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authorFred Isaman <iisaman@netapp.com>2012-04-20 14:47:57 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-04-27 14:10:39 -0400
commit1763da1234cba663b849476d451bdccac5147859 (patch)
treeb2b4bf3e1ce8624217c78508054fc620aac79a55 /fs/nfs/internal.h
parent56f9cd684d25f1bae901c5a872b8427f8b417c3f (diff)
downloadlinux-1763da1234cba663b849476d451bdccac5147859.tar.bz2
NFS: rewrite directio write to use async coalesce code
This also has the advantage that it allows directio to use pnfs. 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.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 137f5cd71433..d68810f61869 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -320,10 +320,11 @@ extern void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio);
extern void nfs_readdata_release(struct nfs_read_data *rdata);
/* write.c */
+extern void nfs_pageio_init_write(struct nfs_pageio_descriptor *pgio,
+ struct inode *inode, int ioflags,
+ const struct nfs_pgio_completion_ops *compl_ops);
extern struct nfs_write_header *nfs_writehdr_alloc(void);
extern void nfs_writehdr_free(struct nfs_pgio_header *hdr);
-extern struct nfs_write_data *nfs_writedata_alloc(struct nfs_pgio_header *hdr,
- unsigned int pagecount);
extern int nfs_generic_flush(struct nfs_pageio_descriptor *desc,
struct nfs_pgio_header *hdr);
extern void nfs_pageio_init_write_mds(struct nfs_pageio_descriptor *pgio,
@@ -346,6 +347,15 @@ extern void nfs_init_commit(struct nfs_commit_data *data,
struct list_head *head,
struct pnfs_layout_segment *lseg,
struct nfs_commit_info *cinfo);
+int nfs_scan_commit_list(struct list_head *src, struct list_head *dst,
+ struct nfs_commit_info *cinfo, int max);
+int nfs_scan_commit(struct inode *inode, struct list_head *dst,
+ struct nfs_commit_info *cinfo);
+void nfs_mark_request_commit(struct nfs_page *req,
+ struct pnfs_layout_segment *lseg,
+ struct nfs_commit_info *cinfo);
+int nfs_generic_commit_list(struct inode *inode, struct list_head *head,
+ int how, struct nfs_commit_info *cinfo);
void nfs_retry_commit(struct list_head *page_list,
struct pnfs_layout_segment *lseg,
struct nfs_commit_info *cinfo);
@@ -365,6 +375,10 @@ extern int nfs_migrate_page(struct address_space *,
#define nfs_migrate_page NULL
#endif
+/* direct.c */
+void nfs_init_cinfo_from_dreq(struct nfs_commit_info *cinfo,
+ struct nfs_direct_req *dreq);
+
/* nfs4proc.c */
extern void __nfs4_read_done_cb(struct nfs_read_data *);
extern void nfs4_reset_read(struct rpc_task *task, struct nfs_read_data *data);