LU-946 lprocfs: List open files in filesystem

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

diff --git a/lustre/tests/sanityn.sh b/lustre/tests/sanityn.sh
index 9340b37..142c870 100644 (file)
--- a/lustre/tests/sanityn.sh
+++ b/lustre/tests/sanityn.sh
@@ -2571,6 +2571,82 @@ test_75() {
 }
 run_test 75 "osc: upcall after unuse lock==================="
 
+test_76() { #LU-946
+       [[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.5.53) ]] &&
+               skip "Need MDS version at least 2.5.53" && return
+
+       remote_mds_nodsh && skip "remote MDS with nodsh" && return
+       local fcount=2048
+       local fd
+       local cmd
+       local mdt_idx
+       local mds_idx
+       declare -a fd_list
+       declare -a fid_list
+
+       if remote_mds; then
+               nid=$($LCTL list_nids | sed  "s/\./\\\./g")
+       else
+               nid="0@lo"
+       fi
+
+       rm -rf $DIR/$tdir
+       test_mkdir -p $DIR/$tdir
+       if [ $MDSCOUNT -gt 1 ]; then
+               mdt_idx=$($LFS getdirstripe -i $DIR/$tdir)
+       else
+               mdt_idx=0
+       fi
+       mds_idx=$((mdt_idx + 1))
+       proc_ofile="mdt.*$mdt_idx.exports.'$nid'.open_files"
+
+       cancel_lru_locks mdc
+
+       echo -n "open files "
+       ulimit -n 8096
+       for (( i = 0; i < $fcount; i++ )) ; do
+               touch $DIR/$tdir/f_$i
+               fd=$(free_fd)
+               cmd="exec $fd<$DIR/$tdir/f_$i"
+               eval $cmd
+               fd_list[i]=$fd
+               echo -n "."
+       done
+       echo
+
+       fid_list=($(do_facet mds$mds_idx $LCTL get_param -n $proc_ofile))
+
+       # Possible errors in openfiles FID list.
+       # 1. Missing FIDs. Check 1
+       # 2. Extra FIDs. Check 1
+       # 3. Duplicated FID. Check 2
+       # 4. Invalid FIDs. Check 2
+       # 5. Valid FID, points to some other file. Check 3
+
+       # Check 1
+       [ ${#fid_list[@]} -ne $fcount ] &&
+               error "${#fid_list[@]} != $fcount open files"
+
+       for (( i = 0; i < $fcount; i++ )) ; do
+               cmd="exec ${fd_list[i]}</dev/null"
+               eval $cmd
+               filename=$($LFS fid2path $DIR2 ${fid_list[i]})
+
+               # Check 2
+               rm --interactive=no $filename
+               [ $? -ne 0 ] &&
+                       error "Nonexisting fid ${fid_list[i]} listed."
+       done
+
+       # Check 3
+       ls_op=$(ls $DIR2/$tdir | wc -l)
+       [ $ls_op -ne 0 ] &&
+               error "Some openfiles are missing in lproc output"
+
+       rm -rf $DIR/$tdir
+}
+run_test 76 "Verify open file for 2048 files"
+
 log "cleanup: ======================================================"
 
 [ "$(mount | grep $MOUNT2)" ] && umount $MOUNT2