diff options
Diffstat (limited to 'include/linux/nfs_xdr.h')
| -rw-r--r-- | include/linux/nfs_xdr.h | 106 |
1 files changed, 34 insertions, 72 deletions
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 6fb5b2335b5..9a1396e7031 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -489,31 +489,21 @@ struct nfs4_delegreturnres { }; /* - * Arguments to the read call. + * Arguments to the write call. */ -struct nfs_readargs { - struct nfs4_sequence_args seq_args; - struct nfs_fh * fh; - struct nfs_open_context *context; - struct nfs_lock_context *lock_context; - nfs4_stateid stateid; - __u64 offset; - __u32 count; - unsigned int pgbase; - struct page ** pages; +struct nfs_write_verifier { + char data[8]; }; -struct nfs_readres { - struct nfs4_sequence_res seq_res; - struct nfs_fattr * fattr; - __u32 count; - int eof; +struct nfs_writeverf { + struct nfs_write_verifier verifier; + enum nfs3_stable_how committed; }; /* - * Arguments to the write call. + * Arguments shared by the read and write call. */ -struct nfs_writeargs { +struct nfs_pgio_args { struct nfs4_sequence_args seq_args; struct nfs_fh * fh; struct nfs_open_context *context; @@ -521,27 +511,20 @@ struct nfs_writeargs { nfs4_stateid stateid; __u64 offset; __u32 count; - enum nfs3_stable_how stable; unsigned int pgbase; struct page ** pages; - const u32 * bitmask; -}; - -struct nfs_write_verifier { - char data[8]; + const u32 * bitmask; /* used by write */ + enum nfs3_stable_how stable; /* used by write */ }; -struct nfs_writeverf { - struct nfs_write_verifier verifier; - enum nfs3_stable_how committed; -}; - -struct nfs_writeres { +struct nfs_pgio_res { struct nfs4_sequence_res seq_res; struct nfs_fattr * fattr; - struct nfs_writeverf * verf; __u32 count; - const struct nfs_server *server; + int eof; /* used by read */ + struct nfs_writeverf * verf; /* used by write */ + const struct nfs_server *server; /* used by write */ + }; /* @@ -1129,6 +1112,7 @@ struct pnfs_commit_bucket { struct list_head committing; struct pnfs_layout_segment *wlseg; struct pnfs_layout_segment *clseg; + struct nfs_writeverf direct_verf; }; struct pnfs_ds_commit_info { @@ -1264,20 +1248,6 @@ struct nfs_page_array { struct page *page_array[NFS_PAGEVEC_SIZE]; }; -struct nfs_read_data { - struct nfs_pgio_header *header; - struct list_head list; - struct rpc_task task; - struct nfs_fattr fattr; /* fattr storage */ - struct nfs_readargs args; - struct nfs_readres res; - unsigned long timestamp; /* For lease renewal */ - int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data); - __u64 mds_offset; - struct nfs_page_array pages; - struct nfs_client *ds_clp; /* pNFS data server */ -}; - /* used as flag bits in nfs_pgio_header */ enum { NFS_IOHDR_ERROR = 0, @@ -1287,19 +1257,22 @@ enum { NFS_IOHDR_NEED_RESCHED, }; +struct nfs_pgio_data; + struct nfs_pgio_header { struct inode *inode; struct rpc_cred *cred; struct list_head pages; - struct list_head rpc_list; + struct nfs_pgio_data *data; atomic_t refcnt; struct nfs_page *req; - struct nfs_writeverf *verf; + struct nfs_writeverf verf; /* Used for writes */ struct pnfs_layout_segment *lseg; loff_t io_start; const struct rpc_call_ops *mds_ops; void (*release) (struct nfs_pgio_header *hdr); const struct nfs_pgio_completion_ops *completion_ops; + const struct nfs_rw_ops *rw_ops; struct nfs_direct_req *dreq; void *layout_private; spinlock_t lock; @@ -1310,30 +1283,24 @@ struct nfs_pgio_header { unsigned long flags; }; -struct nfs_read_header { - struct nfs_pgio_header header; - struct nfs_read_data rpc_data; -}; - -struct nfs_write_data { +struct nfs_pgio_data { struct nfs_pgio_header *header; - struct list_head list; struct rpc_task task; struct nfs_fattr fattr; - struct nfs_writeverf verf; - struct nfs_writeargs args; /* argument struct */ - struct nfs_writeres res; /* result struct */ + struct nfs_writeverf verf; /* Used for writes */ + struct nfs_pgio_args args; /* argument struct */ + struct nfs_pgio_res res; /* result struct */ unsigned long timestamp; /* For lease renewal */ - int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data); + int (*pgio_done_cb) (struct rpc_task *task, struct nfs_pgio_data *data); __u64 mds_offset; /* Filelayout dense stripe */ struct nfs_page_array pages; struct nfs_client *ds_clp; /* pNFS data server */ + int ds_idx; /* ds index if ds_clp is set */ }; -struct nfs_write_header { +struct nfs_rw_header { struct nfs_pgio_header header; - struct nfs_write_data rpc_data; - struct nfs_writeverf verf; + struct nfs_pgio_data rpc_data; }; struct nfs_mds_commit_info { @@ -1465,16 +1432,11 @@ struct nfs_rpc_ops { struct nfs_pathconf *); int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int); - void (*read_setup) (struct nfs_read_data *, struct rpc_message *); - void (*read_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, - const struct nfs_pgio_completion_ops *); - int (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *); - int (*read_done) (struct rpc_task *, struct nfs_read_data *); - void (*write_setup) (struct nfs_write_data *, struct rpc_message *); - void (*write_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, int, - const struct nfs_pgio_completion_ops *); - int (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *); - int (*write_done) (struct rpc_task *, struct nfs_write_data *); + int (*pgio_rpc_prepare)(struct rpc_task *, struct nfs_pgio_data *); + void (*read_setup) (struct nfs_pgio_data *, struct rpc_message *); + int (*read_done) (struct rpc_task *, struct nfs_pgio_data *); + void (*write_setup) (struct nfs_pgio_data *, struct rpc_message *); + int (*write_done) (struct rpc_task *, struct nfs_pgio_data *); void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *); void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *); int (*commit_done) (struct rpc_task *, struct nfs_commit_data *); |