diff options
Diffstat (limited to 'usr/src/uts/common/fs/vnode.c')
| -rw-r--r-- | usr/src/uts/common/fs/vnode.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/usr/src/uts/common/fs/vnode.c b/usr/src/uts/common/fs/vnode.c index 3babdbecdb..e1359f47de 100644 --- a/usr/src/uts/common/fs/vnode.c +++ b/usr/src/uts/common/fs/vnode.c @@ -24,6 +24,7 @@ * Copyright 2020 Joyent, Inc. * Copyright 2016 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2011, 2017 by Delphix. All rights reserved. + * Copyright 2021 OmniOS Community Edition (OmniOSce) Association. */ /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ @@ -1165,7 +1166,20 @@ top: * Do remaining checks for FNOFOLLOW and FNOLINKS. */ if ((filemode & FNOFOLLOW) && vp->v_type == VLNK) { - error = ELOOP; + /* + * The __FLXPATH flag is a private interface for use by the lx + * brand in order to emulate open(O_NOFOLLOW|O_PATH) which, + * when a symbolic link is encountered, returns a file + * descriptor which references it. + * See uts/common/brand/lx/syscall/lx_open.c + * + * When this flag is set, VOP_OPEN() is not called (for a + * symlink, most filesystems will return ENOSYS anyway) + * and the link's vnode is returned to be linked to the + * file descriptor. + */ + if ((filemode & __FLXPATH) == 0) + error = ELOOP; goto out; } if (filemode & FNOLINKS) { |