NFS: use set_page_writeback() in the appropriate places

 Ensure that we use set_page_writeback() in the appropriate places
 to help the VM in keeping its page radix_tree in sync.

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 8f71e766cc5d98813b80efc70ce48cba335c5514..3107908e5f3f98e3e264c05e4c8329f4649f1ce4 100644 (file)
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -189,6 +189,7 @@ static int nfs_writepage_sync(struct nfs_open_context *ctx, struct inode *inode,
                (long long)NFS_FILEID(inode),
                count, (long long)(page_offset(page) + offset));
 
+       set_page_writeback(page);
        nfs_begin_data_update(inode);
        do {
                if (count < wsize)
@@ -221,6 +222,7 @@ static int nfs_writepage_sync(struct nfs_open_context *ctx, struct inode *inode,
 
 io_error:
        nfs_end_data_update(inode);
+       end_page_writeback(page);
        nfs_writedata_free(wdata);
        return written ? written : result;
 }
@@ -929,7 +931,7 @@ static int nfs_flush_multi(struct list_head *head, struct inode *inode, int how)
        atomic_set(&req->wb_complete, requests);
 
        ClearPageError(page);
-       SetPageWriteback(page);
+       set_page_writeback(page);
        offset = 0;
        nbytes = req->wb_bytes;
        do {
@@ -992,7 +994,7 @@ static int nfs_flush_one(struct list_head *head, struct inode *inode, int how)
                nfs_list_remove_request(req);
                nfs_list_add_request(req, &data->pages);
                ClearPageError(req->wb_page);
-               SetPageWriteback(req->wb_page);
+               set_page_writeback(req->wb_page);
                *pages++ = req->wb_page;
                count += req->wb_bytes;
        }