linux-kernel - [PATCH] document ubiblk's usage of the same ioctl magic as a part of UBI

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Date:	Wed, 24 Aug 2011 18:21:56 +0200
From:	David Wagner <david.wagner@...e-electrons.com>
To:	linux-mtd <linux-mtd@...ts.infradead.org>
Cc:	Artem Bityutskiy <dedekind1@...il.com>,
	linux-embedded <linux-embedded@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Tim Bird <tim.bird@...sony.com>,
	David Woodhouse <dwmw2@...radead.org>,
	David Wagner <david.wagner@...e-electrons.com>
Subject: [PATCH] document ubiblk's usage of the same ioctl magic as a part of UBI

---
 include/mtd/ubi-user.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/mtd/ubi-user.h b/include/mtd/ubi-user.h
index 3c41097..7c8bfe3 100644
--- a/include/mtd/ubi-user.h
+++ b/include/mtd/ubi-user.h
@@ -188,6 +188,7 @@
 /* Set an UBI volume property */
 #define UBI_IOCSETVOLPROP _IOW(UBI_VOL_IOC_MAGIC, 6, \
 			       struct ubi_set_vol_prop_req)
+/* If you add ioctls here, please note that ubiblk uses 'O'/0x10-0x11 */
 
 /* Maximum MTD device name length supported by UBI */
 #define MAX_UBI_MTD_NAME_LEN 127
-- 
1.7.0.4

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