fstests: per-test dmthin instances

We can't run two tests that use dmthin at the same time because
the device name is the same. hence they interfere with each other.
Give dmthin devices their own per-test names to avoid this
problem.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Zorro lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>

diff --git a/common/dmthin b/common/dmthin
index 7107d50804896ee008cfd3ac0e25b488dbf05bb2..f2c00f5a7106bc398620d1e48a8cfbb3da2c960a 100644 (file)
--- a/common/dmthin
+++ b/common/dmthin
@@ -9,16 +9,16 @@
 # from a single scratch device
 
 # Backing data dev
-DMTHIN_DATA_NAME="thin-data"
+DMTHIN_DATA_NAME="thin-data.$seq"
 DMTHIN_DATA_DEV="/dev/mapper/$DMTHIN_DATA_NAME"
 # Backing metadata dev
-DMTHIN_META_NAME="thin-meta"
+DMTHIN_META_NAME="thin-meta.$seq"
 DMTHIN_META_DEV="/dev/mapper/$DMTHIN_META_NAME"
 # Backing pool dev (combination of above)
-DMTHIN_POOL_NAME="thin-provision-pool"
+DMTHIN_POOL_NAME="thin-provision-pool.$seq"
 DMTHIN_POOL_DEV="/dev/mapper/$DMTHIN_POOL_NAME"
 # Thin volume
-DMTHIN_VOL_NAME="thin-vol"
+DMTHIN_VOL_NAME="thin-vol.$seq"
 DMTHIN_VOL_DEV="/dev/mapper/$DMTHIN_VOL_NAME"
 
 _dmthin_cleanup()