[34-longterm 024/260] ext4: Conditionally define compat ioctl numbers

Paul Gortmaker
2011-01-02T08:11:38Z

From: Ben Hutchings <ben@decadent.org.uk>

commit 899ad0cea6ad7ff4ba24b16318edbc3cbbe03fad upstream.

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@decadent.org.uk>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
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 7fe80c5..0419018 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -475,6 +475,7 @@ 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
*/
@@ -490,6 +491,7 @@ struct ext4_new_group_data {
#endif
#define EXT4_IOC32_GETVERSION_OLD FS_IOC32_GETVERSION
#define EXT4_IOC32_SETVERSION_OLD FS_IOC32_SETVERSION
+#endif

/*
--
1.7.3.3