apfs/apfstests
0
0
Fork 0
mirror of https://github.com/linux-apfs/apfstests.git synced 2026-05-01 15:01:44 -07:00
Code Issues Packages Projects Releases Wiki Activity

xfs/23[12]: abstractify the XFS cow prealloc trimming interval

Browse Source 
Create a couple of helper functions to get and set the XFS copy on write
preallocation garbage collection interval.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Darrick J. Wong
2021-03-30 18:09:05 -07:00
committed by Eryu Guan
parent bfc810719b
commit 96450234b2
3 changed files with 37 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files
common/xfs
+23
View File
@@ -1079,3 +1079,26 @@ _require_xfs_copy()
[ "$USE_EXTERNAL" = yes ] && \
_notrun "Cannot xfs_copy with external devices"
}
__xfs_cowgc_interval_knob1="/proc/sys/fs/xfs/speculative_cow_prealloc_lifetime"
__xfs_cowgc_interval_knob2="/proc/sys/fs/xfs/speculative_prealloc_lifetime"
_xfs_set_cowgc_interval() {
if [ -w $__xfs_cowgc_interval_knob1 ]; then
echo "$@" > $__xfs_cowgc_interval_knob1
elif [ -w $__xfs_cowgc_interval_knob2 ]; then
echo "$@" > $__xfs_cowgc_interval_knob2
else
_fail "Can't find cowgc interval procfs knob?"
fi
}
_xfs_get_cowgc_interval() {
if [ -w $__xfs_cowgc_interval_knob1 ]; then
cat $__xfs_cowgc_interval_knob1
elif [ -w $__xfs_cowgc_interval_knob2 ]; then
cat $__xfs_cowgc_interval_knob2
else
_fail "Can't find cowgc interval procfs knob?"
fi
}
tests/xfs/231
+7 -6
View File
@@ -22,9 +22,10 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
_cleanup()
{
cd /
echo $old_cow_lifetime > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime
rm -rf $tmp.*
cd /
test -n "$old_cowgc_interval" && \
_xfs_set_cowgc_interval $old_cowgc_interval
rm -rf $tmp.*
}
# get standard environment, filters and checks
@@ -40,7 +41,7 @@ _require_xfs_io_command "cowextsize"
_require_xfs_io_command "falloc"
_require_xfs_io_command "fiemap"
old_cow_lifetime=$(cat /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime)
old_cowgc_interval=$(_xfs_get_cowgc_interval)
rm -f $seqres.full
@@ -74,7 +75,7 @@ md5sum $testdir/file2 | _filter_scratch
md5sum $testdir/file2.chk | _filter_scratch
echo "CoW and leave leftovers"
echo 2 > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime
_xfs_set_cowgc_interval 2
seq 2 2 $((nr - 1)) | while read f; do
$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2 >> $seqres.full
$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2.chk >> $seqres.full
@@ -91,7 +92,7 @@ done
$XFS_IO_PROG -f -c "falloc 0 $filesize" $testdir/junk >> $seqres.full
echo "CoW and leave leftovers"
echo $old_cow_lifetime > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime
_xfs_set_cowgc_interval $old_cowgc_interval
seq 2 2 $((nr - 1)) | while read f; do
$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2 >> $seqres.full
$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2.chk >> $seqres.full
tests/xfs/232
+7 -6
View File
@@ -23,9 +23,10 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
_cleanup()
{
cd /
echo $old_cow_lifetime > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime
rm -rf $tmp.*
cd /
test -n "$old_cowgc_interval" && \
_xfs_set_cowgc_interval $old_cowgc_interval
rm -rf $tmp.*
}
# get standard environment, filters and checks
@@ -41,7 +42,7 @@ _require_cp_reflink
_require_xfs_io_command "falloc"
_require_xfs_io_command "fiemap"
old_cow_lifetime=$(cat /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime)
old_cowgc_interval=$(_xfs_get_cowgc_interval)
rm -f $seqres.full
@@ -75,7 +76,7 @@ md5sum $testdir/file2 | _filter_scratch
md5sum $testdir/file2.chk | _filter_scratch
echo "CoW and leave leftovers"
echo 2 > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime
_xfs_set_cowgc_interval 2
seq 2 2 $((nr - 1)) | while read f; do
$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2 >> $seqres.full
$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2.chk >> $seqres.full
@@ -93,7 +94,7 @@ done
$XFS_IO_PROG -f -c "falloc 0 $filesize" $testdir/junk >> $seqres.full
echo "CoW and leave leftovers"
echo $old_cow_lifetime > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime
_xfs_set_cowgc_interval $old_cowgc_interval
seq 2 2 $((nr - 1)) | while read f; do
$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2 >> $seqres.full
$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2.chk >> $seqres.full