diff options
| -rw-r--r-- | fs/ocfs2/file.c | 6 | ||||
| -rw-r--r-- | fs/ocfs2/ioctl.c | 23 | ||||
| -rw-r--r-- | fs/ocfs2/ioctl.h | 1 | ||||
| -rw-r--r-- | 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 520a2a6d7670..3b5a1576ae10 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 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 diff --git a/fs/ocfs2/ioctl.h b/fs/ocfs2/ioctl.h index 4a7c82931dba..4d6c4f430d0d 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 71306479c68f..f0d9eb08547a 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) |
