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-rw-r--r--fs/nfs/pagelist.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index a3654e57b589..137b549e63db 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -65,6 +65,13 @@ nfs_create_request(struct nfs_open_context *ctx, struct inode *inode,
if (req == NULL)
return ERR_PTR(-ENOMEM);
+ /* get lock context early so we can deal with alloc failures */
+ req->wb_lock_context = nfs_get_lock_context(ctx);
+ if (req->wb_lock_context == NULL) {
+ nfs_page_free(req);
+ return ERR_PTR(-ENOMEM);
+ }
+
/* Initialize the request struct. Initially, we assume a
* long write-back delay. This will be adjusted in
* update_nfs_request below if the region is not locked. */
@@ -141,11 +148,16 @@ void nfs_clear_request(struct nfs_page *req)
{
struct page *page = req->wb_page;
struct nfs_open_context *ctx = req->wb_context;
+ struct nfs_lock_context *l_ctx = req->wb_lock_context;
if (page != NULL) {
page_cache_release(page);
req->wb_page = NULL;
}
+ if (l_ctx != NULL) {
+ nfs_put_lock_context(l_ctx);
+ req->wb_lock_context = NULL;
+ }
if (ctx != NULL) {
put_nfs_open_context(ctx);
req->wb_context = NULL;
@@ -235,7 +247,7 @@ static int nfs_can_coalesce_requests(struct nfs_page *prev,
{
if (req->wb_context->cred != prev->wb_context->cred)
return 0;
- if (req->wb_context->lockowner != prev->wb_context->lockowner)
+ if (req->wb_lock_context->lockowner != prev->wb_lock_context->lockowner)
return 0;
if (req->wb_context->state != prev->wb_context->state)
return 0;