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xfs/205: update for v5 filesystems

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Update this test to work with v5 filesystems, which have a minimum block
size of 1k.  Adapt the script to sense the amount of free space reported
so that we can get close to ENOSPC instead of hardcoding.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Darrick J. Wong
2018-11-01 16:19:40 -07:00
committed by Eryu Guan
parent 05b0bb8c73
commit f1e94da67c
1 changed files with 14 additions and 7 deletions
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tests/xfs/205
+14 -7
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@@ -27,14 +27,15 @@ _require_scratch_nocheck
rm -f $seqres.full
_scratch_mkfs_xfs -d size=16m -b size=512 -l size=4944b >> $seqres.full 2>&1
fsblksz=1024
_scratch_mkfs_xfs -d size=$((32768*fsblksz)) -b size=$fsblksz >> $seqres.full 2>&1
_scratch_mount
# fix the reserve block pool to a known size so that the enospc calculations
# work out correctly.
_scratch_resvblks 1024 >> $seqres.full 2>&1
# on a 16MB filesystem, there's 32768x512byte blocks. used is:
# on a 16MB filesystem, there's 32768x$fsblkszbyte blocks. used is:
# - 4944 in the log,
# - 32+1 for the root inode cluster
# - 4 for the AG header
@@ -50,19 +51,25 @@ _scratch_resvblks 1024 >> $seqres.full 2>&1
# Filesystem 1K-blocks Used Available Use% Mounted on
# /dev/ubdc 13912 13908 4 100% /mnt/scratch
#
dd if=/dev/zero of=$SCRATCH_MNT/fred bs=512 count=25000 2>&1 | _filter_dd
dd if=/dev/zero of=$SCRATCH_MNT/fred2 bs=512 count=500 2>&1 | _filter_dd
dd if=/dev/zero of=$SCRATCH_MNT/fred3 bs=512 count=245 2>&1 | _filter_dd
blks=$(( ($(_get_available_space $SCRATCH_MNT) / $fsblksz) - 15 ))
test $blks -gt 1100 || _notrun "not enough space"
b1=$(echo $blks | sed -e 's/[0-9][0-9][0-9]$/000/g')
b2=$(echo $blks | sed -e 's/^[0-9][0-9]//g')
echo "blks: $blks b1: $b1 b2: $b2" >> $seqres.full
dd if=/dev/zero of=$SCRATCH_MNT/fred bs=$fsblksz count=$((b1 - 1000)) 2>&1 | _filter_dd
dd if=/dev/zero of=$SCRATCH_MNT/fred2 bs=$fsblksz count=$b2 2>&1 | _filter_dd
dd if=/dev/zero of=$SCRATCH_MNT/fred3 bs=$fsblksz count=$((blks - (b1 + b2))) 2>&1 | _filter_dd
rm -f $SCRATCH_MNT/fred*
echo "*** one file"
# now try a single file of that size
dd if=/dev/zero of=$SCRATCH_MNT/fred bs=512 count=26745 2>&1 | _filter_dd
dd if=/dev/zero of=$SCRATCH_MNT/fred bs=$fsblksz count=$blks 2>&1 | _filter_dd
#rm -f $SCRATCH_MNT/fred*
echo "*** one file, a few bytes at a time"
# now try a single file of that size
dd if=/dev/zero of=$SCRATCH_MNT/fred bs=15 count=$[26745/15*512] 2>&1 | _filter_dd
dd if=/dev/zero of=$SCRATCH_MNT/fred bs=15 count=$[blks/15*$fsblksz] 2>&1 | _filter_dd
echo space: $(_get_available_space $SCRATCH_MNT) >> $seqres.full
# success, all done
echo "*** done"