Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=586d232b191b776a1c6d51c10c662b8b3e238fdf
Commit: 586d232b191b776a1c6d51c10c662b8b3e238fdf
Parent: 40caf5ea5a7d47f8a33e26b63ca81dea4b5109d2
Author: Mark Fasheh <[EMAIL PROTECTED]>
AuthorDate: Fri Mar 9 15:56:28 2007 -0800
Committer: Mark Fasheh <[EMAIL PROTECTED]>
CommitDate: Wed May 2 15:07:16 2007 -0700
ocfs2: Implement compat_ioctl()
We need this to support 32 bit system calls on 64 bit kernels.
Signed-off-by: Mark Fasheh <[EMAIL PROTECTED]>
---
fs/ocfs2/file.c | 6 ++++++
fs/ocfs2/ioctl.c | 23 +++++++++++++++++++++++
fs/ocfs2/ioctl.h | 1 +
fs/ocfs2/ocfs2_fs.h | 2 ++
4 files changed, 32 insertions(+), 0 deletions(-)
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 520a2a6..3b5a157 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1853,6 +1853,9 @@ const struct file_operations ocfs2_fops = {
.aio_read = ocfs2_file_aio_read,
.aio_write = ocfs2_file_aio_write,
.ioctl = ocfs2_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = ocfs2_compat_ioctl,
+#endif
.splice_read = ocfs2_file_splice_read,
.splice_write = ocfs2_file_splice_write,
};
@@ -1862,4 +1865,7 @@ const struct file_operations ocfs2_dops = {
.readdir = ocfs2_readdir,
.fsync = ocfs2_sync_file,
.ioctl = ocfs2_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = ocfs2_compat_ioctl,
+#endif
};
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index 4768be5..7e59c93 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -134,3 +134,26 @@ int ocfs2_ioctl(struct inode * inode, struct file * filp,
}
}
+#ifdef CONFIG_COMPAT
+long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg)
+{
+ struct inode *inode = file->f_path.dentry->d_inode;
+ int ret;
+
+ switch (cmd) {
+ case OCFS2_IOC32_GETFLAGS:
+ cmd = OCFS2_IOC_GETFLAGS;
+ break;
+ case OCFS2_IOC32_SETFLAGS:
+ cmd = OCFS2_IOC_SETFLAGS;
+ break;
+ default:
+ return -ENOIOCTLCMD;
+ }
+
+ lock_kernel();
+ ret = ocfs2_ioctl(inode, file, cmd, arg);
+ unlock_kernel();
+ return ret;
+}
+#endif
diff --git a/fs/ocfs2/ioctl.h b/fs/ocfs2/ioctl.h
index 4a7c829..4d6c4f4 100644
--- a/fs/ocfs2/ioctl.h
+++ b/fs/ocfs2/ioctl.h
@@ -12,5 +12,6 @@
int ocfs2_ioctl(struct inode * inode, struct file * filp,
unsigned int cmd, unsigned long arg);
+long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg);
#endif /* OCFS2_IOCTL_H */
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index 7130647..f0d9eb0 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -166,6 +166,8 @@
*/
#define OCFS2_IOC_GETFLAGS _IOR('f', 1, long)
#define OCFS2_IOC_SETFLAGS _IOW('f', 2, long)
+#define OCFS2_IOC32_GETFLAGS _IOR('f', 1, int)
+#define OCFS2_IOC32_SETFLAGS _IOW('f', 2, int)
/*
* Journal Flags (ocfs2_dinode.id1.journal1.i_flags)
-
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