From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B15DD7F50 for ; Mon, 28 Jan 2013 07:27:33 -0600 (CST) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 52DDEAC001 for ; Mon, 28 Jan 2013 05:27:33 -0800 (PST) Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id bKE2DkocNa5rJSQH (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 28 Jan 2013 05:27:32 -0800 (PST) Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by userp1040.oracle.com (Sentrion-MTA-4.2.2/Sentrion-MTA-4.2.2) with ESMTP id r0SDRVsk029325 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 28 Jan 2013 13:27:32 GMT Received: from acsmt356.oracle.com (acsmt356.oracle.com [141.146.40.156]) by ucsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r0SDRUHG025379 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 28 Jan 2013 13:27:31 GMT Received: from abhmt109.oracle.com (abhmt109.oracle.com [141.146.116.61]) by acsmt356.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id r0SDRUD0012516 for ; Mon, 28 Jan 2013 07:27:30 -0600 Message-ID: <51067CBD.8010703@oracle.com> Date: Mon, 28 Jan 2013 21:27:25 +0800 From: Jeff Liu MIME-Version: 1.0 Subject: [PATCH v4 09/13] xfs: introduce XFS_SB_LOG_RES() for transactions that modify sb on disk List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 Introduce a new transaction space reservation XFS_SB_LOG_RES() for those transactions that need to modify the superblock on disk. Signed-off-by: Jie Liu CC: Dave Chinner Reviewed-by: Mark Tinguely --- fs/xfs/xfs_mount.h | 1 + fs/xfs/xfs_trans.c | 12 ++++++++++++ fs/xfs/xfs_trans.h | 1 + 3 files changed, 14 insertions(+) diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index c5abd86..b9b7dbc 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -45,6 +45,7 @@ typedef struct xfs_trans_reservations { uint tr_qm_dqalloc; /* allocate quota on disk */ uint tr_qm_quotaoff; /* turn quota off */ uint tr_qm_equotaoff;/* end of turn quota off */ + uint tr_sb; /* modify superblock */ } xfs_trans_reservations_t; #ifndef __KERNEL__ diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index d43e839..3e4c5f1 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -605,6 +605,17 @@ xfs_calc_qm_quotaoff_end_reservation( } /* + * Syncing the incore super block changes to disk. + * the super block to reflect the changes: sector size + */ +STATIC uint +xfs_calc_sb_reservation( + struct xfs_mount *mp) +{ + return xfs_calc_buf_res(1, mp->m_sb.sb_sectsize); +} + +/* * Initialize the precomputed transaction reservation values * in the mount structure. */ @@ -640,6 +651,7 @@ xfs_trans_init( resp->tr_qm_dqalloc = xfs_calc_qm_dqalloc_reservation(mp); resp->tr_qm_quotaoff = xfs_calc_qm_quotaoff_reservation(mp); resp->tr_qm_equotaoff = xfs_calc_qm_quotaoff_end_reservation(mp); + resp->tr_sb = xfs_calc_sb_reservation(mp); } /* diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index 77ccc36..a150074 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -267,6 +267,7 @@ struct xfs_log_item_desc { #define XFS_QM_DQALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_qm_dqalloc) #define XFS_QM_QUOTAOFF_LOG_RES(mp) ((mp)->m_reservations.tr_qm_quotaoff) #define XFS_QM_QUOTAOFF_END_LOG_RES(mp) ((mp)->m_reservations.tr_qm_equotaoff) +#define XFS_SB_LOG_RES(mp) ((mp)->m_reservations.tr_sb) /* * Various log count values. -- 1.7.9.5 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs