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common/dmerror: add some more dmerror routines

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Add functions to the dmerror routine so that we can load both the
error table and the linear table.  This will help us with EIO testing
of copy-on-write.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Darrick J. Wong
2016-01-11 18:04:49 -08:00
parent 89f436e3ac
commit 8522cbe656
3 changed files with 27 additions and 4 deletions
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common/dmerror
+25 -2
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@@ -46,15 +46,23 @@ _dmerror_mount()
_mount -t $FSTYP `_dmerror_mount_options $*`
}
_dmerror_unmount()
{
umount $SCRATCH_MNT
}
_dmerror_cleanup()
{
$UMOUNT_PROG $SCRATCH_MNT > /dev/null 2>&1
$DMSETUP_PROG remove error-test > /dev/null 2>&1
}
_dmerror_load_table()
_dmerror_load_error_table()
{
$DMSETUP_PROG suspend error-test
suspend_opt="--nolockfs"
[ $# -gt 1 ] && [ $2 -eq 1 ] && suspend_opt=""
$DMSETUP_PROG suspend $suspend_opt error-test
[ $? -ne 0 ] && _fail "dmsetup suspend failed"
$DMSETUP_PROG load error-test --table "$DMERROR_TABLE"
@@ -63,3 +71,18 @@ _dmerror_load_table()
$DMSETUP_PROG resume error-test
[ $? -ne 0 ] && _fail "dmsetup resume failed"
}
_dmerror_load_working_table()
{
suspend_opt="--nolockfs"
[ $# -gt 1 ] && [ $2 -eq 1 ] && suspend_opt=""
$DMSETUP_PROG suspend $suspend_opt error-test
[ $? -ne 0 ] && _fail "dmsetup suspend failed"
$DMSETUP_PROG load error-test --table "$DMLINEAR_TABLE"
[ $? -ne 0 ] && _fail "dmsetup failed to load error table"
$DMSETUP_PROG resume error-test
[ $? -ne 0 ] && _fail "dmsetup resume failed"
}