pnfs: Add LAYOUTGET to OPEN of a new file
This triggers when have no pre-existing inode to attach to.
The preexisting case is saved for later.
Signed-off-by: Fred Isaman <fred.isaman@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 964a722..b110c09 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -35,6 +35,8 @@
#include <linux/nfs_page.h>
#include <linux/workqueue.h>
+struct nfs4_opendata;
+
enum {
NFS_LSEG_VALID = 0, /* cleared when lseg is recalled/returned */
NFS_LSEG_ROC, /* roc bit received from server */
@@ -378,6 +380,10 @@ void pnfs_layout_mark_request_commit(struct nfs_page *req,
struct pnfs_layout_segment *lseg,
struct nfs_commit_info *cinfo,
u32 ds_commit_idx);
+void pnfs_lgopen_prepare(struct nfs4_opendata *data,
+ struct nfs_open_context *ctx);
+void pnfs_parse_lgopen(struct inode *ino, struct nfs4_layoutget *lgp,
+ struct nfs_open_context *ctx);
static inline bool nfs_have_layout(struct inode *inode)
{
@@ -778,6 +784,17 @@ static inline bool nfs4_refresh_layout_stateid(nfs4_stateid *dst,
{
return false;
}
+
+static inline void pnfs_lgopen_prepare(struct nfs4_opendata *data,
+ struct nfs_open_context *ctx)
+{
+}
+
+static inline void pnfs_parse_lgopen(struct inode *ino,
+ struct nfs4_layoutget *lgp,
+ struct nfs_open_context *ctx)
+{
+}
#endif /* CONFIG_NFS_V4_1 */
#if IS_ENABLED(CONFIG_NFS_V4_2)