You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
141 lines
3.6 KiB
141 lines
3.6 KiB
/*
|
|
* 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_types.h"
|
|
#include "xfs_log.h"
|
|
#include "xfs_inum.h"
|
|
#include "xfs_trans.h"
|
|
#include "xfs_sb.h"
|
|
#include "xfs_dir.h"
|
|
#include "xfs_dmapi.h"
|
|
#include "xfs_mount.h"
|
|
#include "xfs_trans_priv.h"
|
|
#include "xfs_extfree_item.h"
|
|
|
|
/*
|
|
* This routine is called to allocate an "extent free intention"
|
|
* log item that will hold nextents worth of extents. The
|
|
* caller must use all nextents extents, because we are not
|
|
* flexible about this at all.
|
|
*/
|
|
xfs_efi_log_item_t *
|
|
xfs_trans_get_efi(xfs_trans_t *tp,
|
|
uint nextents)
|
|
{
|
|
xfs_efi_log_item_t *efip;
|
|
|
|
ASSERT(tp != NULL);
|
|
ASSERT(nextents > 0);
|
|
|
|
efip = xfs_efi_init(tp->t_mountp, nextents);
|
|
ASSERT(efip != NULL);
|
|
|
|
/*
|
|
* Get a log_item_desc to point at the new item.
|
|
*/
|
|
(void) xfs_trans_add_item(tp, (xfs_log_item_t*)efip);
|
|
|
|
return (efip);
|
|
}
|
|
|
|
/*
|
|
* This routine is called to indicate that the described
|
|
* extent is to be logged as needing to be freed. It should
|
|
* be called once for each extent to be freed.
|
|
*/
|
|
void
|
|
xfs_trans_log_efi_extent(xfs_trans_t *tp,
|
|
xfs_efi_log_item_t *efip,
|
|
xfs_fsblock_t start_block,
|
|
xfs_extlen_t ext_len)
|
|
{
|
|
xfs_log_item_desc_t *lidp;
|
|
uint next_extent;
|
|
xfs_extent_t *extp;
|
|
|
|
lidp = xfs_trans_find_item(tp, (xfs_log_item_t*)efip);
|
|
ASSERT(lidp != NULL);
|
|
|
|
tp->t_flags |= XFS_TRANS_DIRTY;
|
|
lidp->lid_flags |= XFS_LID_DIRTY;
|
|
|
|
next_extent = efip->efi_next_extent;
|
|
ASSERT(next_extent < efip->efi_format.efi_nextents);
|
|
extp = &(efip->efi_format.efi_extents[next_extent]);
|
|
extp->ext_start = start_block;
|
|
extp->ext_len = ext_len;
|
|
efip->efi_next_extent++;
|
|
}
|
|
|
|
|
|
/*
|
|
* This routine is called to allocate an "extent free done"
|
|
* log item that will hold nextents worth of extents. The
|
|
* caller must use all nextents extents, because we are not
|
|
* flexible about this at all.
|
|
*/
|
|
xfs_efd_log_item_t *
|
|
xfs_trans_get_efd(xfs_trans_t *tp,
|
|
xfs_efi_log_item_t *efip,
|
|
uint nextents)
|
|
{
|
|
xfs_efd_log_item_t *efdp;
|
|
|
|
ASSERT(tp != NULL);
|
|
ASSERT(nextents > 0);
|
|
|
|
efdp = xfs_efd_init(tp->t_mountp, efip, nextents);
|
|
ASSERT(efdp != NULL);
|
|
|
|
/*
|
|
* Get a log_item_desc to point at the new item.
|
|
*/
|
|
(void) xfs_trans_add_item(tp, (xfs_log_item_t*)efdp);
|
|
|
|
return (efdp);
|
|
}
|
|
|
|
/*
|
|
* This routine is called to indicate that the described
|
|
* extent is to be logged as having been freed. It should
|
|
* be called once for each extent freed.
|
|
*/
|
|
void
|
|
xfs_trans_log_efd_extent(xfs_trans_t *tp,
|
|
xfs_efd_log_item_t *efdp,
|
|
xfs_fsblock_t start_block,
|
|
xfs_extlen_t ext_len)
|
|
{
|
|
xfs_log_item_desc_t *lidp;
|
|
uint next_extent;
|
|
xfs_extent_t *extp;
|
|
|
|
lidp = xfs_trans_find_item(tp, (xfs_log_item_t*)efdp);
|
|
ASSERT(lidp != NULL);
|
|
|
|
tp->t_flags |= XFS_TRANS_DIRTY;
|
|
lidp->lid_flags |= XFS_LID_DIRTY;
|
|
|
|
next_extent = efdp->efd_next_extent;
|
|
ASSERT(next_extent < efdp->efd_format.efd_nextents);
|
|
extp = &(efdp->efd_format.efd_extents[next_extent]);
|
|
extp->ext_start = start_block;
|
|
extp->ext_len = ext_len;
|
|
efdp->efd_next_extent++;
|
|
}
|
|
|