fs/nfsd/vfs.c

385 nfsd_sanitize_attrs(struct inode *inode, struct iattr *iap)
389 		iap->ia_valid &= ~ATTR_MODE;
392 	if (iap->ia_valid & ATTR_MODE) {
393 		iap->ia_mode &= S_IALLUGO;
394 		iap->ia_mode |= (inode->i_mode & ~S_IALLUGO);
399 	    ((iap->ia_valid & ATTR_UID) || (iap->ia_valid & ATTR_GID))) {
400 		iap->ia_valid |= ATTR_KILL_PRIV;
401 		if (iap->ia_valid & ATTR_MODE) {
403 			iap->ia_mode &= ~S_ISUID;
404 			if (iap->ia_mode & S_IXGRP)
405 				iap->ia_mode &= ~S_ISGID;
408 			iap->ia_valid |= ATTR_KILL_SUID;
409 			iap->ia_valid |=
417 		struct iattr *iap)
421 	if (iap->ia_size < inode->i_size) {
432 static int __nfsd_setattr(struct dentry *dentry, struct iattr *iap)
436 	if (iap->ia_valid & ATTR_SIZE) {
446 			.ia_size	= iap->ia_size,
449 		if (iap->ia_size < 0)
455 		iap->ia_valid &= ~ATTR_SIZE;
462 		if ((iap->ia_valid & ~ATTR_MTIME) == 0)
466 	if (!iap->ia_valid)
469 	iap->ia_valid |= ATTR_CTIME;
470 	return notify_change(&nop_mnt_idmap, dentry, iap, NULL);
493 	struct iattr	*iap = attr->na_iattr;
499 	bool		size_change = (iap->ia_valid & ATTR_SIZE);
502 	if (iap->ia_valid & ATTR_SIZE) {
514 	if (iap->ia_valid & (ATTR_ATIME | ATTR_MTIME)) {
516 		if (!(iap->ia_valid & (ATTR_ATIME_SET | ATTR_MTIME_SET)))
536 	nfsd_sanitize_attrs(inode, iap);
546 		err = nfsd_get_write_access(rqstp, fhp, iap);
570 		 * @iap unsuitable for submission multiple times. Make a
573 		attrs = *iap;
1405 	struct iattr *iap = attrs->na_iattr;
1411 	iap->ia_valid &= ~ATTR_MODE;
1419 		iap->ia_valid &= ~(ATTR_UID|ATTR_GID);
1425 	if (iap->ia_valid)
1456 nfsd_check_ignore_resizing(struct iattr *iap)
1458 	if ((iap->ia_valid & ATTR_SIZE) && (iap->ia_size == 0))
1459 		iap->ia_valid &= ~ATTR_SIZE;
1470 	struct iattr	*iap = attrs->na_iattr;
1482 	if (!(iap->ia_valid & ATTR_MODE))
1483 		iap->ia_mode = 0;
1484 	iap->ia_mode = (iap->ia_mode & S_IALLUGO) | type;
1487 		iap->ia_mode &= ~current_umask();
1493 				      iap->ia_mode, true);
1495 			nfsd_check_ignore_resizing(iap);
1498 		host_err = vfs_mkdir(&nop_mnt_idmap, dirp, dchild, iap->ia_mode);
1527 				     iap->ia_mode, rdev);