4 # Exercise filesystem full behaviour - run numerous fsstress
5 # processes in write mode on a small filesystem. NB: delayed
6 # allocate flushing is quite deadlock prone at the filesystem
7 # full boundary due to the fact that we will retry allocation
8 # several times after flushing, before giving back ENOSPC.
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46 echo "QA output created by $seq"
55 umount $SCRATCH_MNT 2>/dev/null
57 trap "_cleanup; rm -f $tmp.*; exit \$status" 0 1 2 3 15
59 # get standard environment, filters and checks
63 # real QA test starts here
75 umount $SCRATCH_DEV >/dev/null 2>&1
76 echo "*** mkfs -dsize=$fsz,agcount=$ags" >>$seq.full
78 _scratch_mkfs_xfs -dsize=$fsz,agcount=$ags >>$seq.full 2>&1 \
79 || _fail "size=$fsz,agcount=$ags mkfs failed"
80 _scratch_mount >>$seq.full 2>&1 \
81 || _fail "mount failed"
83 ltp/fsstress -d $SCRATCH_MNT -w -p $procs -n 10000 $FSSTRESS_AVOID \
88 echo "*** test out-of-space handling for random write operations"
90 # args: filesystem size/ag count/number fsstress processes
96 # NOTE: deadlocks exist at small AG counts and large numbers
97 # of processes - TODO!