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-rwxr-xr-xcmd/zed/zed.d/history_event-zfs-list-cacher.sh.in19
1 files changed, 9 insertions, 10 deletions
diff --git a/cmd/zed/zed.d/history_event-zfs-list-cacher.sh.in b/cmd/zed/zed.d/history_event-zfs-list-cacher.sh.in
index 15f0a8ed6..db40fa36d 100755
--- a/cmd/zed/zed.d/history_event-zfs-list-cacher.sh.in
+++ b/cmd/zed/zed.d/history_event-zfs-list-cacher.sh.in
@@ -3,9 +3,8 @@
# Track changes to enumerated pools for use in early-boot
set -ef
-FSLIST_DIR="@sysconfdir@/zfs/zfs-list.cache"
-FSLIST_TMP="@runstatedir@/zfs-list.cache.new"
-FSLIST="${FSLIST_DIR}/${ZEVENT_POOL}"
+FSLIST="@sysconfdir@/zfs/zfs-list.cache/${ZEVENT_POOL}"
+FSLIST_TMP="@runstatedir@/zfs-list.cache@${ZEVENT_POOL}"
# If the pool specific cache file is not writeable, abort
[ -w "${FSLIST}" ] || exit 0
@@ -19,15 +18,15 @@ zed_check_cmd "${ZFS}" sort diff
# If we are acting on a snapshot, we have nothing to do
[ "${ZEVENT_HISTORY_DSNAME%@*}" = "${ZEVENT_HISTORY_DSNAME}" ] || exit 0
-# We obtain a lock on zfs-list to avoid any simultaneous writes.
+# We lock the output file to avoid simultaneous writes.
# If we run into trouble, log and drop the lock
abort_alter() {
- zed_log_msg "Error updating zfs-list.cache!"
- zed_unlock zfs-list
+ zed_log_msg "Error updating zfs-list.cache for ${ZEVENT_POOL}!"
+ zed_unlock "${FSLIST}"
}
finished() {
- zed_unlock zfs-list
+ zed_unlock "${FSLIST}"
trap - EXIT
exit 0
}
@@ -37,7 +36,7 @@ case "${ZEVENT_HISTORY_INTERNAL_NAME}" in
;;
export)
- zed_lock zfs-list
+ zed_lock "${FSLIST}"
trap abort_alter EXIT
echo > "${FSLIST}"
finished
@@ -63,7 +62,7 @@ case "${ZEVENT_HISTORY_INTERNAL_NAME}" in
;;
esac
-zed_lock zfs-list
+zed_lock "${FSLIST}"
trap abort_alter EXIT
PROPS="name,mountpoint,canmount,atime,relatime,devices,exec\
@@ -79,7 +78,7 @@ PROPS="name,mountpoint,canmount,atime,relatime,devices,exec\
sort "${FSLIST_TMP}" -o "${FSLIST_TMP}"
# Don't modify the file if it hasn't changed
-diff -q "${FSLIST_TMP}" "${FSLIST}" || mv "${FSLIST_TMP}" "${FSLIST}"
+diff -q "${FSLIST_TMP}" "${FSLIST}" || cat "${FSLIST_TMP}" > "${FSLIST}"
rm -f "${FSLIST_TMP}"
finished