bsd/vfs/vfs_lookup.c

141  *		call lookup to search path.
151  *		lookup:EBADF		Bad file descriptor
152  *		lookup:EROFS
153  *		lookup:EACCES
154  *		lookup:EPERM
155  *		lookup:ERECYCLE	 vnode was recycled from underneath us in lookup.
156  *						 This means we should re-drive lookup from this point.
157  *		lookup: ???
208 				panic("We need to keep going on a continued lookup, but for vp type %d (tag %d)\n", ndp->ni_vp->v_type, ndp->ni_vp->v_tag);
352 		if ( (error = lookup(ndp)) ) {
373 	 * up in the lookup routine
389 		/* vnode was recycled underneath us. re-drive lookup to start at
390 		   the beginning again, since recycling invalidated last lookup*/
502 			/* Make sure our lookup of "/..namedfork/rsrc" is allowed. */
651 	 * Deny namei/lookup requests to resolve paths that point to shadow files.
653 	 * directly, and not use lookup/namei
795 		panic("lookup: SAVESTART");
823  * Overall outline of lookup:
845  *		cache_lookup_path:ERECYCLE  (vnode was recycled from underneath us, redrive lookup again)
858 lookup(struct nameidata *ndp)
865 	int rdonly;			/* lookup read-only flag bit */
1012 	 * Now that we've authorized a lookup, can bail out if the filesystem
1104 		 * a ref on dp until we complete the next round of lookup.
1214 			 * pathname, and it's either not a lookup operation
1280  * at which to start a lookup with a resolved path, and all other iocounts dropped.
1370 	 * get rid of references returned via 'lookup'
1397  * relookup - lookup a path name component
1398  *    Used by lookup to re-aquire things.
1405 	int rdonly;			/* lookup read-only flag bit */
1448 			panic("lookup: SAVESTART");
1564  * force some padding?  For example, a lookup for /foo_bar_baz/spam that
1732 	 * to perform the lookup... i.e. if we're allowing and using the legacy pattern,
1733 	 * where we did a full lookup.
1740 	 * If we're going to continue the lookup, we'll handle
1741 	 * all lookup-related updates at that time.
1766 	 * If you created (whether you opened or not), cut a lookup tracepoint