Bernd Walter wrote:
On Fri, Jul 29, 2005 at 09:41:24PM +0400, Dmitry Morozovsky wrote:
Dear colleagues,
can anyone please point me why mdconfig method for tmpmfs
is malloc-backed instead of swap-backed, and it is hardcoded into rc.subr?
Are swap-backed file systems so inefficient? If no, why not move -M to
/etc/defaultc/rc.conf so admin can override this behaviour?
Diskless systems may not have swap - the default is required as is.
Don't know about beeing hardcoded.
It is hardcoded at /etc/rc.subr:
# Provide a function for normalizing the mounting of memory
# filesystems. This should allow the rest of the code here to remain
# as close as possible between 5-current and 4-stable.
# $1 = size
# $2 = mount point
# $3 = (optional) extra mdmfs flags
mount_md() {
if [ -n "$3" ]; then
flags="$3"
fi
/sbin/mdmfs $flags -s $1 -M md $2
}
I would prefer it to be configurable, too.
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