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o When opening device, return error if its cached name is incorrect (eg if
it's changed since the cache was generated). This prevents use until
the cache is rebuilt (eg with vgscan). Doesn't catch every case.
o updated vgcfgrestore args
o change _check_for_open_devices only to check devices present in the hash
table instead of using dev_iter which triggers a full scan even when only
displaying command line help
o roll vgcache back to agk's implementation, we'll revisit this as part
of the cluster integration.
o change the extra_info field in a label to be a void *
o Changed disk-rep to use these
o if NDEBUG is not defined the dev_cache will check for open devices on
teardown.
I was hoping this would speed things up. But I'm still getting:
reti:/home/joe/sistina/LVM2/tools# time ./lvm vgchange -a n
Volume group vg0 successfully changed
real 0m5.751s
user 0m0.060s
sys 0m0.070s
even though I have only 1 device with the vg on it passing the filters.
devices {
# first match is final, eg. /dev/ide/cdrom
# get's rejected due to the first pattern
filter=["r/cdrom/", # don't touch the music !
"a/hd[a-d][0-9]+/",
"a/ide/",
"a/sd/",
"a/md/",
"a|loop/[0-9]+|", # accept devfs style loop back
"r/loop/", # and reject old style
"a/dasd/",
"a/dac960/",
"a/nbd/",
"a/ida/",
"a/cciss/",
"a/ubd/",
"r/.*/"] # reject all others
}
Alasdair this is ready to roll into the tools now.
