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| author | Mark Fasheh <mark.fasheh@oracle.com> | 2007-03-10 00:56:28 +0100 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2007-05-03 00:07:16 +0200 |
| commit | 586d232b191b776a1c6d51c10c662b8b3e238fdf (patch) | |
| tree | 8963261875e046d405d6e23b7ee67ff7c03f5c91 /fs/ocfs2/ioctl.c | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/iee... (diff) | |
| download | linux-586d232b191b776a1c6d51c10c662b8b3e238fdf.tar.xz linux-586d232b191b776a1c6d51c10c662b8b3e238fdf.zip | |
ocfs2: Implement compat_ioctl()
We need this to support 32 bit system calls on 64 bit kernels.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/ioctl.c')
| -rw-r--r-- | fs/ocfs2/ioctl.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c index 4768be5f3086..7e59c93751f0 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 |