Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932131AbXE1Qg6 (ORCPT ); Mon, 28 May 2007 12:36:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756988AbXE1Qgg (ORCPT ); Mon, 28 May 2007 12:36:36 -0400 Received: from py-out-1112.google.com ([64.233.166.182]:60242 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751554AbXE1Qge (ORCPT ); Mon, 28 May 2007 12:36:34 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:cc:subject:in-reply-to:x-mailer:date:message-id:mime-version:content-type:reply-to:to:content-transfer-encoding:from; b=iI0WFt3s+KtXJiB4JIiMRiNGttFViqFgz51jLMULc2gMzOfZBhZQiarSqP23c5eBHO8F3aVK07MGLPjX3i3noGZwS6wc7ufmnnI5ydSQjN7GIOqCxcdZk5DO/SBalCquGEoKdHXI58gIxm8cRnDonOB1wfffTaHA0S3ebPftcUc= Subject: [PATCHSET 2.6.22-rc2-mm1 REVIEW] sysfs: make directory dentries/inodes reclaimable In-Reply-To: X-Mailer: git-send-email Date: Tue, 29 May 2007 01:36:26 +0900 Message-Id: <11803701861778-git-send-email-htejun@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Reply-To: Tejun Heo To: gregkh@suse.de, dmitry.torokhov@gmail.com, cornelia.huck@de.ibm.com, oneukum@suse.de, rpurdie@rpsys.net, stern@rowland.harvard.edu, maneesh@in.ibm.com, linux-kernel@vger.kernel.org, htejun@gmail.com Content-Transfer-Encoding: 7BIT From: Tejun Heo Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2103 Lines: 63 Hello, again. THIS PATCHSET NEEDS MORE REVIEW AND TESTING. PLEASE DO NOT APPLY YET. This patchset makes directory dentries and inodes reclaimable and is consisted of the following six patches. #01: implement-sysfs-flags-and-SYSFS_FLAG_REMOVED #02: implement-sysfs_find_dirent-and-sysfs_get_dirent #03: make-kobj-point-to-sysfs_dirent-instead-of-dentry #04: use-sysfs_lock-to-protect-the-sysfs_dirent-tree #05: implement-sysfs_get_dentry #06: make-directory-dentries-and-inodes-reclaimable Patch #01 and #06 probably need more splitting and #04-06 definitely need a lot more testing and review but the basic seems to work. Now having 10k sysfs files/directories cost slightly under 9 megabytes, which isn't too bad and makes sysfs useable on wider range of systems. API changes... * kobj->dentry replaced with kobj->sd as dentry can go away * shadowed directory handling functions now take sysfs_dirent instead of dentry As dirent and dentry are confusing as hell, I'd like to rename sysfs_dirent to sysfs_node or something. Any better ideas? Please review, test, scream... :-) This patchset is on top of 2.6.22-rc2-mm1 + [1] sysfs-assorted-fixes patchset + [2] sysfs-reduce-memory-footprint-of-sysfs_dirent patchset fs/sysfs/bin.c | 6 fs/sysfs/dir.c | 590 +++++++++++++++++++++++++++++++----------------- fs/sysfs/file.c | 196 +++++++-------- fs/sysfs/group.c | 54 ++-- fs/sysfs/inode.c | 36 +- fs/sysfs/mount.c | 4 fs/sysfs/symlink.c | 67 ++--- fs/sysfs/sysfs.h | 25 +- include/linux/kobject.h | 9 include/linux/sysfs.h | 24 + lib/kobject.c | 10 11 files changed, 603 insertions(+), 418 deletions(-) Thanks. -- tejun [1] http://thread.gmane.org/gmane.linux.kernel/535372 [2] http://thread.gmane.org/gmane.linux.kernel/535379 - 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/