NFSv4.1: layoutcommit
The filelayout driver sends LAYOUTCOMMIT only when COMMIT goes to
the data server (as opposed to the MDS) and the data server WRITE
is not NFS_FILE_SYNC.
Only whole file layout support means that there is only one IOMODE_RW layout
segment.
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Alexandros Batsakis <batsakis@netapp.com>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Dean Hildebrand <dhildeb@us.ibm.com>
Signed-off-by: Fred Isaman <iisaman@citi.umich.edu>
Signed-off-by: Mingyang Guo <guomingyang@nrchpc.ac.cn>
Signed-off-by: Tao Guo <guotao@nrchpc.ac.cn>
Signed-off-by: Zhang Jingwang <zhangjingwang@nrchpc.ac.cn>
Tested-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 134716e..bf22cfa 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -560,6 +560,7 @@
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 807e07c..1b93b9c 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -228,6 +228,7 @@
#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_xdr.h b/include/linux/nfs_xdr.h
index ac0c0e5..84f3585 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -236,6 +236,29 @@
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.
*/