Merge branch 'nfs-for-2.6.39' into nfs-for-next

4 files changed, 45 insertions, 3 deletions

diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 7e7f6b7e46b..b528f6d4b86 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -561,6 +561,7 @@ enum {
         NFSPROC4_CLNT_RECLAIM_COMPLETE,
         NFSPROC4_CLNT_LAYOUTGET,
         NFSPROC4_CLNT_GETDEVICEINFO,
+        NFSPROC4_CLNT_LAYOUTCOMMIT,
 };
 
 /* nfs41 types */
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index f88522b10a3..1b93b9c60e5 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -33,6 +33,8 @@
 #define FLUSH_STABLE            4       /* commit to stable storage */
 #define FLUSH_LOWPRI            8       /* low priority background flush */
 #define FLUSH_HIGHPRI           16      /* high priority memory reclaim flush */
+#define FLUSH_COND_STABLE       32      /* conditional stable write - only stable
+                                         * if everything fits in one RPC */
 
 #ifdef __KERNEL__
 
@@ -93,8 +95,13 @@ struct nfs_open_context {
         int error;
 
         struct list_head list;
+};
 
+struct nfs_open_dir_context {
+        struct rpc_cred *cred;
         __u64 dir_cookie;
+        __u64 dup_cookie;
+        int duped;
 };
 
 /*
@@ -191,6 +198,7 @@ struct nfs_inode {
 
         /* pNFS layout information */
         struct pnfs_layout_hdr *layout;
+        atomic_t                commits_outstanding;
 #endif /* CONFIG_NFS_V4*/
 #ifdef CONFIG_NFS_FSCACHE
         struct fscache_cookie   *fscache;
@@ -219,6 +227,8 @@ struct nfs_inode {
 #define NFS_INO_FSCACHE         (5)             /* inode can be cached by FS-Cache */
 #define NFS_INO_FSCACHE_LOCK    (6)             /* FS-Cache cookie management lock */
 #define NFS_INO_COMMIT          (7)             /* inode is committing unstable writes */
+#define NFS_INO_PNFS_COMMIT     (8)             /* use pnfs code for commit */
+#define NFS_INO_LAYOUTCOMMIT    (9)             /* layoutcommit required */
 
 static inline struct nfs_inode *NFS_I(const struct inode *inode)
 {
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 90907ada6d5..8023e4e2513 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -33,11 +33,15 @@ enum {
         PG_CLEAN,
         PG_NEED_COMMIT,
         PG_NEED_RESCHED,
+        PG_PNFS_COMMIT,
 };
 
 struct nfs_inode;
 struct nfs_page {
-        struct list_head        wb_list;        /* Defines state of page: */
+        union {
+                struct list_head        wb_list;        /* Defines state of page: */
+                struct pnfs_layout_segment *wb_commit_lseg; /* Used when PG_PNFS_COMMIT set */
+        };
         struct page             *wb_page;       /* page to read in/write out */
         struct nfs_open_context *wb_context;    /* File state context info */
         struct nfs_lock_context *wb_lock_context;       /* lock context info */
@@ -57,6 +61,7 @@ struct nfs_pageio_descriptor {
         size_t                  pg_count;
         size_t                  pg_bsize;
         unsigned int            pg_base;
+        char                    pg_moreio;
 
         struct inode            *pg_inode;
         int                     (*pg_doio)(struct nfs_pageio_descriptor *);
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index fa1ba78ca2c..78b101e487e 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -195,8 +195,9 @@ struct nfs4_get_lease_time_res {
 #define PNFS_LAYOUT_MAXSIZE 4096
 
 struct nfs4_layoutdriver_data {
+        struct page **pages;
+        __u32 pglen;
         __u32 len;
-        void *buf;
 };
 
 struct pnfs_layout_range {
@@ -214,6 +215,7 @@ struct nfs4_layoutget_args {
         struct nfs_open_context *ctx;
         struct nfs4_sequence_args seq_args;
         nfs4_stateid stateid;
+        struct nfs4_layoutdriver_data layout;
 };
 
 struct nfs4_layoutget_res {
@@ -221,8 +223,8 @@ struct nfs4_layoutget_res {
         struct pnfs_layout_range range;
         __u32 type;
         nfs4_stateid stateid;
-        struct nfs4_layoutdriver_data layout;
         struct nfs4_sequence_res seq_res;
+        struct nfs4_layoutdriver_data *layoutp;
 };
 
 struct nfs4_layoutget {
@@ -241,6 +243,29 @@ struct nfs4_getdeviceinfo_res {
         struct nfs4_sequence_res seq_res;
 };
 
+struct nfs4_layoutcommit_args {
+        nfs4_stateid stateid;
+        __u64 lastbytewritten;
+        struct inode *inode;
+        const u32 *bitmask;
+        struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_layoutcommit_res {
+        struct nfs_fattr *fattr;
+        const struct nfs_server *server;
+        struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_layoutcommit_data {
+        struct rpc_task task;
+        struct nfs_fattr fattr;
+        struct pnfs_layout_segment *lseg;
+        struct rpc_cred *cred;
+        struct nfs4_layoutcommit_args args;
+        struct nfs4_layoutcommit_res res;
+};
+
 /*
  * Arguments to the open call.
  */
@@ -1077,6 +1102,7 @@ struct nfs_write_data {
         struct nfs_writeres     res;            /* result struct */
         struct pnfs_layout_segment *lseg;
         struct nfs_client       *ds_clp;        /* pNFS data server */
+        int                     ds_commit_index;
         const struct rpc_call_ops *mds_ops;
         int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
 #ifdef CONFIG_NFS_V4