#ifndef __VFS_CONST_H__ #define __VFS_CONST_H__ /* Tables sizes */ #define NR_FILPS 1024 /* # slots in filp table */ #define NR_LOCKS 8 /* # slots in the file locking table */ #define NR_MNTS 16 /* # slots in mount table */ #define NR_VNODES 1024 /* # slots in vnode table */ #define NR_WTHREADS 9 /* # slots in worker thread table */ #define NR_NONEDEVS NR_MNTS /* # slots in nonedev bitmap */ /* Miscellaneous constants */ #define SU_UID ((uid_t) 0) /* super_user's uid_t */ #define SYS_UID ((uid_t) 0) /* uid_t for system processes and INIT */ #define SYS_GID ((gid_t) 0) /* gid_t for system processes and INIT */ #define FP_BLOCKED_ON_NONE 0 /* not blocked */ #define FP_BLOCKED_ON_PIPE 1 /* susp'd on pipe */ #define FP_BLOCKED_ON_LOCK 2 /* susp'd on lock */ #define FP_BLOCKED_ON_POPEN 3 /* susp'd on pipe open */ #define FP_BLOCKED_ON_SELECT 4 /* susp'd on select */ #define FP_BLOCKED_ON_OTHER 5 /* blocked on other process, check fp_task to find out */ /* test if the process is blocked on something */ #define fp_is_blocked(fp) ((fp)->fp_blocked_on != FP_BLOCKED_ON_NONE) /* test if reply is a driver reply */ #define IS_DRV_REPLY(x) (IS_DEV_RS(x) || IS_BDEV_RS(x)) #define DUP_MASK 0100 /* mask to distinguish dup2 from dup */ #define LOOK_UP 0 /* tells search_dir to lookup string */ #define ENTER 1 /* tells search_dir to make dir entry */ #define DELETE 2 /* tells search_dir to delete entry */ #define IS_EMPTY 3 /* tells search_dir to ret. OK or ENOTEMPTY */ #define SYMLOOP 16 #define LABEL_MAX 16 /* maximum label size (including '\0'). Should * not be smaller than 16 or bigger than * M3_LONG_STRING. */ #define FSTYPE_MAX VFS_NAMELEN /* maximum file system type size */ #endif