usbgen: zpool destroy can fail with pool busy

tsoome · pyhalov · commit a9d099daa69a · 2018-04-13T19:46:22.000+03:00
diff --git a/usr/src/cmd/install-tools/usbgen b/usr/src/cmd/install-tools/usbgen
@@ -338,7 +338,7 @@ pdev="${devs/p0/}"
 # create GPT partitioning with system, boot and root
 #
 zpool create -B -o bootsize=34M usbgen-$$ $pdev
-zpool destroy usbgen-$$
+until zpool destroy usbgen-$$; do sleep 1; done
 
 prtvtoc "${rs2devs}" | nawk '
 /^[^\*]/ { r = $1; for(n = 1; n <= NF; n++) vtoc[r,n] = $n }

Original file line number	Diff line number	Diff line change
`@@ -338,7 +338,7 @@ pdev="${devs/p0/}"`
`338`	`338`	`# create GPT partitioning with system, boot and root`
`339`	`339`	`#`
`340`	`340`	`zpool create -B -o bootsize=34M usbgen-$$ $pdev`
`341`		`-zpool destroy usbgen-$$`
	`341`	`+until zpool destroy usbgen-$$; do sleep 1; done`
`342`	`342`
`343`	`343`	`prtvtoc "${rs2devs}" \| nawk '`
`344`	`344`	`/^[^\*]/ { r = $1; for(n = 1; n <= NF; n++) vtoc[r,n] = $n }`