linux-ext4 - [PATCH 1/2] ext4: Conditionally define compat ioctl numbers

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Message-ID: <1274398223.2257.0.camel@localhost>
Date:	Fri, 21 May 2010 00:30:22 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Theodore Ts'o <tytso@....edu>, Andreas Dilger <adilger@....com>
Cc:	linux-ext4@...r.kernel.org
Subject: [PATCH 1/2] ext4: Conditionally define compat ioctl numbers

It is unnecessary, and in general impossible, to define the compat
ioctl numbers except when building the filesystem with CONFIG_COMPAT
defined.

Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 fs/ext4/ext4.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index bf938cf..f5c9941 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -398,6 +398,7 @@ struct ext4_new_group_data {
 #define EXT4_IOC_ALLOC_DA_BLKS		_IO('f', 12)
 #define EXT4_IOC_MOVE_EXT		_IOWR('f', 15, struct move_extent)
 
+#if defined(__KERNEL__) && defined(CONFIG_COMPAT)
 /*
  * ioctl commands in 32 bit emulation
  */
@@ -413,6 +414,7 @@ struct ext4_new_group_data {
 #endif
 #define EXT4_IOC32_GETVERSION_OLD	FS_IOC32_GETVERSION
 #define EXT4_IOC32_SETVERSION_OLD	FS_IOC32_SETVERSION
+#endif
 

 /*
-- 
1.7.1



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