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authorKay Sievers <kay@vrfy.org>2014-06-03 16:49:38 +0200
committerKay Sievers <kay@vrfy.org>2014-06-03 16:49:38 +0200
commite918a1b5a94f270186dca59156354acd2a596494 (patch)
tree4b3d32fe3e05d729b803fc2e24efa765cba1686c
parente5999b46792b859043a62431d426a280f26a16d7 (diff)
udev: exclude device-mapper from block device ownership event locking
-rw-r--r--src/udev/udevd.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/src/udev/udevd.c b/src/udev/udevd.c
index 819ea3bb22..6c05104974 100644
--- a/src/udev/udevd.c
+++ b/src/udev/udevd.c
@@ -290,7 +290,19 @@ static void worker_new(struct event *event)
* acquired the lock, the external process will block until
* udev has finished its event handling.
*/
- if (streq_ptr("block", udev_device_get_subsystem(dev))) {
+
+ /*
+ * <kabi_> since we make check - device seems unused - we try
+ * ioctl to deactivate - and device is found to be opened
+ * <kay> sure, you try to take a write lock
+ * <kay> if you get it udev is out
+ * <kay> if you can't get it, udev is busy
+ * <kabi_> we cannot deactivate openned device (as it is in-use)
+ * <kay> maybe we should just exclude dm from that thing entirely
+ * <kabi_> IMHO this sounds like a good plan for this moment
+ */
+ if (streq_ptr("block", udev_device_get_subsystem(dev)) &&
+ !startswith("dm-", udev_device_get_sysname(dev))) {
struct udev_device *d = dev;
if (streq_ptr("partition", udev_device_get_devtype(d)))