Commit bb713d6d authored by Trond Myklebust's avatar Trond Myklebust
Browse files

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: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent bb184f33

fs/nfs/write.c

+4 −2
Original line number Diff line number Diff line
@@ -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;

	}