diff options
Diffstat (limited to 'fs/ext3/ioctl.c')
| -rw-r--r-- | fs/ext3/ioctl.c | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/fs/ext3/ioctl.c b/fs/ext3/ioctl.c index 3a6b012d120..12daa686957 100644 --- a/fs/ext3/ioctl.c +++ b/fs/ext3/ioctl.c @@ -13,9 +13,10 @@ #include <linux/ext3_fs.h> #include <linux/ext3_jbd.h> #include <linux/time.h> +#include <linux/compat.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> - int ext3_ioctl (struct inode * inode, struct file * filp, unsigned int cmd, unsigned long arg) { @@ -252,3 +253,55 @@ flags_err: return -ENOTTY; } } + +#ifdef CONFIG_COMPAT +long ext3_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + struct inode *inode = file->f_dentry->d_inode; + int ret; + + /* These are just misnamed, they actually get/put from/to user an int */ + switch (cmd) { + case EXT3_IOC32_GETFLAGS: + cmd = EXT3_IOC_GETFLAGS; + break; + case EXT3_IOC32_SETFLAGS: + cmd = EXT3_IOC_SETFLAGS; + break; + case EXT3_IOC32_GETVERSION: + cmd = EXT3_IOC_GETVERSION; + break; + case EXT3_IOC32_SETVERSION: + cmd = EXT3_IOC_SETVERSION; + break; + case EXT3_IOC32_GROUP_EXTEND: + cmd = EXT3_IOC_GROUP_EXTEND; + break; + case EXT3_IOC32_GETVERSION_OLD: + cmd = EXT3_IOC_GETVERSION_OLD; + break; + case EXT3_IOC32_SETVERSION_OLD: + cmd = EXT3_IOC_SETVERSION_OLD; + break; +#ifdef CONFIG_JBD_DEBUG + case EXT3_IOC32_WAIT_FOR_READONLY: + cmd = EXT3_IOC_WAIT_FOR_READONLY; + break; +#endif + case EXT3_IOC32_GETRSVSZ: + cmd = EXT3_IOC_GETRSVSZ; + break; + case EXT3_IOC32_SETRSVSZ: + cmd = EXT3_IOC_SETRSVSZ; + break; + case EXT3_IOC_GROUP_ADD: + break; + default: + return -ENOIOCTLCMD; + } + lock_kernel(); + ret = ext3_ioctl(inode, file, cmd, (unsigned long) compat_ptr(arg)); + unlock_kernel(); + return ret; +} +#endif |