diff options
Diffstat (limited to 'fs/nilfs2/ioctl.c')
| -rw-r--r-- | fs/nilfs2/ioctl.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index 3aad6413aba4..d89173edd7fe 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -26,6 +26,7 @@ #include <linux/capability.h> /* capable() */ #include <linux/uaccess.h> /* copy_from_user(), copy_to_user() */ #include <linux/vmalloc.h> +#include <linux/compat.h> /* compat_ptr() */ #include <linux/mount.h> /* mnt_want_write(), mnt_drop_write() */ #include <linux/nilfs2_fs.h> #include "nilfs.h" @@ -766,3 +767,23 @@ long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) return -ENOTTY; } } + +#ifdef CONFIG_COMPAT +long nilfs_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + switch (cmd) { + case FS_IOC32_GETFLAGS: + cmd = FS_IOC_GETFLAGS; + break; + case FS_IOC32_SETFLAGS: + cmd = FS_IOC_SETFLAGS; + break; + case FS_IOC32_GETVERSION: + cmd = FS_IOC_GETVERSION; + break; + default: + return -ENOIOCTLCMD; + } + return nilfs_ioctl(filp, cmd, (unsigned long)compat_ptr(arg)); +} +#endif |