PopupInfo(_("This is for real, shrinking file-system ..."),
_("Shrink NTFS partition"))
res = self.xcall("ntfs-resize %s1 %s" % (dev, newsize))
info.drop()
if res:
return res
# Now resize the actual partition
# Get new start of following partition - even cylinder boundary,
# doing quite a safe rounding up.
newcyl = (int((newsize / 1e6) / self.cylinderMB + 2) / 2) * 2
info = PopupInfo(_("Resizing partition ..."),
_("Shrink NTFS partition"))
res = self.xcall("part1-resize %s %d" % (dev, newcyl))
info.drop()
if res:
return res
# And finally expand the ntfs file-system into the new partition
info = PopupInfo(_("Fitting file-system to new partition ..."),
_("Shrink NTFS partition"))
res = self.xcall("ntfs-growfit %s1" % dev)
info.drop()
self.getDeviceInfo(dev)
return res
