int _xfs_ioctl( struct vop_ioctl_args /* { struct vnode *a_vp; u_long a_command; caddr_t a_data; int fflag; struct ucred *cred; struct thread *a_td; } */ *ap) { /* struct vnode *vp = ap->a_vp; */ /* struct thread *p = ap->a_td; */ /* struct file *fp; */ int error; xfs_vnode_t *xvp = VPTOXFSVP(ap->a_vp); printf("_xfs_ioctl cmd 0x%lx data %p\n",ap->a_command,ap->a_data); // XVOP_IOCTL(xvp,(void *)NULL,(void *)NULL,ap->a_fflag,ap->a_command,ap->a_data,error); error = xfs_ioctl(xvp->v_bh.bh_first,NULL,NULL,ap->a_fflag,ap->a_command,ap->a_data); return error; }
STATIC long xfs_file_ioctl_invis( struct file *filp, unsigned int cmd, unsigned long p) { int error; struct inode *inode = filp->f_path.dentry->d_inode; error = xfs_ioctl(XFS_I(inode), filp, IO_INVIS, cmd, (void __user *)p); xfs_iflags_set(XFS_I(inode), XFS_IMODIFIED); /* NOTE: some of the ioctl's return positive #'s as a * byte count indicating success, such as * readlink_by_handle. So we don't "sign flip" * like most other routines. This means true * errors need to be returned as a negative value. */ return error; }
STATIC long xfs_compat_ioctl( int mode, struct file *file, unsigned cmd, unsigned long arg) { struct inode *inode = file->f_path.dentry->d_inode; int error; switch (cmd) { case XFS_IOC_DIOINFO: case XFS_IOC_FSGEOMETRY: case XFS_IOC_GETVERSION: case XFS_IOC_GETXFLAGS: case XFS_IOC_SETXFLAGS: case XFS_IOC_FSGETXATTR: case XFS_IOC_FSSETXATTR: case XFS_IOC_FSGETXATTRA: case XFS_IOC_FSSETDM: case XFS_IOC_GETBMAP: case XFS_IOC_GETBMAPA: case XFS_IOC_GETBMAPX: /* not handled case XFS_IOC_FSSETDM_BY_HANDLE: case XFS_IOC_ATTRLIST_BY_HANDLE: case XFS_IOC_ATTRMULTI_BY_HANDLE: */ case XFS_IOC_FSCOUNTS: case XFS_IOC_SET_RESBLKS: case XFS_IOC_GET_RESBLKS: case XFS_IOC_FSGROWFSDATA: case XFS_IOC_FSGROWFSLOG: case XFS_IOC_FSGROWFSRT: case XFS_IOC_FREEZE: case XFS_IOC_THAW: case XFS_IOC_GOINGDOWN: case XFS_IOC_ERROR_INJECTION: case XFS_IOC_ERROR_CLEARALL: break; #ifdef BROKEN_X86_ALIGNMENT /* xfs_flock_t has wrong u32 vs u64 alignment */ case XFS_IOC_ALLOCSP_32: case XFS_IOC_FREESP_32: case XFS_IOC_ALLOCSP64_32: case XFS_IOC_FREESP64_32: case XFS_IOC_RESVSP_32: case XFS_IOC_UNRESVSP_32: case XFS_IOC_RESVSP64_32: case XFS_IOC_UNRESVSP64_32: arg = xfs_ioctl32_flock(arg); cmd = _NATIVE_IOC(cmd, struct xfs_flock64); break; case XFS_IOC_FSGEOMETRY_V1_32: arg = xfs_ioctl32_geom_v1(arg); cmd = _NATIVE_IOC(cmd, struct xfs_fsop_geom_v1); break; #else /* These are handled fine if no alignment issues */ case XFS_IOC_ALLOCSP: case XFS_IOC_FREESP: case XFS_IOC_RESVSP: case XFS_IOC_UNRESVSP: case XFS_IOC_ALLOCSP64: case XFS_IOC_FREESP64: case XFS_IOC_RESVSP64: case XFS_IOC_UNRESVSP64: case XFS_IOC_FSGEOMETRY_V1: break; /* xfs_bstat_t still has wrong u32 vs u64 alignment */ case XFS_IOC_SWAPEXT: break; #endif case XFS_IOC_FSBULKSTAT_32: case XFS_IOC_FSBULKSTAT_SINGLE_32: case XFS_IOC_FSINUMBERS_32: cmd = _NATIVE_IOC(cmd, struct xfs_fsop_bulkreq); return xfs_ioc_bulkstat_compat(XFS_I(inode)->i_mount, cmd, (void __user*)arg); case XFS_IOC_FD_TO_HANDLE_32: case XFS_IOC_PATH_TO_HANDLE_32: case XFS_IOC_PATH_TO_FSHANDLE_32: case XFS_IOC_OPEN_BY_HANDLE_32: case XFS_IOC_READLINK_BY_HANDLE_32: arg = xfs_ioctl32_fshandle(arg); cmd = _NATIVE_IOC(cmd, struct xfs_fsop_handlereq); break; default: return -ENOIOCTLCMD; } error = xfs_ioctl(XFS_I(inode), file, mode, cmd, (void __user *)arg); xfs_iflags_set(XFS_I(inode), XFS_IMODIFIED); return error; }