From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id AF5097F81 for ; Fri, 13 Dec 2013 08:28:35 -0600 (CST) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id A3BC3304077 for ; Fri, 13 Dec 2013 06:28:23 -0800 (PST) Received: from e34.co.us.ibm.com (e34.co.us.ibm.com [32.97.110.152]) by cuda.sgi.com with ESMTP id yvnZFhFYGVFEF8by (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Fri, 13 Dec 2013 06:28:04 -0800 (PST) Received: from /spool/local by e34.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 13 Dec 2013 07:28:04 -0700 Received: from b03cxnp08025.gho.boulder.ibm.com (b03cxnp08025.gho.boulder.ibm.com [9.17.130.17]) by d03dlp02.boulder.ibm.com (Postfix) with ESMTP id E07B73E40044 for ; Fri, 13 Dec 2013 07:28:01 -0700 (MST) Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by b03cxnp08025.gho.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id rBDES1PX8323440 for ; Fri, 13 Dec 2013 15:28:01 +0100 Received: from d03av01.boulder.ibm.com (localhost [127.0.0.1]) by d03av01.boulder.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id rBDES15V032565 for ; Fri, 13 Dec 2013 07:28:01 -0700 From: Zhi Yong Wu Subject: [PATCH 0/5] xfs: add O_TMPFILE support Date: Fri, 13 Dec 2013 22:27:48 +0800 Message-Id: <1386944873-16796-1-git-send-email-zwu.kernel@gmail.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com Cc: linux-fsdevel@vger.kernel.org, Zhi Yong Wu , linux-kernel@vger.kernel.org From: Zhi Yong Wu HI, folks It's time to post out the first formal version, welcome to any constructive comment, thanks. If anyone is interested in playing with it, you can get this patchset from my dev git on github: git://github.com/wuzhy/kernel.git xfs_tmpfile The patchset was tests agaist the code snippet from Andy Lutomirski and other test cases: http://lwn.net/Articles/562296/ If you have any other better test cases, please let me know, thanks. #include #include #include #include #include #define __O_TMPFILE 020000000 #define O_DIRECTORY 0200000 #define O_TMPFILE (__O_TMPFILE | O_DIRECTORY) #define AT_EMPTY_PATH 0x1000 int main(int argc, char **argv) { char buf[128]; if (argc != 3) errx(1, "Usage: flinktest PATH linkat|proc"); int fd = open(".", O_TMPFILE | O_RDWR, 0600); if (fd == -1) err(1, "O_TMPFILE"); else printf("fd #: %d\n", fd); write(fd, "test", 4); if (!strcmp(argv[2], "linkat")) { if (linkat(fd, "", AT_FDCWD, argv[1], AT_EMPTY_PATH) != 0) err(1, "linkat"); } else if (!strcmp(argv[2], "proc")) { sprintf(buf, "/proc/self/fd/%d", fd); if (linkat(AT_FDCWD, buf, AT_FDCWD, argv[1], AT_SYMLINK_FOLLOW) != 0) err(1, "linkat"); } else { errx(1, "invalid mode"); } return 0; } Changelog from rfc: - Addressed the comments from Dave Chinner and Christoph Hellwig. Zhi Yong Wu (5): xfs: factor prid related codes into xfs_get_initial_prid() xfs: adjust the interface of xfs_qm_vop_dqalloc() xfs: add xfs_create_tmpfile() for O_TMPFILE support xfs: add a new method xfs_vn_tmpfile() xfs: allow linkat() on O_TMPFILE files fs/xfs/xfs_inode.c | 142 ++++++++++++++++++++++++++++++++++++++++++++--- fs/xfs/xfs_inode.h | 2 + fs/xfs/xfs_ioctl.c | 2 +- fs/xfs/xfs_iops.c | 25 ++++++++- fs/xfs/xfs_qm.c | 50 ++++++++++------ fs/xfs/xfs_quota.h | 6 +- fs/xfs/xfs_shared.h | 4 +- fs/xfs/xfs_symlink.c | 2 +- fs/xfs/xfs_trans_resv.c | 51 +++++++++++++++++ fs/xfs/xfs_trans_resv.h | 4 + 10 files changed, 255 insertions(+), 33 deletions(-) -- 1.7.6.5 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs