NFS: avoid some stat gathering for direct io (56f9cd68) · Commits · 戴 / test

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);
		}
		}