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authorPeng Tao <bergwolf@gmail.com>2012-09-25 10:55:57 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-10-09 03:32:22 +0400
commit6296556f0b31eaff29f2a3aee2c17b7eae895b98 (patch)
tree19f39cac9cff045e8c753ab8908deadc1c9c6bab /fs/nfs/pnfs.h
parent35754bc00e94e598c432ad02f7a3d3063c4402e3 (diff)
downloadlinux-6296556f0b31eaff29f2a3aee2c17b7eae895b98.tar.xz
NFS41: send real write size in layoutget
For buffer write, block layout client scan inode mapping to find next hole and use offset-to-hole as layoutget length. Object layout client uses offset-to-isize as layoutget length. For direct write, both block layout and object layout use dreq->bytes_left. Signed-off-by: Peng Tao <tao.peng@emc.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/pnfs.h')
-rw-r--r--fs/nfs/pnfs.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 6cede2c6c961..2d722dba1111 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -186,7 +186,8 @@ void set_pnfs_layoutdriver(struct nfs_server *, const struct nfs_fh *, u32);
void unset_pnfs_layoutdriver(struct nfs_server *);
void pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *, struct nfs_page *);
int pnfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc);
-void pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *, struct nfs_page *);
+void pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio,
+ struct nfs_page *req, u64 wb_size);
int pnfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc);
bool pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev, struct nfs_page *req);
void pnfs_set_lo_fail(struct pnfs_layout_segment *lseg);