1 #ifndef __VFS_VNODE_H__ 2 #define __VFS_VNODE_H__ 3 4 EXTERN struct vnode { 5 endpoint_t v_fs_e; /* FS process' endpoint number */ 6 endpoint_t v_mapfs_e; /* mapped FS process' endpoint number */ 7 ino_t v_inode_nr; /* inode number on its (minor) device */ 8 ino_t v_mapinode_nr; /* mapped inode number of mapped FS. */ 9 mode_t v_mode; /* file type, protection, etc. */ 10 uid_t v_uid; /* uid of inode. */ 11 gid_t v_gid; /* gid of inode. */ 12 off_t v_size; /* current file size in bytes */ 13 int v_ref_count; /* # times vnode used; 0 means slot is free */ 14 int v_fs_count; /* # reference at the underlying FS */ 15 int v_mapfs_count; /* # reference at the underlying mapped FS */ 16 endpoint_t v_bfs_e; /* endpoint number for the FS proces in case 17 of a block special file */ 18 dev_t v_dev; /* device number on which the corresponding 19 inode resides */ 20 dev_t v_sdev; /* device number for special files */ 21 struct vmnt *v_vmnt; /* vmnt object of the partition */ 22 tll_t v_lock; /* three-level-lock */ 23 } vnode[NR_VNODES]; 24 25 /* vnode lock types mapping */ 26 #define VNODE_NONE TLL_NONE /* used only for get_filp2 to avoid locking */ 27 #define VNODE_READ TLL_READ 28 #define VNODE_OPCL TLL_READSER 29 #define VNODE_WRITE TLL_WRITE 30 #endif 31