1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
#
# Test for race-condition DIO-write vs punch_hole
# If race exist dio may rewrite punched block after
# it was allocated to another file, we will catch that
# by verifying blocks content
#
[global]
ioengine=libaio
directory=/scratch
# File size is reasonably huge to provoke ENOSPC
filesize=128G
size=999G
iodepth=128
# Expect write failure due to ENOSPC, skip error dump
continue_on_error=write
ignore_error=,ENOSPC
error_dump=0
fallocate=none
exitall
# Two threads (dio and punch_hole) operate on single file:'raicer',
# We do not care about data content here
[dio-raicer]
bs=128k
direct=1
buffered=0
rw=randwrite
runtime=100
filename=raicer
time_based
[punch_hole-raicer]
bs=4k
rw=randtrim
filename=raicer
# Verifier thread continuously writes to newly allcated blocks
# and verifies written content
[aio-dio-verifier]
create_on_open=1
verify=crc32c-intel
verify_fatal=1
verify_dump=1
verify_backlog=1024
verify_async=4
direct=1
# block size should be equals to fs block size to prevent short writes
bs=4k
rw=randrw
filename=aio-dio-verifier
|
