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-rw-r--r--fs/nfs/nfs4proc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index c52f72c..dbfc757 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5784,6 +5784,7 @@ struct nfs4_unlockdata {
struct nfs_locku_res res;
struct nfs4_lock_state *lsp;
struct nfs_open_context *ctx;
+ struct nfs_lock_context *l_ctx;
struct file_lock fl;
struct nfs_server *server;
unsigned long timestamp;
@@ -5808,6 +5809,7 @@ static struct nfs4_unlockdata *nfs4_alloc_unlockdata(struct file_lock *fl,
atomic_inc(&lsp->ls_count);
/* Ensure we don't close file until we're done freeing locks! */
p->ctx = get_nfs_open_context(ctx);
+ p->l_ctx = nfs_get_lock_context(ctx);
memcpy(&p->fl, fl, sizeof(p->fl));
p->server = NFS_SERVER(inode);
return p;
@@ -5818,6 +5820,7 @@ static void nfs4_locku_release_calldata(void *data)
struct nfs4_unlockdata *calldata = data;
nfs_free_seqid(calldata->arg.seqid);
nfs4_put_lock_state(calldata->lsp);
+ nfs_put_lock_context(calldata->l_ctx);
put_nfs_open_context(calldata->ctx);
kfree(calldata);
}
@@ -5859,6 +5862,10 @@ static void nfs4_locku_prepare(struct rpc_task *task, void *data)
{
struct nfs4_unlockdata *calldata = data;
+ if (test_bit(NFS_CONTEXT_UNLOCK, &calldata->l_ctx->open_context->flags) &&
+ nfs_async_iocounter_wait(task, calldata->l_ctx))
+ return;
+
if (nfs_wait_on_sequence(calldata->arg.seqid, task) != 0)
goto out_wait;
nfs4_stateid_copy(&calldata->arg.stateid, &calldata->lsp->ls_stateid);
@@ -5910,6 +5917,8 @@ static struct rpc_task *nfs4_do_unlck(struct file_lock *fl,
* canceled lock is passed in, and it won't be an unlock.
*/
fl->fl_type = F_UNLCK;
+ if (fl->fl_flags & FL_CLOSE)
+ set_bit(NFS_CONTEXT_UNLOCK, &ctx->flags);
data = nfs4_alloc_unlockdata(fl, ctx, lsp, seqid);
if (data == NULL) {
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