Commit 38e1b257 authored by Mike Snitzer's avatar Mike Snitzer Committed by Alasdair G Kergon
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dm: error return error for discards 



Have the error target respond to a discard request with a hard -EIO
rather than fail the request with -EOPNOTSUPP.

Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent 3fd5d480

drivers/md/dm-target.c

+5 −0
Original line number Diff line number Diff line
@@ -113,6 +113,11 @@ void dm_unregister_target(struct target_type *tt) 
 */

static int io_err_ctr(struct dm_target *tt, unsigned int argc, char **args)

{

	/*

	 * Return error for discards instead of -EOPNOTSUPP

	 */

	tt->num_discard_requests = 1;



	return 0;

}