Author: jamie
Date: Mon Apr 25 03:58:08 2016
New Revision: 298564
URL: https://svnweb.freebsd.org/changeset/base/298564
Log:
Remove the PR_REMOVE flag, which was meant as a temporary marker for
a jail that might be seen mid-removal. It hasn't been doing the right
thing since at least the ability to resurrect dying jails, and such
resurrection also makes it unnecessary.
Modified:
head/sys/kern/kern_jail.c
head/sys/sys/jail.h
Modified: head/sys/kern/kern_jail.c
==============================================================================
--- head/sys/kern/kern_jail.c Mon Apr 25 03:48:28 2016 (r298563)
+++ head/sys/kern/kern_jail.c Mon Apr 25 03:58:08 2016 (r298564)
@@ -1222,7 +1222,7 @@ kern_jail_set(struct thread *td, struct
}
created = 1;
mtx_lock(&ppr->pr_mtx);
- if (ppr->pr_ref == 0 || (ppr->pr_flags & PR_REMOVE)) {
+ if (ppr->pr_ref == 0) {
mtx_unlock(&ppr->pr_mtx);
error = ENOENT;
vfs_opterror(opts, "parent jail went away!");
@@ -2273,7 +2273,6 @@ sys_jail_remove(struct thread *td, struc
/* Remove all descendants of this prison, then remove this prison. */
pr->pr_ref++;
- pr->pr_flags |= PR_REMOVE;
if (!LIST_EMPTY(&pr->pr_children)) {
mtx_unlock(&pr->pr_mtx);
lpr = NULL;
@@ -2282,7 +2281,6 @@ sys_jail_remove(struct thread *td, struc
if (cpr->pr_ref > 0) {
tpr = cpr;
cpr->pr_ref++;
- cpr->pr_flags |= PR_REMOVE;
} else {
/* Already removed - do not do it again. */
tpr = NULL;
Modified: head/sys/sys/jail.h
==============================================================================
--- head/sys/sys/jail.h Mon Apr 25 03:48:28 2016 (r298563)
+++ head/sys/sys/jail.h Mon Apr 25 03:58:08 2016 (r298564)
@@ -210,7 +210,6 @@ struct prison_racct {
/* primary jail address. */
/* Internal flag bits */
-#define PR_REMOVE 0x01000000 /* In process of being removed
*/
#define PR_IP4 0x02000000 /* IPv4 restricted or disabled
*/
/* by this jail or an ancestor */
#define PR_IP6 0x04000000 /* IPv6 restricted or disabled
*/
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