81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
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/*
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* Copyright (C) 2016 Oracle. All Rights Reserved.
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*
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* Author: Darrick J. Wong <darrick.wong@oracle.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "xfs.h"
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#include "xfs_fs.h"
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#include "xfs_shared.h"
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#include "xfs_format.h"
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#include "xfs_log_format.h"
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#include "xfs_trans_resv.h"
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#include "xfs_mount.h"
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#include "xfs_defer.h"
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#include "xfs_trans.h"
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#include "xfs_trans_priv.h"
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#include "xfs_refcount_item.h"
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#include "xfs_alloc.h"
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#include "xfs_refcount.h"
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/*
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* This routine is called to allocate a "refcount update done"
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* log item.
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*/
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struct xfs_cud_log_item *
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xfs_trans_get_cud(
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struct xfs_trans *tp,
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struct xfs_cui_log_item *cuip)
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{
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struct xfs_cud_log_item *cudp;
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cudp = xfs_cud_init(tp->t_mountp, cuip);
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xfs_trans_add_item(tp, &cudp->cud_item);
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return cudp;
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}
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/*
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* Finish an refcount update and log it to the CUD. Note that the
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* transaction is marked dirty regardless of whether the refcount
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* update succeeds or fails to support the CUI/CUD lifecycle rules.
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*/
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int
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xfs_trans_log_finish_refcount_update(
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struct xfs_trans *tp,
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struct xfs_cud_log_item *cudp,
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enum xfs_refcount_intent_type type,
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xfs_fsblock_t startblock,
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xfs_extlen_t blockcount,
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struct xfs_btree_cur **pcur)
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{
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int error;
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/* XXX: leave this empty for now */
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error = -EFSCORRUPTED;
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/*
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* Mark the transaction dirty, even on error. This ensures the
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* transaction is aborted, which:
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*
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* 1.) releases the CUI and frees the CUD
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* 2.) shuts down the filesystem
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*/
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tp->t_flags |= XFS_TRANS_DIRTY;
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cudp->cud_item.li_desc->lid_flags |= XFS_LID_DIRTY;
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return error;
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}
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