2 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include "xfs_types.h"
23 #include "xfs_trans.h"
26 #include "xfs_mount.h"
27 #include "xfs_trans_priv.h"
28 #include "xfs_extfree_item.h"
31 * This routine is called to allocate an "extent free intention"
32 * log item that will hold nextents worth of extents. The
33 * caller must use all nextents extents, because we are not
34 * flexible about this at all.
37 xfs_trans_get_efi(xfs_trans_t *tp,
40 xfs_efi_log_item_t *efip;
45 efip = xfs_efi_init(tp->t_mountp, nextents);
49 * Get a log_item_desc to point at the new item.
51 xfs_trans_add_item(tp, &efip->efi_item);
56 * This routine is called to indicate that the described
57 * extent is to be logged as needing to be freed. It should
58 * be called once for each extent to be freed.
61 xfs_trans_log_efi_extent(xfs_trans_t *tp,
62 xfs_efi_log_item_t *efip,
63 xfs_fsblock_t start_block,
69 tp->t_flags |= XFS_TRANS_DIRTY;
70 efip->efi_item.li_desc->lid_flags |= XFS_LID_DIRTY;
72 next_extent = efip->efi_next_extent;
73 ASSERT(next_extent < efip->efi_format.efi_nextents);
74 extp = &(efip->efi_format.efi_extents[next_extent]);
75 extp->ext_start = start_block;
76 extp->ext_len = ext_len;
77 efip->efi_next_extent++;
82 * This routine is called to allocate an "extent free done"
83 * log item that will hold nextents worth of extents. The
84 * caller must use all nextents extents, because we are not
85 * flexible about this at all.
88 xfs_trans_get_efd(xfs_trans_t *tp,
89 xfs_efi_log_item_t *efip,
92 xfs_efd_log_item_t *efdp;
97 efdp = xfs_efd_init(tp->t_mountp, efip, nextents);
101 * Get a log_item_desc to point at the new item.
103 xfs_trans_add_item(tp, &efdp->efd_item);
108 * This routine is called to indicate that the described
109 * extent is to be logged as having been freed. It should
110 * be called once for each extent freed.
113 xfs_trans_log_efd_extent(xfs_trans_t *tp,
114 xfs_efd_log_item_t *efdp,
115 xfs_fsblock_t start_block,
116 xfs_extlen_t ext_len)
121 tp->t_flags |= XFS_TRANS_DIRTY;
122 efdp->efd_item.li_desc->lid_flags |= XFS_LID_DIRTY;
124 next_extent = efdp->efd_next_extent;
125 ASSERT(next_extent < efdp->efd_format.efd_nextents);
126 extp = &(efdp->efd_format.efd_extents[next_extent]);
127 extp->ext_start = start_block;
128 extp->ext_len = ext_len;
129 efdp->efd_next_extent++;