From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from userp2130.oracle.com ([156.151.31.86]:43592 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726477AbfDLWwr (ORCPT ); Fri, 12 Apr 2019 18:52:47 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x3CMd9KW010185 for ; Fri, 12 Apr 2019 22:52:46 GMT Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2130.oracle.com with ESMTP id 2rpkhtgtwk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Fri, 12 Apr 2019 22:52:46 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x3CMqb9g076136 for ; Fri, 12 Apr 2019 22:52:46 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3030.oracle.com with ESMTP id 2rtqnpaknf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Fri, 12 Apr 2019 22:52:45 +0000 Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x3CMqjaH020688 for ; Fri, 12 Apr 2019 22:52:45 GMT From: Allison Henderson Subject: [PATCH 2/9] xfs: Hold inode locks in xfs_ialloc Date: Fri, 12 Apr 2019 15:50:29 -0700 Message-Id: <20190412225036.22939-3-allison.henderson@oracle.com> In-Reply-To: <20190412225036.22939-1-allison.henderson@oracle.com> References: <20190412225036.22939-1-allison.henderson@oracle.com> Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: linux-xfs@vger.kernel.org Modify xfs_ialloc to hold locks after return. Caller will be responsible for manual unlock. We will need this later to hold locks across parent pointer operations Signed-off-by: Allison Henderson --- fs/xfs/xfs_inode.c | 6 +++++- fs/xfs/xfs_qm.c | 1 + fs/xfs/xfs_symlink.c | 3 +++ 3 files changed, 9 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index f643a92..30a3130 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -744,6 +744,8 @@ xfs_lookup( * to attach to or associate with (i.e. pip == NULL) because they * are not linked into the directory structure - they are attached * directly to the superblock - and so have no parent. + * + * Caller is responsible for unlocking the inode manually upon return */ static int xfs_ialloc( @@ -942,7 +944,7 @@ xfs_ialloc( /* * Log the new values stuffed into the inode. */ - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); + xfs_trans_ijoin(tp, ip, 0); xfs_trans_log_inode(tp, ip, flags); /* now that we have an i_mode we can setup the inode structure */ @@ -1264,6 +1266,7 @@ xfs_create( xfs_qm_dqrele(pdqp); *ipp = ip; + xfs_iunlock(ip, XFS_ILOCK_EXCL); return 0; out_trans_cancel: @@ -1359,6 +1362,7 @@ xfs_create_tmpfile( xfs_qm_dqrele(pdqp); *ipp = ip; + xfs_iunlock(ip, XFS_ILOCK_EXCL); return 0; out_trans_cancel: diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 52ed790..69006e5 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -820,6 +820,7 @@ xfs_qm_qino_alloc( } if (need_alloc) xfs_finish_inode_setup(*ip); + xfs_iunlock(*ip, XFS_ILOCK_EXCL); return error; } diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c index b2c1177..13d31fe 100644 --- a/fs/xfs/xfs_symlink.c +++ b/fs/xfs/xfs_symlink.c @@ -353,6 +353,7 @@ xfs_symlink( xfs_qm_dqrele(pdqp); *ipp = ip; + xfs_iunlock(ip, XFS_ILOCK_EXCL); return 0; out_trans_cancel: @@ -374,6 +375,8 @@ xfs_symlink( if (unlock_dp_on_error) xfs_iunlock(dp, XFS_ILOCK_EXCL); + if (ip) + xfs_iunlock(ip, XFS_ILOCK_EXCL); return error; } -- 2.7.4