From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: - r-o-bind-mounts-elevate-mnt-writers-for-vfs_unlink-callers.patch removed from -mm tree Date: Thu, 14 Feb 2008 21:31:11 -0800 Message-ID: <200802150531.m1F5VBbZ021748@imap1.linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp2.linux-foundation.org ([207.189.120.14]:48654 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752873AbYBOFbc (ORCPT ); Fri, 15 Feb 2008 00:31:32 -0500 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: haveblue@us.ibm.com, hch@infradead.org, mm-commits@vger.kernel.org The patch titled r-o-bind-mounts: elevate mnt writers for vfs_unlink() callers has been removed from the -mm tree. Its filename was r-o-bind-mounts-elevate-mnt-writers-for-vfs_unlink-callers.patch This patch was dropped because an updated version will be merged The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: r-o-bind-mounts: elevate mnt writers for vfs_unlink() callers From: Dave Hansen Acked-by: Christoph Hellwig Signed-off-by: Dave Hansen Signed-off-by: Andrew Morton --- fs/namei.c | 4 ++++ ipc/mqueue.c | 5 ++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff -puN fs/namei.c~r-o-bind-mounts-elevate-mnt-writers-for-vfs_unlink-callers fs/namei.c --- a/fs/namei.c~r-o-bind-mounts-elevate-mnt-writers-for-vfs_unlink-callers +++ a/fs/namei.c @@ -2268,7 +2268,11 @@ static long do_unlinkat(int dfd, const c inode = dentry->d_inode; if (inode) atomic_inc(&inode->i_count); + error = mnt_want_write(nd.mnt); + if (error) + goto exit2; error = vfs_unlink(nd.dentry->d_inode, dentry); + mnt_drop_write(nd.mnt); exit2: dput(dentry); } diff -puN ipc/mqueue.c~r-o-bind-mounts-elevate-mnt-writers-for-vfs_unlink-callers ipc/mqueue.c --- a/ipc/mqueue.c~r-o-bind-mounts-elevate-mnt-writers-for-vfs_unlink-callers +++ a/ipc/mqueue.c @@ -742,8 +742,11 @@ asmlinkage long sys_mq_unlink(const char inode = dentry->d_inode; if (inode) atomic_inc(&inode->i_count); - + err = mnt_want_write(mqueue_mnt); + if (err) + goto out_err; err = vfs_unlink(dentry->d_parent->d_inode, dentry); + mnt_drop_write(mqueue_mnt); out_err: dput(dentry); _ Patches currently in -mm which might be from haveblue@us.ibm.com are enable-hotplug-memory-remove-for-ppc64.patch r-o-bind-mounts-elevate-mnt-writers-for-vfs_unlink-callers.patch r-o-bind-mounts-elevate-mount-count-for-extended-attributes.patch r-o-bind-mounts-elevate-write-count-during-entire-ncp_ioctl.patch r-o-bind-mounts-elevate-write-count-for-do_sys_utime-and-touch_atime.patch r-o-bind-mounts-elevate-write-count-for-do_utimes.patch r-o-bind-mounts-elevate-write-count-for-file_update_time.patch r-o-bind-mounts-elevate-write-count-for-link-and-symlink-calls.patch r-o-bind-mounts-elevate-write-count-for-some-ioctls.patch r-o-bind-mounts-elevate-write-count-opened-files.patch r-o-bind-mounts-elevate-write-count-over-calls-to-vfs_rename.patch r-o-bind-mounts-elevate-writer-count-for-chown-and-friends.patch r-o-bind-mounts-elevate-writer-count-for-do_sys_truncate.patch r-o-bind-mounts-make-access-use-mnt-check.patch r-o-bind-mounts-nfs-check-mnt-instead-of-superblock-directly.patch r-o-bind-mounts-sys_mknodat-elevate-write-count-for-vfs_mknod-create.patch r-o-bind-mounts-track-number-of-mount-writers.patch r-o-bind-mounts-honor-r-w-changes-at-do_remount-time.patch keep-track-of-mnt_writer-state-of-struct-file.patch create-file_drop_write_access-helper.patch fix-up-new-filp-allocators.patch reiser4.patch page-owner-tracking-leak-detector.patch