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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-02-01 12:18:22 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-02-01 12:52:23 -0500
commit16fb24252a8170799e7adf14d8fc31b817fcaf53 (patch)
tree25dee4880572810609ff9905707a75285dfe2770 /fs/lockd/clntproc.c
parent3c3b809e256c417847f1a96b2f9d9f66c7fcb02c (diff)
downloadop-kernel-dev-16fb24252a8170799e7adf14d8fc31b817fcaf53.zip
op-kernel-dev-16fb24252a8170799e7adf14d8fc31b817fcaf53.tar.gz
NLM: Fix arguments to NLM_CANCEL call
The OpenGroup docs state that the arguments "block", "exclusive" and "alock" must exactly match the arguments for the lock call that we are trying to cancel. Currently, "block" is always set to false, which is wrong. See bug# 5956 on bugzilla.kernel.org. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/lockd/clntproc.c')
-rw-r--r--fs/lockd/clntproc.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 1455240..b8ecfa1 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -28,6 +28,7 @@ static int nlmclnt_lock(struct nlm_rqst *, struct file_lock *);
static int nlmclnt_unlock(struct nlm_rqst *, struct file_lock *);
static int nlm_stat_to_errno(u32 stat);
static void nlmclnt_locks_init_private(struct file_lock *fl, struct nlm_host *host);
+static int nlmclnt_cancel(struct nlm_host *, int , struct file_lock *);
static const struct rpc_call_ops nlmclnt_unlock_ops;
static const struct rpc_call_ops nlmclnt_cancel_ops;
@@ -598,7 +599,7 @@ out_unblock:
nlmclnt_finish_block(req);
/* Cancel the blocked request if it is still pending */
if (resp->status == NLM_LCK_BLOCKED)
- nlmclnt_cancel(host, fl);
+ nlmclnt_cancel(host, req->a_args.block, fl);
out:
nlmclnt_release_lockargs(req);
return status;
@@ -728,8 +729,7 @@ static const struct rpc_call_ops nlmclnt_unlock_ops = {
* We always use an async RPC call for this in order not to hang a
* process that has been Ctrl-C'ed.
*/
-int
-nlmclnt_cancel(struct nlm_host *host, struct file_lock *fl)
+static int nlmclnt_cancel(struct nlm_host *host, int block, struct file_lock *fl)
{
struct nlm_rqst *req;
unsigned long flags;
@@ -750,6 +750,7 @@ nlmclnt_cancel(struct nlm_host *host, struct file_lock *fl)
req->a_flags = RPC_TASK_ASYNC;
nlmclnt_setlockargs(req, fl);
+ req->a_args.block = block;
status = nlmclnt_async_call(req, NLMPROC_CANCEL, &nlmclnt_cancel_ops);
if (status < 0) {
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