[PATCH 1/4] fanotify: Shrink struct fanotify_event_metadata by 32 bits

From: Alexey Zaytsev <alexey.zaytsev@gmail.com>
To: Eric Paris <eparis@redhat.com>
Cc: Scott Hassan <hassan@dotfunk.com>, Jan Kara <jack@suse.cz>,
	agruen@linbit.com, linux-kernel@vger.kernel.org,
	stefan@buettcher.org, Al Viro <viro@zeniv.linux.org.uk>,
	linux-fsdevel@vger.kernel.org,
	Tvrtko Ursulin <tvrtko.ursulin@sophos.com>
Subject: [PATCH 1/4] fanotify: Shrink struct fanotify_event_metadata by 32 bits
Date: Mon, 22 Nov 2010 00:33:03 +0000	[thread overview]
Message-ID: <20101122003157.13674.42596.stgit@zaytsev.su> (raw)
In-Reply-To: <20101122002747.13674.69384.stgit@zaytsev.su>

And this saves additional 32 bits in the future

Signed-off-by: Alexey Zaytsev <alexey.zaytsev@gmail.com>
---
 include/linux/fanotify.h |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h
index 0f01214..9a7986f 100644
--- a/include/linux/fanotify.h
+++ b/include/linux/fanotify.h
@@ -86,10 +86,11 @@
 #define FANOTIFY_METADATA_VERSION	2
 
 struct fanotify_event_metadata {
-	__u32 event_len;
-	__u32 vers;
-	__aligned_u64 mask;
+	__u16 event_len;
+	__u8 vers;
+	__u8 reserved;
 	__s32 fd;
+	__aligned_u64 mask;
 	__s32 pid;
 };
 

