Punch-offline tests.

Basic testing for the punch-offline ioctl code. The tests consist of a
bunch of negative testing to make sure things that are expressly not
allowed fail, followed by a bunch of known-expected outcome tests that
punches holes in several patterns, verifying them.

Signed-off-by: Auke Kok <auke.kok@versity.com>
This commit is contained in:
Auke Kok
2025-07-02 16:24:29 -07:00
parent f7f7980da7
commit 3879728cf3
3 changed files with 600 additions and 0 deletions

453
tests/golden/punch-offline Normal file
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@@ -0,0 +1,453 @@
== can't hole punch dir or special ==
failed to open '/mnt/test.0/test/punch-offline/dir': Is a directory (21)
scoutfs: punch-offline failed: Is a directory (21)
== punching an empty file does nothing ==
== punch outside of i_size does nothing ==
== can't hole punch online extent ==
0: offset: 0 length: 4096 flags: ..L
extents: 1
punch_offline ioctl failed: Invalid argument (22)
scoutfs: punch-offline failed: Invalid argument (22)
0: offset: 0 length: 4096 flags: ..L
extents: 1
== can't hole punch unwritten extent ==
0: offset: 0 length: 12288 flags: .UL
extents: 1
punch_offline ioctl failed: Invalid argument (22)
scoutfs: punch-offline failed: Invalid argument (22)
0: offset: 0 length: 12288 flags: .UL
extents: 1
== hole punch offline extent ==
0: offset: 0 length: 12288 flags: O.L
extents: 1
0: offset: 0 length: 4096 flags: O..
1: offset: 8192 length: 4096 flags: O.L
extents: 2
== can't hole punch non-aligned bsz offset or len ==
0: offset: 0 length: 12288 flags: O.L
extents: 1
punch_offline ioctl failed: Value too large for defined data type (75)
scoutfs: punch-offline failed: Value too large for defined data type (75)
punch_offline ioctl failed: Value too large for defined data type (75)
scoutfs: punch-offline failed: Value too large for defined data type (75)
punch_offline ioctl failed: Value too large for defined data type (75)
scoutfs: punch-offline failed: Value too large for defined data type (75)
punch_offline ioctl failed: Value too large for defined data type (75)
scoutfs: punch-offline failed: Value too large for defined data type (75)
punch_offline ioctl failed: Value too large for defined data type (75)
scoutfs: punch-offline failed: Value too large for defined data type (75)
punch_offline ioctl failed: Value too large for defined data type (75)
scoutfs: punch-offline failed: Value too large for defined data type (75)
0: offset: 0 length: 12288 flags: O.L
extents: 1
== can't hole punch mismatched data_version ==
0: offset: 0 length: 12288 flags: O.L
extents: 1
punch_offline ioctl failed: Stale file handle (116)
scoutfs: punch-offline failed: Stale file handle (116)
punch_offline ioctl failed: Stale file handle (116)
scoutfs: punch-offline failed: Stale file handle (116)
punch_offline ioctl failed: Stale file handle (116)
scoutfs: punch-offline failed: Stale file handle (116)
0: offset: 0 length: 12288 flags: O.L
extents: 1
== Punch hole crossing multiple extents ==
0: offset: 0 length: 7 flags: O.L
extents: 1
0: offset: 0 length: 1 flags: O..
1: offset: 2 length: 1 flags: O..
2: offset: 4 length: 1 flags: O..
3: offset: 6 length: 1 flags: O.L
extents: 4
0: offset: 0 length: 1 flags: O..
1: offset: 6 length: 1 flags: O.L
extents: 2
== punch hole starting at a hole ==
0: offset: 0 length: 7 flags: O.L
extents: 1
0: offset: 0 length: 1 flags: O..
1: offset: 2 length: 1 flags: O..
2: offset: 4 length: 1 flags: O..
3: offset: 6 length: 1 flags: O.L
extents: 4
0: offset: 0 length: 1 flags: O..
1: offset: 6 length: 1 flags: O.L
extents: 2
== large punch ==
0: offset: 0 length: 1572864 flags: O.L
extents: 1
0: offset: 0 length: 134123 flags: O..
1: offset: 202466 length: 264807 flags: O..
2: offset: 535616 length: 199007 flags: O..
3: offset: 802966 length: 769898 flags: O.L
extents: 4
== overlapping punches with lots of extents ==
0: offset: 0 length: 4194304 flags: O.L
extents: 1
extents: 512
extents: 505
extents: 378
extents: 252
0: offset: 0 length: 4096 flags: O..
1: offset: 8192 length: 4096 flags: O..
2: offset: 32768 length: 4096 flags: O..
3: offset: 40960 length: 4096 flags: O..
4: offset: 65536 length: 4096 flags: O..
5: offset: 73728 length: 4096 flags: O..
6: offset: 98304 length: 4096 flags: O..
7: offset: 106496 length: 4096 flags: O..
8: offset: 196608 length: 4096 flags: O..
9: offset: 204800 length: 4096 flags: O..
10: offset: 229376 length: 4096 flags: O..
11: offset: 237568 length: 4096 flags: O..
12: offset: 262144 length: 4096 flags: O..
13: offset: 270336 length: 4096 flags: O..
14: offset: 294912 length: 4096 flags: O..
15: offset: 303104 length: 4096 flags: O..
16: offset: 327680 length: 4096 flags: O..
17: offset: 335872 length: 4096 flags: O..
18: offset: 360448 length: 4096 flags: O..
19: offset: 368640 length: 4096 flags: O..
20: offset: 393216 length: 4096 flags: O..
21: offset: 401408 length: 4096 flags: O..
22: offset: 425984 length: 4096 flags: O..
23: offset: 434176 length: 4096 flags: O..
24: offset: 458752 length: 4096 flags: O..
25: offset: 466944 length: 4096 flags: O..
26: offset: 491520 length: 4096 flags: O..
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237: offset: 4136960 length: 4096 flags: O..
238: offset: 4161536 length: 4096 flags: O..
239: offset: 4169728 length: 4096 flags: O.L
extents: 240
0: offset: 0 length: 1 flags: O..
1: offset: 8 length: 1 flags: O..
2: offset: 16 length: 1 flags: O..
3: offset: 24 length: 1 flags: O..
4: offset: 48 length: 1 flags: O..
5: offset: 56 length: 1 flags: O..
6: offset: 64 length: 1 flags: O..
7: offset: 72 length: 1 flags: O..
8: offset: 80 length: 1 flags: O..
9: offset: 88 length: 1 flags: O..
10: offset: 96 length: 1 flags: O..
11: offset: 104 length: 1 flags: O..
12: offset: 112 length: 1 flags: O..
13: offset: 120 length: 1 flags: O..
14: offset: 176 length: 1 flags: O..
15: offset: 184 length: 1 flags: O..
16: offset: 192 length: 1 flags: O..
17: offset: 200 length: 1 flags: O..
18: offset: 208 length: 1 flags: O..
19: offset: 216 length: 1 flags: O..
20: offset: 224 length: 1 flags: O..
21: offset: 232 length: 1 flags: O..
22: offset: 240 length: 1 flags: O..
23: offset: 248 length: 1 flags: O..
24: offset: 256 length: 1 flags: O..
25: offset: 264 length: 1 flags: O..
26: offset: 272 length: 1 flags: O..
27: offset: 280 length: 1 flags: O..
28: offset: 288 length: 1 flags: O..
29: offset: 296 length: 1 flags: O..
30: offset: 304 length: 1 flags: O..
31: offset: 312 length: 1 flags: O..
32: offset: 320 length: 1 flags: O..
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34: offset: 336 length: 1 flags: O..
35: offset: 344 length: 1 flags: O..
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39: offset: 376 length: 1 flags: O..
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41: offset: 392 length: 1 flags: O..
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50: offset: 464 length: 1 flags: O..
51: offset: 472 length: 1 flags: O..
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55: offset: 504 length: 1 flags: O..
56: offset: 512 length: 1 flags: O..
57: offset: 520 length: 1 flags: O..
58: offset: 528 length: 1 flags: O..
59: offset: 536 length: 1 flags: O..
60: offset: 544 length: 1 flags: O..
61: offset: 552 length: 1 flags: O..
62: offset: 560 length: 1 flags: O..
63: offset: 568 length: 1 flags: O..
64: offset: 576 length: 1 flags: O..
65: offset: 584 length: 1 flags: O..
66: offset: 592 length: 1 flags: O..
67: offset: 600 length: 1 flags: O..
68: offset: 608 length: 1 flags: O..
69: offset: 616 length: 1 flags: O..
70: offset: 624 length: 1 flags: O..
71: offset: 632 length: 1 flags: O..
72: offset: 640 length: 1 flags: O..
73: offset: 648 length: 1 flags: O..
74: offset: 656 length: 1 flags: O..
75: offset: 664 length: 1 flags: O..
76: offset: 672 length: 1 flags: O..
77: offset: 680 length: 1 flags: O..
78: offset: 688 length: 1 flags: O..
79: offset: 696 length: 1 flags: O..
80: offset: 704 length: 1 flags: O..
81: offset: 712 length: 1 flags: O..
82: offset: 720 length: 1 flags: O..
83: offset: 728 length: 1 flags: O..
84: offset: 736 length: 1 flags: O..
85: offset: 744 length: 1 flags: O..
86: offset: 752 length: 1 flags: O..
87: offset: 760 length: 1 flags: O..
88: offset: 768 length: 1 flags: O..
89: offset: 776 length: 1 flags: O..
90: offset: 784 length: 1 flags: O..
91: offset: 792 length: 1 flags: O..
92: offset: 800 length: 1 flags: O..
93: offset: 808 length: 1 flags: O..
94: offset: 816 length: 1 flags: O..
95: offset: 824 length: 1 flags: O..
96: offset: 832 length: 1 flags: O..
97: offset: 840 length: 1 flags: O..
98: offset: 848 length: 1 flags: O..
99: offset: 856 length: 1 flags: O..
100: offset: 864 length: 1 flags: O..
101: offset: 872 length: 1 flags: O..
102: offset: 880 length: 1 flags: O..
103: offset: 888 length: 1 flags: O..
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105: offset: 904 length: 1 flags: O..
106: offset: 912 length: 1 flags: O..
107: offset: 920 length: 1 flags: O..
108: offset: 928 length: 1 flags: O..
109: offset: 936 length: 1 flags: O..
110: offset: 944 length: 1 flags: O..
111: offset: 952 length: 1 flags: O..
112: offset: 960 length: 1 flags: O..
113: offset: 968 length: 1 flags: O..
114: offset: 976 length: 1 flags: O..
115: offset: 984 length: 1 flags: O..
116: offset: 992 length: 1 flags: O..
117: offset: 1000 length: 1 flags: O..
118: offset: 1008 length: 1 flags: O..
119: offset: 1016 length: 1 flags: O.L
extents: 120
extents: 0

View File

@@ -10,6 +10,7 @@ simple-readdir.sh
get-referring-entries.sh
fallocate.sh
basic-truncate.sh
punch-offline.sh
data-prealloc.sh
setattr_more.sh
offline-extent-waiting.sh

View File

@@ -0,0 +1,146 @@
t_require_commands scoutfs dd fallocate
FILE="$T_D0/file"
DIR="$T_D0/dir"
echo "== can't hole punch dir or special =="
rm -rf $DIR && mkdir -p $DIR
scoutfs punch-offline $DIR -o 0 -l 4096 -V 0
echo "== punching an empty file does nothing =="
rm -f $FILE && touch $FILE
scoutfs punch-offline $FILE -o 0 -l 4096 -V 0
echo "== punch outside of i_size does nothing =="
dd if=/dev/zero of=$FILE bs=4096 count=1 status=none
scoutfs punch-offline $FILE -o 4096 -l 4096 -V 1
echo "== can't hole punch online extent =="
scoutfs get-fiemap -Lb $FILE
scoutfs punch-offline $FILE -o 0 -l 4096 -V 1
scoutfs get-fiemap -Lb $FILE
echo "== can't hole punch unwritten extent =="
rm -rf $FILE && touch $FILE
fallocate -l $((4096 * 3)) $FILE
vers=$(scoutfs stat -s data_version "$FILE")
scoutfs get-fiemap -Lb $FILE
scoutfs punch-offline $FILE -o 4096 -l 4096 -V $vers
scoutfs get-fiemap -Lb $FILE
echo "== hole punch offline extent =="
rm -rf $FILE && touch $FILE
fallocate -l $((4096 * 3)) $FILE
vers=$(scoutfs stat -s data_version "$FILE")
scoutfs release $FILE --data-version $vers
scoutfs get-fiemap -Lb $FILE
scoutfs punch-offline $FILE -o 4096 -l 4096 -V $vers
scoutfs get-fiemap -Lb $FILE
echo "== can't hole punch non-aligned bsz offset or len =="
rm -rf $FILE && touch $FILE
fallocate -l $((4096 * 3)) $FILE
vers=$(scoutfs stat -s data_version "$FILE")
scoutfs release $FILE --data-version $vers
scoutfs get-fiemap -Lb $FILE
scoutfs punch-offline $FILE -o 4095 -l 4096 -V $vers
scoutfs punch-offline $FILE -o 1 -l 4096 -V $vers
scoutfs punch-offline $FILE -o 4096 -l 409700 -V $vers
scoutfs punch-offline $FILE -o 4096 -l 4097 -V $vers
scoutfs punch-offline $FILE -o 4096 -l 4095 -V $vers
scoutfs punch-offline $FILE -o 4096 -l 1 -V $vers
scoutfs punch-offline $FILE -o 4096 -l 0 -V $vers
scoutfs get-fiemap -Lb $FILE
echo "== can't hole punch mismatched data_version =="
rm -rf $FILE && touch $FILE
fallocate -l $((4096 * 3)) $FILE
vers=$(scoutfs stat -s data_version "$FILE")
scoutfs release $FILE --data-version $vers
scoutfs get-fiemap -Lb $FILE
scoutfs punch-offline $FILE -o 4096 -l 4096 -V 0
scoutfs punch-offline $FILE -o 4096 -l 4096 -V 2
scoutfs punch-offline $FILE -o 4096 -l 4096 -V 9999
scoutfs get-fiemap -Lb $FILE
echo "== Punch hole crossing multiple extents =="
rm -rf $FILE && touch $FILE
fallocate -l $((7 * 4096)) $FILE
vers=$(scoutfs stat -s data_version "$FILE")
scoutfs release $FILE --data-version $vers
scoutfs get-fiemap -L $FILE
scoutfs punch-offline $FILE -o $((1 * 4096)) -l 4096 -V $vers
scoutfs punch-offline $FILE -o $((3 * 4096)) -l 4096 -V $vers
scoutfs punch-offline $FILE -o $((5 * 4096)) -l 4096 -V $vers
# 0.1.2.3
scoutfs get-fiemap -L $FILE
scoutfs punch-offline $FILE -o $((2 * 4096)) -l $((3 * 4096)) -V $vers
# 0.....1
scoutfs get-fiemap -L $FILE
echo "== punch hole starting at a hole =="
rm -rf $FILE && touch $FILE
fallocate -l $((7 * 4096)) $FILE
vers=$(scoutfs stat -s data_version "$FILE")
scoutfs release $FILE --data-version $vers
scoutfs get-fiemap -L $FILE
scoutfs punch-offline $FILE -o $((1 * 4096)) -l 4096 -V $vers
scoutfs punch-offline $FILE -o $((3 * 4096)) -l 4096 -V $vers
scoutfs punch-offline $FILE -o $((5 * 4096)) -l 4096 -V $vers
# 0.1.2.3
scoutfs get-fiemap -L $FILE
scoutfs punch-offline $FILE -o $((1 * 4096)) -l $((5 * 4096)) -V $vers
# 0.....1
scoutfs get-fiemap -L $FILE
echo "== large punch =="
rm -rf $FILE && touch $FILE
fallocate -l $((6 * 1024 * 1024 * 1024)) $FILE
vers=$(scoutfs stat -s data_version "$FILE")
scoutfs release $FILE --data-version $vers
scoutfs get-fiemap -L $FILE
scoutfs punch-offline $FILE -o $((134123 * 4096)) -l $((68343 * 4096)) -V $vers
scoutfs punch-offline $FILE -o $((467273 * 4096)) -l $((68343 * 4096)) -V $vers
scoutfs punch-offline $FILE -o $((734623 * 4096)) -l $((68343 * 4096)) -V $vers
scoutfs get-fiemap -L $FILE
echo "== overlapping punches with lots of extents =="
rm -rf $FILE && touch $FILE
fallocate -l $((4096 * 1024)) $FILE
vers=$(scoutfs stat -s data_version "$FILE")
scoutfs release $FILE --data-version 1
scoutfs get-fiemap -Lb $FILE
# punch odd ones away
for h in $(seq 1 2 1023); do
scoutfs punch-offline $FILE -o $((h * 4096)) -l 4096 -V $vers
done
scoutfs get-fiemap -Lb $FILE | tail -n 1
# punch a large hole from 32 to 55, removing 7 extents
scoutfs punch-offline $FILE -o $((32 * 4096)) -l $((13 * 4096)) -V $vers
scoutfs get-fiemap -Lb $FILE | tail -n 1
# punch every 8th @6
for h in $(seq 6 8 1024); do
scoutfs punch-offline $FILE -o $((h * 4096)) -l 4096 -V $vers
done
# again @4
scoutfs get-fiemap -Lb $FILE | tail -n 1
for h in $(seq 4 8 1024); do
scoutfs punch-offline $FILE -o $((h * 4096)) -l 4096 -V $vers
done
scoutfs get-fiemap -Lb $FILE | tail -n 1
# punching a large hole from 127 to 175, removing 12 extents
scoutfs punch-offline $FILE -o $((127 * 4096)) -l $((48 * 4096)) -V $vers
scoutfs get-fiemap -Lb $FILE
# again @2
for h in $(seq 2 8 1024); do
scoutfs punch-offline $FILE -o $((h * 4096)) -l 4096 -V $vers
done
scoutfs get-fiemap -L $FILE
# and again @0, punching away everything remaining extent
for h in $(seq 0 8 1024); do
scoutfs punch-offline $FILE -o $((h * 4096)) -l 4096 -V $vers
done
scoutfs get-fiemap -Lb $FILE
t_pass