dm ioctl: forbid messages to devices being deleted
authorMike Anderson <andmike@linux.vnet.ibm.com>
Thu, 10 Dec 2009 23:52:20 +0000 (23:52 +0000)
committerAlasdair G Kergon <agk@redhat.com>
Thu, 10 Dec 2009 23:52:20 +0000 (23:52 +0000)
Once we begin deleting a device, prevent any further messages being sent
to targets of its table (to avoid races).

Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

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