Attachment 8643 Details for Bug 18012 – file.diff

[patch] file.diff

file.diff (text/plain), 1.70 KB, created by Dave Chapeskie on 2000-04-14 19:50:00 UTC

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Creator: Dave Chapeskie

Created: 2000-04-14 19:50:00 UTC

Size: 1.70 KB

patch

obsolete

>diff -u -t -r1.253 vfs_subr.c
>--- kern/vfs_subr.c	2000/03/20 11:28:45	1.253
>+++ kern/vfs_subr.c	2000/04/14 18:01:52
>@@ -467,6 +467,8 @@
> 
>         for (vp = TAILQ_FIRST(&vnode_tobefree_list); vp; vp = nvp) {
>                 nvp = TAILQ_NEXT(vp, v_freelist);
>+                if (!simple_lock_try(&vp->v_interlock))
>+                        continue;
>                 TAILQ_REMOVE(&vnode_tobefree_list, vp, v_freelist);
>                 if (vp->v_flag & VAGE) {
>                         TAILQ_INSERT_HEAD(&vnode_free_list, vp, v_freelist);
>@@ -478,6 +480,7 @@
>                 if (vp->v_usecount)
>                         panic("tobe free vnode isn't");
>                 freevnodes++;
>+                simple_unlock(&tvp->v_interlock);
>         }
> 
>         if (wantfreevnodes && freevnodes < wantfreevnodes) {
>@@ -507,6 +510,10 @@
>                                 /* Don't recycle if active in the namecache */
>                                 simple_unlock(&vp->v_interlock);
>                                 continue;
>+                        } else if (VOP_ISLOCKED(vp))
>+                                TAILQ_REMOVE(&vnode_free_list, vp, v_freelist);
>+                                TAILQ_INSERT_TAIL(&vnode_tmp_list, vp, v_freelist);
>+                                continue;
>                         } else {
>                                 break;
>                         }
>@@ -2613,6 +2620,10 @@
>         int s;
> 
>         s = splbio();
>+        if (vp->v_flag & VDOOMED) {
>+                vprint("vbusy", vp);
>+                panic("vbusy on VDOOMED vnode");
>+        }
>         simple_lock(&vnode_free_list_slock);
>         if (vp->v_flag & VTBFREE) {
>                 TAILQ_REMOVE(&vnode_tobefree_list, vp, v_freelist);

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