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SubjectRe: lseek("/dev/hda1", 0, SEEK_END) returns 0
   Date: 	Tue, 19 Jan 1999 19:42:00 -0500 (EST)
From: Tom Vier <>

the BLKGETSIZE ioctl returns sector size of block devices (ie,
/dev/sda1). but don't sector sizes vary as well? there doesn't seem to
be an ioctl to get sector size, unfortunately.

No, the sector size is always 512; or at least, it should always be 512,
for the purposes of the kernel/user-mode interface.

- Ted

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