space_resv 490 fs/compat_ioctl.c struct space_resv __user *p = compat_alloc_user_space(sizeof(*p)); space_resv 473 fs/ioctl.c struct space_resv sr; space_resv 22 include/linux/falloc.h #define FS_IOC_RESVSP _IOW('X', 40, struct space_resv) space_resv 23 include/linux/falloc.h #define FS_IOC_RESVSP64 _IOW('X', 42, struct space_resv)