// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2000,2005 Silicon Graphics, Inc. * All Rights Reserved.
*/ #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_mount.h" #include"xfs_inode.h" #include"xfs_trans.h" #include"xfs_trans_priv.h" #include"xfs_inode_item.h"
#include <linux/iversion.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)
{ struct xfs_inode_log_item *iip;
/* Reset the per-tx dirty context and add the item to the tx. */
iip->ili_dirty_flags = 0;
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 timespec64 tv;
/* If the mtime changes, then ctime must also change */
ASSERT(flags & XFS_ICHGTIME_CHG);
tv = inode_set_ctime_current(inode); if (flags & XFS_ICHGTIME_MOD)
inode_set_mtime_to_ts(inode, tv); if (flags & XFS_ICHGTIME_ACCESS)
inode_set_atime_to_ts(inode, tv); if (flags & XFS_ICHGTIME_CREATE)
ip->i_crtime = tv;
}
/* * 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. All we do here is record where the * inode was dirtied and mark the transaction and inode log item dirty; * everything else is done in the ->precommit log item operation after the * changes in the transaction have been completed.
*/ void
xfs_trans_log_inode( struct xfs_trans *tp, struct xfs_inode *ip,
uint flags)
{ struct xfs_inode_log_item *iip = ip->i_itemp; struct inode *inode = VFS_I(ip);
/* * First time we log the inode in a transaction, bump the inode change * counter if it is configured for this to occur. While we have the * inode locked exclusively for metadata modification, we can usually * avoid setting XFS_ILOG_CORE if no one has queried the value since * the last time it was incremented. If we have XFS_ILOG_CORE already * set however, then go ahead and bump the i_version counter * unconditionally.
*/ if (!test_and_set_bit(XFS_LI_DIRTY, &iip->ili_item.li_flags)) { if (IS_I_VERSION(inode) &&
inode_maybe_inc_iversion(inode, flags & XFS_ILOG_CORE))
flags |= XFS_ILOG_IVERSION;
}
iip->ili_dirty_flags |= flags;
}
int
xfs_trans_roll_inode( struct xfs_trans **tpp, struct xfs_inode *ip)
{ int error;
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