# Ensure block devices re-added to the system allow for large writes (LU-9551)
-ACTION=="add|change", SUBSYSTEM=="block", RUN+="/usr/sbin/l_tunedisk /dev/%k"
+# Currently applies only to ldiskfs-formatted devices
+ACTION!="add|change", GOTO="l_tunedisk_end"
+SUBSYSTEM!="block", GOTO="l_tunedisk_end"
+ENV{ID_FS_TYPE}!="ext4", GOTO="l_tunedisk_end"
+ENV{ID_FS_LABEL}=="MGS|*-MDT*|*-OST*", RUN+="/usr/sbin/l_tunedisk /dev/%k"
+
+LABEL="l_tunedisk_end"