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authorFred Isaman <iisaman@netapp.com>2011-03-03 15:13:47 +0000
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-03-11 15:38:44 -0500
commita69aef1496726ed88386dad65abfcc8cd3195304 (patch)
tree66766c9eed54e6dc7ddf9ecaf8765a7bc833685e /fs/nfs/internal.h
parent7ffd10640dc008f6d5a375bd6450755745c63c7d (diff)
NFSv4.1: pnfs filelayout driver write
Allows the pnfs filelayout driver to write to the data servers. Note that COMMIT to data servers will be implemented in a future patch. To avoid improper behavior, for the moment any WRITE to a data server that would also require a COMMIT to the data server is sent NFS_FILE_SYNC. Signed-off-by: Andy Adamson <andros@citi.umich.edu> 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: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com> Signed-off-by: Andy Adamson <andros@netapp.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>
Diffstat (limited to 'fs/nfs/internal.h')
-rw-r--r--fs/nfs/internal.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 1a3228e9ea2..d1ddc23c404 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -276,6 +276,10 @@ extern int nfs_initiate_read(struct nfs_read_data *data, struct rpc_clnt *clnt,
extern void nfs_read_prepare(struct rpc_task *task, void *calldata);
/* write.c */
+extern int nfs_initiate_write(struct nfs_write_data *data,
+ struct rpc_clnt *clnt,
+ const struct rpc_call_ops *call_ops,
+ int how);
extern void nfs_write_prepare(struct rpc_task *task, void *calldata);
#ifdef CONFIG_MIGRATION
extern int nfs_migrate_page(struct address_space *,
@@ -291,6 +295,7 @@ extern int nfs4_init_client(struct nfs_client *clp,
const char *ip_addr,
rpc_authflavor_t authflavour,
int noresvport);
+extern void nfs4_reset_write(struct rpc_task *task, struct nfs_write_data *data);
extern int _nfs4_call_sync(struct nfs_server *server,
struct rpc_message *msg,
struct nfs4_sequence_args *args,