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Commit 56f9cd68 authored by Fred Isaman's avatar Fred Isaman Committed by Trond Myklebust
Browse files

NFS: avoid some stat gathering for direct io 



Signed-off-by: default avatarFred Isaman <iisaman@netapp.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent b359f9d0

fs/nfs/write.c

+12 −6
Original line number Diff line number Diff line
@@ -472,9 +472,13 @@ nfs_request_add_commit_list(struct nfs_page *req, struct list_head *dst, 
	nfs_list_add_request(req, dst);

	cinfo->mds->ncommit++;

	spin_unlock(cinfo->lock);

	if (!cinfo->dreq) {

		inc_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);

	inc_bdi_stat(req->wb_page->mapping->backing_dev_info, BDI_RECLAIMABLE);

	__mark_inode_dirty(req->wb_context->dentry->d_inode, I_DIRTY_DATASYNC);

		inc_bdi_stat(req->wb_page->mapping->backing_dev_info,

			     BDI_RECLAIMABLE);

		__mark_inode_dirty(req->wb_context->dentry->d_inode,

				   I_DIRTY_DATASYNC);

	}

}

EXPORT_SYMBOL_GPL(nfs_request_add_commit_list);
@@ -1455,9 +1459,11 @@ void nfs_retry_commit(struct list_head *page_list, 
		req = nfs_list_entry(page_list->next);

		nfs_list_remove_request(req);

		nfs_mark_request_commit(req, lseg, cinfo);

		if (!cinfo->dreq) {

			dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);

			dec_bdi_stat(req->wb_page->mapping->backing_dev_info,

				     BDI_RECLAIMABLE);

		}

		nfs_unlock_request(req);

	}

}