b=18233 fix read+truncate livelock

[fs/lustre-release.git] / lustre / tests / sanity.sh

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index c3e586f..18ee710 100755 (executable)
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -44,7 +44,6 @@ MCREATE=${MCREATE:-mcreate}
 OPENFILE=${OPENFILE:-openfile}
 OPENUNLINK=${OPENUNLINK:-openunlink}
 READS=${READS:-"reads"}
-TRUNCATE=${TRUNCATE:-truncate}
 MUNLINK=${MUNLINK:-munlink}
 SOCKETSERVER=${SOCKETSERVER:-socketserver}
 SOCKETCLIENT=${SOCKETCLIENT:-socketclient}
@@ -2664,7 +2663,7 @@ test_43b() {
        cp -p `which multiop` $DIR/d43/multiop || cp -p multiop $DIR/d43/multiop
         MULTIOP_PROG=$DIR/d43/multiop multiop_bg_pause $TMP/test43.junk O_c || return 1
         MULTIOP_PID=$!
-        truncate $DIR/d43/multiop 0 && error "expected error, got success"
+        $TRUNCATE $DIR/d43/multiop 0 && error "expected error, got success"
         kill -USR1 $MULTIOP_PID || return 2
         wait $MULTIOP_PID || return 3
         rm $TMP/test43.junk
@@ -3913,7 +3912,7 @@ test_69() {
        $DIRECTIO write ${f}.2 0 1 || error "directio write error"
 
        do_facet ost1 lctl set_param fail_loc=0x217
-       truncate $f 1 # vmtruncate() will ignore truncate() error.
+       $TRUNCATE $f 1 # vmtruncate() will ignore truncate() error.
        $DIRECTIO write $f 0 2 && error "write succeeded, expect -ENOENT"
 
        do_facet ost1 lctl set_param fail_loc=0
@@ -7707,6 +7706,23 @@ test_217() { # bug 22430
 }
 run_test 217 "check lctl ping for hostnames with hiphen ('-')"
 
+test_218() {
+       # do directio so as not to populate the page cache
+       log "creating a 10 Mb file"
+       multiop $DIR/$tfile oO_CREAT:O_DIRECT:O_RDWR:w$((10*1048576))c || error "multiop failed while creating a file"
+       log "starting reads"
+       dd if=$DIR/$tfile of=/dev/null bs=4096 &
+       log "truncating the file"
+       multiop $DIR/$tfile oO_TRUNC:c || error "multiop failed while truncating the file"
+       log "killing dd"
+       kill %+ || true # reads might have finished
+       echo "wait until dd is finished"
+       wait
+       log "removing the temporary file"
+       rm -rf $DIR/$tfile || error "tmp file removal failed"
+}
+run_test 218 "parallel read and truncate should not deadlock ======================="
+
 #
 # tests that do cleanup/setup should be run at the end
 #