On Jan 14 2008 15:53, Robert P. J. Day wrote:
>>
>> fdisk or similar should have issued an ioctl to reread the partition
>> table after writing the new one, but you can do it manually with
>> 'blockdev --rereadpt <device>'.
>
>i remember bringing up this very issue quite some time ago and, IIRC,
>the consensus was that *primary* partition changes would be re-read by
>the kernel, but not *logical* partition changes. or something sort of
>like that.
Nah, it dumps the whole partition structure.
Note in fs/partition/check.c:rescan_partitions:
for (p = 1; p < disk->minors; p++)
delete_partition(disk, p);
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