xfststests 220: test for prealloc/delalloc/reserved space recapture
PATCH 1/1 xfststests 220: test for prealloc/delalloc/reserved space recapture
Test writing and removing a file in a loop; filesize is 64m, filesystem size is 256m. Loop 16 times each for buffered and direct.
ext4 hits enospc after a couple loops.
---
(note this has the sized mkfs infra from the previous patch this week since that patch needed more work w.r.t. modifying existing tests)
common.rc +0 -0
@@ -237,6 +237,27 @@ _scratch_mkfs_options() echo $SCRATCH_OPTIONS $MKFS_OPTIONS $* $SCRATCH_DEV
}
+# arg 1 is size in bytes, arg 2 is (optional) blocksize +_scratch_mkfs_sized()
+{
+ fssz=$1 + bsz=$2 + [ -z "$bsz" ] && bsz=4096 + let blocks=$fssz/$bsz
+
+ case $FSTYP in
+ xfs)
+ _scratch_mkfs_xfs -d size=$fssz -b size=$bsz 2>&1 >>$here/$seq.full
+ ;;
+ ext2|ext3|ext4)
+ /sbin/mkfs -t $FSTYP -- $MKFS_OPTIONS -b $bsz $SCRATCH_DEV $blocks 2>&1>>$here/$seq.full
+ ;; + *) + _notrun "Filesystem $FSTYP not supported in _scratch_mkfs_sized" + ;; + esac
+}
+_scratch_mkfs_xfs()
{
# extra mkfs options can be added by tests
220 new file +75 -0
75 lines not on this page · raw message
220.out new file +5 -0
@@ -0,0 +1,6 @@ +QA output created by 220 +--> mkfs 256m filesystem +--> 16 buffered 64m writes in a loop +1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 +--> 16 direct 64m writes in a loop +1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 diff --git a/group b/group
index 7cea01d..9b8a401 100644
group +0 -0
@@ -329,3 +329,4 @@ prealloc
217 log metadata auto
218 auto fsr quick
219 auto quota quick
+220 enospc auto quick
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RE: [PATCH] xfststests 220: test for prealloc/delalloc/reserved spacerecapture
Quoted 8 lines · Eric Sandeen
Test writing and removing a file in a loop; filesize is 64m, filesystem size is 256m. Loop 16 times each for buffered and direct.
ext4 hits enospc after a couple loops.
Signed-off-by Eric Sandeen <[email protected]>---
Dumb nit mentioned below, but otherwise looks good. Also note that you'll need to use a different test number now--like 221.
Quoted 75 lines
(note this has the sized mkfs infra from the previous patch this week since that patch needed more work w.r.t. modifying existing tests)
common.rc +20
-0@@ -237,6 +237,27 @@ _scratch_mkfs_options() echo $SCRATCH_OPTIONS $MKFS_OPTIONS $* $SCRATCH_DEV } +# arg 1 is size in bytes, arg 2 is (optional) blocksize +_scratch_mkfs_sized() +{ + fssz=$1 + bsz=$2 + [ -z "$bsz" ] && bsz=4096 + let blocks=$fssz/$bsz + + case $FSTYP in + xfs) + _scratch_mkfs_xfs -d size=$fssz -b size=$bsz 2>&1 >>$here/$seq.full + ;; + ext2|ext3|ext4) + /sbin/mkfs -t $FSTYP -- $MKFS_OPTIONS -b $bsz $SCRATCH_DEV $blocks 2>&1>>$here/$seq.full + ;; + *) + _notrun "Filesystem $FSTYP not supported in _scratch_mkfs_sized" + ;; + esac +} + _scratch_mkfs_xfs() { # extra mkfs options can be added by tests220 new file +33
-0@@ -0,0 +1,76 @@ +#! /bin/sh +# FS QA Test No. 220 +# +# Test for prealloc space leaks by rewriting the same file in a loop +# +#----------------------------------------------------------------------- +# Copyright (c) 2009 Eric Sandeen. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# +#----------------------------------------------------------------------- +# +# creator [email protected] + +seq=`basename $0` +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
220 line 43
Quoted 10 lines
220 new file +10
-0+ +# get standard environment, filters and checks +. ./common.rc + +# real QA test starts here +_supported_fs generic +_supported_os Linux IRIX +_require_scratch + +# real QA test starts here
So which is it, here or above that the "real QA test starts"?
Quoted 55 lines
220 new file +33
-0+rm -f $seq.full + +umount $SCRATCH_DEV 2>/dev/null +let fssize=256*1024*1024 +echo "--> mkfs 256m filesystem" +_scratch_mkfs_sized $fssize >> $seq.full 2>&1 +_scratch_mount + +loops=16 + +echo "--> $loops buffered 64m writes in a loop" +for I in `seq 1 $loops`; do + echo -n "$I " + xfs_io -F -f -c 'pwrite 0 64m' $SCRATCH_MNT/test >> $seq.full + rm -f $SCRATCH_MNT/test +done + +echo +umount $SCRATCH_DEV +_scratch_mount + +echo "--> $loops direct 64m writes in a loop" +for I in `seq 1 $loops`; do + echo -n "$I " + xfs_io -F -f -d -c 'pwrite 0 64m' $SCRATCH_MNT/test >> $seq.full + rm -f $SCRATCH_MNT/test +done + +echo +umount $SCRATCH_DEV + +status=0 +exit220.out new file +6
-0@@ -0,0 +1,6 @@ +QA output created by 220 +--> mkfs 256m filesystem +--> 16 buffered 64m writes in a loop +1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 +--> 16 direct 64m writes in a loop +1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16group +1
-0@@ -329,3 +329,4 @@ prealloc 217 log metadata auto 218 auto fsr quick 219 auto quota quick +220 enospc auto quick
Quoted 4 lines
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Re: [PATCH] xfststests 220: test for prealloc/delalloc/reserved spacerecapture
Quoted 18 lines · Alex Elder
Quoted 8 lines · Eric Sandeen
Test writing and removing a file in a loop; filesize is 64m, filesystem size is 256m. Loop 16 times each for buffered and direct.
ext4 hits enospc after a couple loops.
Signed-off-by Eric Sandeen <[email protected]>---
Dumb nit mentioned below, but otherwise looks good. Also note that you'll need to use a different test number now--like 221.
Reviewed-by Alex Elder <[email protected]>
...
Quoted 8 lines
220 line 43
Quoted 6 lines
220 new file +6
-0+# real QA test starts here +_supported_fs generic +_supported_os Linux IRIX +_require_scratch + +# real QA test starts hereSo which is it, here or above that the "real QA test starts"?
It depends on how you measure the starting point, and in fact by measuring, you may affect the outcome of that measurement ... it could be both at the same time!
-Eric Heisenberg
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