On Mon, 01 Feb 1999 19:35:28 MET, Heinz Mauelshagen
<mauelsha@ez-darmstadt.telekom.de> said:
> Sorry, i can't share your point of view.
> The LVM is able to handle that.
> The Logical Volume block device specials can be searched/read/written
> from user space by llseek() etc.
> The LVM extensions to ll_rw_block() in linux/drivers/block/ll_rw_blk.c
> (see <http://linux.msede.com/lvm>) allow that and fs creation with
> larger fs sizes than 2GB.
Arg --- typo in my reply. I _meant_ to write "The block device layer
has a hard upper limit of 2GB. It doesn't matter which block device you
use." The point still stands: just using an LVM or MD device does
nothing to increase the maximum size of a block device, because all you
end up doing is creating another virtual block device. If I have a RAID
cabinet pretending to be a single big SCSI device, then LVM cannot
possibly increase the upper limit on that device's size.
> BTW: why didn't your great dirty/free list patch for linux/fs/buffer.c
> improving performance with large buffermem make it into 2.2.1?
Because 2.2.1 was for critical bugfixes only; I'm queueing it for 2.2.2.
--Stephen
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