diff options
| -rw-r--r-- | sys/miscfs/procfs/procfs_subr.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/sys/miscfs/procfs/procfs_subr.c b/sys/miscfs/procfs/procfs_subr.c index fb36b3432bb..2acb3f4e704 100644 --- a/sys/miscfs/procfs/procfs_subr.c +++ b/sys/miscfs/procfs/procfs_subr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: procfs_subr.c,v 1.28 2007/12/09 21:34:32 hshoexer Exp $ */ +/* $OpenBSD: procfs_subr.c,v 1.29 2009/04/02 18:43:08 oga Exp $ */ /* $NetBSD: procfs_subr.c,v 1.15 1996/02/12 15:01:42 christos Exp $ */ /* @@ -40,6 +40,7 @@ #include <sys/systm.h> #include <sys/time.h> #include <sys/kernel.h> +#include <sys/rwlock.h> #include <sys/proc.h> #include <sys/vnode.h> #include <sys/malloc.h> @@ -49,13 +50,12 @@ #include <miscfs/procfs/procfs.h> static TAILQ_HEAD(, pfsnode) pfshead; -struct lock pfs_vlock; +struct rwlock pfs_vlock = RWLOCK_INITIALIZER("procfsl"); /*ARGSUSED*/ int procfs_init(struct vfsconf *vfsp) { - lockinit(&pfs_vlock, PVFS, "procfsl", 0, 0); TAILQ_INIT(&pfshead); return (0); } @@ -97,9 +97,7 @@ procfs_allocvp(struct mount *mp, struct vnode **vpp, pid_t pid, pfstype pfs_type /* * Lock the vp list, getnewvnode can sleep. */ - error = lockmgr(&pfs_vlock, LK_EXCLUSIVE, NULL); - if (error) - return (error); + rw_enter_write(&pfs_vlock); loop: TAILQ_FOREACH(pfs, &pfshead, list) { vp = PFSTOV(pfs); @@ -175,7 +173,7 @@ loop: TAILQ_INSERT_TAIL(&pfshead, pfs, list); uvm_vnp_setsize(vp, 0); out: - lockmgr(&pfs_vlock, LK_RELEASE, NULL); + rw_exit_write(&pfs_vlock); return (error); } |