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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/internal.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/internal.h')
-rw-r--r--fs/nfs/internal.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 89a795dc3027..59b133c5d652 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -464,6 +464,7 @@ static inline void nfs_inode_dio_wait(struct inode *inode)
{
inode_dio_wait(inode);
}
+extern ssize_t nfs_dreq_bytes_left(struct nfs_direct_req *dreq);
/* nfs4proc.c */
extern void __nfs4_read_done_cb(struct nfs_read_data *);