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From: Szakacsits S. <sz...@si...> - 2004-04-10 21:04:50
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On Sat, 10 Apr 2004 vi...@pa... wrote: > On Sat, Apr 10, 2004 at 10:29:37PM +0200, Andries Brouwer wrote: > > On Fri, Apr 09, 2004 at 01:38:51PM +0200, Szakacsits Szabolcs wrote: > > > > > > TODO.ntfsprogs conatins the following TODO item under mkntfs: > > > > - We don't know what the real last sector is, thus we mark the volume > > > > dirty and the subsequent chkdsk (which will happen on reboot into > > > > Windows automatically) recreates the backup boot sector if the Linux > > > > kernel lied to us about the number of sectors. > > > > The ioctl BLKGETSIZE64 will tell you the size (in bytes) of a block device. > > So will lseek() to SEEK_END, actually (both 2.4 and 2.6). > And yes, last sector _is_ accessible for dd(1) et.al. In 2.6? Not for 2.4 when I tried (it wasn't the latest 2.4 kernel). Szaka |
