diff options
Diffstat (limited to 'fs/compat_ioctl.c')
| -rw-r--r-- | fs/compat_ioctl.c | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index a7ec2d3dff92..62e530814cef 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -480,11 +480,14 @@ struct space_resv_32 { __s32 l_pad[4]; /* reserve area */ }; -#define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32) +#define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32) +#define FS_IOC_UNRESVSP_32 _IOW ('X', 41, struct space_resv_32) #define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32) +#define FS_IOC_UNRESVSP64_32 _IOW ('X', 43, struct space_resv_32) +#define FS_IOC_ZERO_RANGE_32 _IOW ('X', 57, struct space_resv_32) /* just account for different alignment */ -static int compat_ioctl_preallocate(struct file *file, +static int compat_ioctl_preallocate(struct file *file, int mode, struct space_resv_32 __user *p32) { struct space_resv __user *p = compat_alloc_user_space(sizeof(*p)); @@ -498,7 +501,7 @@ static int compat_ioctl_preallocate(struct file *file, copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32))) return -EFAULT; - return ioctl_preallocate(file, p); + return ioctl_preallocate(file, mode, p); } #endif @@ -1022,12 +1025,30 @@ COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd, #if defined(CONFIG_IA64) || defined(CONFIG_X86_64) case FS_IOC_RESVSP_32: case FS_IOC_RESVSP64_32: - error = compat_ioctl_preallocate(f.file, compat_ptr(arg)); + error = compat_ioctl_preallocate(f.file, 0, compat_ptr(arg)); + goto out_fput; + case FS_IOC_UNRESVSP_32: + case FS_IOC_UNRESVSP64_32: + error = compat_ioctl_preallocate(f.file, FALLOC_FL_PUNCH_HOLE, + compat_ptr(arg)); + goto out_fput; + case FS_IOC_ZERO_RANGE_32: + error = compat_ioctl_preallocate(f.file, FALLOC_FL_ZERO_RANGE, + compat_ptr(arg)); goto out_fput; #else case FS_IOC_RESVSP: case FS_IOC_RESVSP64: - error = ioctl_preallocate(f.file, compat_ptr(arg)); + error = ioctl_preallocate(f.file, 0, compat_ptr(arg)); + goto out_fput; + case FS_IOC_UNRESVSP: + case FS_IOC_UNRESVSP64: + error = ioctl_preallocate(f.file, FALLOC_FL_PUNCH_HOLE, + compat_ptr(arg)); + goto out_fput; + case FS_IOC_ZERO_RANGE: + error = ioctl_preallocate(f.file, FALLOC_FL_ZERO_RANGE, + compat_ptr(arg)); goto out_fput; #endif |