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generic: make 17[1-4] work well when btrfs compression is enabled

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When enabling btrfs compression, original codes can not fill fs
correctly, here we introduce _fill_fs() in common/rc, which'll keep
creating and writing files until enospc error occurs. Note _fill_fs
is copied from tests/generic/256, but with some minor modifications.

Signed-off-by: Wang Xiaoguang <wangxg.fnst@cn.fujitsu.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Wang Xiaoguang
2016-11-02 12:07:27 +08:00
committed by Eryu Guan
parent f613638308
commit 815015e9ee
6 changed files with 82 additions and 68 deletions
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tests/generic/173
+2 -2
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@@ -38,6 +38,7 @@ _cleanup()
# get standard environment, filters and checks
. ./common/rc
. ./common/populate
. ./common/filter
. ./common/attr
. ./common/reflink
@@ -76,8 +77,7 @@ sync
echo "Allocate the rest of the space"
nr_free=$(stat -f -c '%f' $testdir)
touch $testdir/file0 $testdir/file1
_pwrite_byte 0x61 0 $((blksz * nr_free)) $testdir/eat_my_space >> $seqres.full 2>&1
_fill_fs $((blksz * nr_free)) $testdir/space $blksz 0 >> $seqres.full 2>&1
sync
echo "mmap CoW the big file"