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authorJeff Layton <jlayton@redhat.com>2008-02-07 16:34:55 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2008-04-23 16:13:36 -0400
commitd751a7cd0695554498f25d3026ca6710dbb3698f (patch)
tree31ec617dfb9fb70160bb8d2d9c9fd2e5c1e50c15 /fs/lockd/svclock.c
parent7086721f9c8b59331e164e534f588e075cfd9d3f (diff)
downloadop-kernel-dev-d751a7cd0695554498f25d3026ca6710dbb3698f.zip
op-kernel-dev-d751a7cd0695554498f25d3026ca6710dbb3698f.tar.gz
NLM: Convert lockd to use kthreads
Have lockd_up start lockd using kthread_run. With this change, lockd_down now blocks until lockd actually exits, so there's no longer need for the waitqueue code at the end of lockd_down. This also means that only one lockd can be running at a time which simplifies the code within lockd's main loop. This also adds a check for kthread_should_stop in the main loop of nlmsvc_retry_blocked and after that function returns. There's no sense continuing to retry blocks if lockd is coming down anyway. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/lockd/svclock.c')
-rw-r--r--fs/lockd/svclock.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index fe9bdb4..4da7c4c 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -29,6 +29,7 @@
#include <linux/sunrpc/svc.h>
#include <linux/lockd/nlm.h>
#include <linux/lockd/lockd.h>
+#include <linux/kthread.h>
#define NLMDBG_FACILITY NLMDBG_SVCLOCK
@@ -887,7 +888,7 @@ nlmsvc_retry_blocked(void)
unsigned long timeout = MAX_SCHEDULE_TIMEOUT;
struct nlm_block *block;
- while (!list_empty(&nlm_blocked)) {
+ while (!list_empty(&nlm_blocked) && !kthread_should_stop()) {
block = list_entry(nlm_blocked.next, struct nlm_block, b_list);
if (block->b_when == NLM_NEVER)
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