orangefs: make sure that reopening pvfs2-req won't overlap with the end of close
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
diff --git a/fs/orangefs/devorangefs-req.c b/fs/orangefs/devorangefs-req.c
index dadeb38..92573d9 100644
--- a/fs/orangefs/devorangefs-req.c
+++ b/fs/orangefs/devorangefs-req.c
@@ -85,7 +85,7 @@
mutex_lock(&devreq_mutex);
if (open_access_count == 0) {
- open_access_count++;
+ open_access_count = 1;
ret = 0;
} else {
DUMP_DEVICE_ERROR();
@@ -533,12 +533,11 @@
if (orangefs_get_bufmap_init())
orangefs_bufmap_finalize();
- open_access_count--;
+ open_access_count = -1;
unmounted = mark_all_pending_mounts();
gossip_debug(GOSSIP_DEV_DEBUG, "ORANGEFS Device Close: Filesystem(s) %s\n",
(unmounted ? "UNMOUNTED" : "MOUNTED"));
- mutex_unlock(&devreq_mutex);
/*
* Walk through the list of ops in the request list, mark them
@@ -552,6 +551,8 @@
purge_inprogress_ops();
gossip_debug(GOSSIP_DEV_DEBUG,
"pvfs2-client-core: device close complete\n");
+ open_access_count = 0;
+ mutex_unlock(&devreq_mutex);
return 0;
}