From: Etienne Dechamps <e-t172@akegroup.org>
Date: Sat, 1 Sep 2012 13:02:25 +0000 (+0200)
Subject: Add DKIOCTRIM for TRIM support.
X-Git-Tag: spl-0.6.0-rc11~8
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ac8ca67a88bdb8be08456785116a8824fba735df;p=spl

Add DKIOCTRIM for TRIM support.

See dechamps/zfs@cc6cd40ad71e1e611591929ad08184516357eaf5 for details.

This harmless addition was merged to simplify testing the ZFS TRIM
support patches.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #167
---

diff --git a/include/sys/dkio.h b/include/sys/dkio.h
index 0659e90..591fbf5 100644
--- a/include/sys/dkio.h
+++ b/include/sys/dkio.h
@@ -33,5 +33,6 @@ struct dk_callback {
 
 #define	DKIOC			(0x04 << 8)
 #define	DKIOCFLUSHWRITECACHE	(DKIOC | 34)
+#define	DKIOCTRIM		(DKIOC | 35)
 
 #endif /* _SPL_DKIO_H */