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zvol_wait script should ignore partially received zvols

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Partially received zvols won't have links in /dev/zvol.

Reviewed-by: Sebastien Roy <sebastien.roy@delphix.com>
Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Pavel Zakharov <pavel.zakharov@delphix.com>
Closes #9260
This commit is contained in:
Pavel Zakharov 2019-09-03 14:29:52 -04:00 committed by Tony Hutter
parent 38528476bf
commit 5acba22ec0
1 changed files with 21 additions and 2 deletions
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23
cmd/zvol_wait/zvol_wait
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@ -25,11 +25,30 @@ filter_out_deleted_zvols() {
}
list_zvols() {
zfs list -t volume -H -o name,volmode | while read -r zvol_line; do
zfs list -t volume -H -o name,volmode,receive_resume_token |
while read -r zvol_line; do
name=$(echo "$zvol_line" | awk '{print $1}')
volmode=$(echo "$zvol_line" | awk '{print $2}')
token=$(echo "$zvol_line" | awk '{print $3}')
#
# /dev links are not created for zvols with volmode = "none".
[ "$volmode" = "none" ] || echo "$name"
#
[ "$volmode" = "none" ] && continue
#
# We also also ignore partially received zvols if it is
# not an incremental receive, as those won't even have a block
# device minor node created yet.
#
if [ "$token" != "-" ]; then
#
# Incremental receives create an invisible clone that
# is not automatically displayed by zfs list.
#
if ! zfs list "$name/%recv" >/dev/null 2>&1; then
continue
fi
fi
echo "$name"
done
}