138 lines
4 KiB
C
138 lines
4 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2000,2005 Silicon Graphics, Inc.
|
||
|
|
* All Rights Reserved.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public License as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it would be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write the Free Software Foundation,
|
||
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
#include "xfs.h"
|
||
|
|
#include "xfs_fs.h"
|
||
|
|
#include "xfs_shared.h"
|
||
|
|
#include "xfs_format.h"
|
||
|
|
#include "xfs_log_format.h"
|
||
|
|
#include "xfs_trans_resv.h"
|
||
|
|
#include "xfs_sb.h"
|
||
|
|
#include "xfs_ag.h"
|
||
|
|
#include "xfs_mount.h"
|
||
|
|
#include "xfs_inode.h"
|
||
|
|
#include "xfs_trans.h"
|
||
|
|
#include "xfs_trans_priv.h"
|
||
|
|
#include "xfs_inode_item.h"
|
||
|
|
#include "xfs_trace.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Add a locked inode to the transaction.
|
||
|
|
*
|
||
|
|
* The inode must be locked, and it cannot be associated with any transaction.
|
||
|
|
* If lock_flags is non-zero the inode will be unlocked on transaction commit.
|
||
|
|
*/
|
||
|
|
void
|
||
|
|
xfs_trans_ijoin(
|
||
|
|
struct xfs_trans *tp,
|
||
|
|
struct xfs_inode *ip,
|
||
|
|
uint lock_flags)
|
||
|
|
{
|
||
|
|
xfs_inode_log_item_t *iip;
|
||
|
|
|
||
|
|
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
|
||
|
|
if (ip->i_itemp == NULL)
|
||
|
|
xfs_inode_item_init(ip, ip->i_mount);
|
||
|
|
iip = ip->i_itemp;
|
||
|
|
|
||
|
|
ASSERT(iip->ili_lock_flags == 0);
|
||
|
|
iip->ili_lock_flags = lock_flags;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Get a log_item_desc to point at the new item.
|
||
|
|
*/
|
||
|
|
xfs_trans_add_item(tp, &iip->ili_item);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Transactional inode timestamp update. Requires the inode to be locked and
|
||
|
|
* joined to the transaction supplied. Relies on the transaction subsystem to
|
||
|
|
* track dirty state and update/writeback the inode accordingly.
|
||
|
|
*/
|
||
|
|
void
|
||
|
|
xfs_trans_ichgtime(
|
||
|
|
struct xfs_trans *tp,
|
||
|
|
struct xfs_inode *ip,
|
||
|
|
int flags)
|
||
|
|
{
|
||
|
|
struct inode *inode = VFS_I(ip);
|
||
|
|
struct timespec tv;
|
||
|
|
|
||
|
|
ASSERT(tp);
|
||
|
|
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
|
||
|
|
|
||
|
|
tv = current_fs_time(inode->i_sb);
|
||
|
|
|
||
|
|
if ((flags & XFS_ICHGTIME_MOD) &&
|
||
|
|
!timespec_equal(&inode->i_mtime, &tv)) {
|
||
|
|
inode->i_mtime = tv;
|
||
|
|
ip->i_d.di_mtime.t_sec = tv.tv_sec;
|
||
|
|
ip->i_d.di_mtime.t_nsec = tv.tv_nsec;
|
||
|
|
}
|
||
|
|
if ((flags & XFS_ICHGTIME_CHG) &&
|
||
|
|
!timespec_equal(&inode->i_ctime, &tv)) {
|
||
|
|
inode->i_ctime = tv;
|
||
|
|
ip->i_d.di_ctime.t_sec = tv.tv_sec;
|
||
|
|
ip->i_d.di_ctime.t_nsec = tv.tv_nsec;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This is called to mark the fields indicated in fieldmask as needing
|
||
|
|
* to be logged when the transaction is committed. The inode must
|
||
|
|
* already be associated with the given transaction.
|
||
|
|
*
|
||
|
|
* The values for fieldmask are defined in xfs_inode_item.h. We always
|
||
|
|
* log all of the core inode if any of it has changed, and we always log
|
||
|
|
* all of the inline data/extents/b-tree root if any of them has changed.
|
||
|
|
*/
|
||
|
|
void
|
||
|
|
xfs_trans_log_inode(
|
||
|
|
xfs_trans_t *tp,
|
||
|
|
xfs_inode_t *ip,
|
||
|
|
uint flags)
|
||
|
|
{
|
||
|
|
ASSERT(ip->i_itemp != NULL);
|
||
|
|
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
|
||
|
|
|
||
|
|
/*
|
||
|
|
* First time we log the inode in a transaction, bump the inode change
|
||
|
|
* counter if it is configured for this to occur. We don't use
|
||
|
|
* inode_inc_version() because there is no need for extra locking around
|
||
|
|
* i_version as we already hold the inode locked exclusively for
|
||
|
|
* metadata modification.
|
||
|
|
*/
|
||
|
|
if (!(ip->i_itemp->ili_item.li_desc->lid_flags & XFS_LID_DIRTY) &&
|
||
|
|
IS_I_VERSION(VFS_I(ip))) {
|
||
|
|
ip->i_d.di_changecount = ++VFS_I(ip)->i_version;
|
||
|
|
flags |= XFS_ILOG_CORE;
|
||
|
|
}
|
||
|
|
|
||
|
|
tp->t_flags |= XFS_TRANS_DIRTY;
|
||
|
|
ip->i_itemp->ili_item.li_desc->lid_flags |= XFS_LID_DIRTY;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Always OR in the bits from the ili_last_fields field.
|
||
|
|
* This is to coordinate with the xfs_iflush() and xfs_iflush_done()
|
||
|
|
* routines in the eventual clearing of the ili_fields bits.
|
||
|
|
* See the big comment in xfs_iflush() for an explanation of
|
||
|
|
* this coordination mechanism.
|
||
|
|
*/
|
||
|
|
flags |= ip->i_itemp->ili_last_fields;
|
||
|
|
ip->i_itemp->ili_fields |= flags;
|
||
|
|
}
|