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-rw-r--r--include/linux/nfs_page.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 50856e9c1e5..eac30d6bec1 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -28,6 +28,7 @@ enum {
PG_NEED_COMMIT,
PG_NEED_RESCHED,
PG_PARTIAL_READ_FAILED,
+ PG_COMMIT_TO_DS,
};
struct nfs_inode;
@@ -104,6 +105,16 @@ nfs_lock_request_dontget(struct nfs_page *req)
return !test_and_set_bit(PG_BUSY, &req->wb_flags);
}
+static inline int
+nfs_lock_request(struct nfs_page *req)
+{
+ if (test_and_set_bit(PG_BUSY, &req->wb_flags))
+ return 0;
+ kref_get(&req->wb_kref);
+ return 1;
+}
+
+
/**
* nfs_list_add_request - Insert a request into a list
* @req: request