From: Shantonu Sen <ssen@apple.com>
Date: Tue, 3 Feb 2004 05:10:24 +0000 (+0000)
Subject: darwin-avoid-hang-on-rename-20040202
X-Git-Tag: openafs-devel-1_3_60~103
X-Git-Url: https://git.openafs.org/?p=openafs.git;a=commitdiff_plain;h=43118d9396d26adf107530d49b60245b756d7455;hp=bb236704d338312192c155f83cd5584d2184d951

darwin-avoid-hang-on-rename-20040202

FIXES 2967

this version deals with afs being multiply mounted.
return EXDEV on cross device rename attempts as upper layer doesn't deal for us
---

diff --git a/src/afs/DARWIN/osi_vnodeops.c b/src/afs/DARWIN/osi_vnodeops.c
index d51c10c..61693c7 100644
--- a/src/afs/DARWIN/osi_vnodeops.c
+++ b/src/afs/DARWIN/osi_vnodeops.c
@@ -899,6 +899,15 @@ afs_vop_rename(ap)
     register struct vnode *fdvp = ap->a_fdvp;
     struct proc *p = fcnp->cn_proc;
 
+	/* Check for cross-device rename.
+	 * For AFS, this means anything not in AFS-space
+	 */
+	if ((0 != strcmp(tdvp->v_mount->mnt_stat.f_fstypename, "afs")) ||
+		(tvp && (0 != strcmp(tvp->v_mount->mnt_stat.f_fstypename, "afs")))) {
+			error = EXDEV;
+			goto abortit;
+	}
+
     /*
      * if fvp == tvp, we're just removing one name of a pair of
      * directory entries for the same element.  convert call into rename.