Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754936AbYG1MhX (ORCPT ); Mon, 28 Jul 2008 08:37:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752429AbYG1MhH (ORCPT ); Mon, 28 Jul 2008 08:37:07 -0400 Received: from cantor.suse.de ([195.135.220.2]:57315 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751205AbYG1MhE (ORCPT ); Mon, 28 Jul 2008 08:37:04 -0400 Date: Mon, 28 Jul 2008 14:37:03 +0200 From: Nick Piggin To: Linux Memory Management List , xfs@oss.sgi.com, xen-devel@lists.xensource.com, Linux Kernel Mailing List Cc: Andrew Morton , dri-devel@lists.sourceforge.net Subject: [rfc][patch 3/3] xfs: use new vmap API Message-ID: <20080728123703.GC13926@wotan.suse.de> References: <20080728123438.GA13926@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080728123438.GA13926@wotan.suse.de> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1315 Lines: 36 Implement XFS's large buffer support with the new vmap APIs. See the vmap rewrite patch for some numbers. Signed-off-by: Nick Piggin --- Index: linux-2.6/fs/xfs/linux-2.6/xfs_buf.c =================================================================== --- linux-2.6.orig/fs/xfs/linux-2.6/xfs_buf.c +++ linux-2.6/fs/xfs/linux-2.6/xfs_buf.c @@ -265,7 +265,7 @@ xfs_buf_free( uint i; if ((bp->b_flags & XBF_MAPPED) && (bp->b_page_count > 1)) - vunmap(bp->b_addr - bp->b_offset); + vm_unmap_ram(bp->b_addr - bp->b_offset, bp->b_page_count); for (i = 0; i < bp->b_page_count; i++) { struct page *page = bp->b_pages[i]; @@ -387,8 +387,8 @@ _xfs_buf_map_pages( bp->b_addr = page_address(bp->b_pages[0]) + bp->b_offset; bp->b_flags |= XBF_MAPPED; } else if (flags & XBF_MAPPED) { - bp->b_addr = vmap(bp->b_pages, bp->b_page_count, - VM_MAP, PAGE_KERNEL); + bp->b_addr = vm_map_ram(bp->b_pages, bp->b_page_count, + -1, PAGE_KERNEL); if (unlikely(bp->b_addr == NULL)) return -ENOMEM; bp->b_addr += bp->b_offset; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/