Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
7b718769 NS |
2 | * Copyright (c) 2000,2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
7b718769 NS |
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 | |
1da177e4 LT |
7 | * published by the Free Software Foundation. |
8 | * | |
7b718769 NS |
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. | |
1da177e4 | 13 | * |
7b718769 NS |
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 | |
1da177e4 | 17 | */ |
1da177e4 | 18 | #include "xfs.h" |
a844f451 | 19 | #include "xfs_fs.h" |
1da177e4 | 20 | #include "xfs_types.h" |
1da177e4 | 21 | #include "xfs_log.h" |
a844f451 | 22 | #include "xfs_inum.h" |
1da177e4 LT |
23 | #include "xfs_trans.h" |
24 | #include "xfs_sb.h" | |
25 | #include "xfs_dir.h" | |
26 | #include "xfs_dmapi.h" | |
27 | #include "xfs_mount.h" | |
28 | #include "xfs_trans_priv.h" | |
29 | #include "xfs_extfree_item.h" | |
30 | ||
31 | /* | |
32 | * This routine is called to allocate an "extent free intention" | |
33 | * log item that will hold nextents worth of extents. The | |
34 | * caller must use all nextents extents, because we are not | |
35 | * flexible about this at all. | |
36 | */ | |
37 | xfs_efi_log_item_t * | |
38 | xfs_trans_get_efi(xfs_trans_t *tp, | |
39 | uint nextents) | |
40 | { | |
41 | xfs_efi_log_item_t *efip; | |
42 | ||
43 | ASSERT(tp != NULL); | |
44 | ASSERT(nextents > 0); | |
45 | ||
46 | efip = xfs_efi_init(tp->t_mountp, nextents); | |
47 | ASSERT(efip != NULL); | |
48 | ||
49 | /* | |
50 | * Get a log_item_desc to point at the new item. | |
51 | */ | |
52 | (void) xfs_trans_add_item(tp, (xfs_log_item_t*)efip); | |
53 | ||
54 | return (efip); | |
55 | } | |
56 | ||
57 | /* | |
58 | * This routine is called to indicate that the described | |
59 | * extent is to be logged as needing to be freed. It should | |
60 | * be called once for each extent to be freed. | |
61 | */ | |
62 | void | |
63 | xfs_trans_log_efi_extent(xfs_trans_t *tp, | |
64 | xfs_efi_log_item_t *efip, | |
65 | xfs_fsblock_t start_block, | |
66 | xfs_extlen_t ext_len) | |
67 | { | |
68 | xfs_log_item_desc_t *lidp; | |
69 | uint next_extent; | |
70 | xfs_extent_t *extp; | |
71 | ||
72 | lidp = xfs_trans_find_item(tp, (xfs_log_item_t*)efip); | |
73 | ASSERT(lidp != NULL); | |
74 | ||
75 | tp->t_flags |= XFS_TRANS_DIRTY; | |
76 | lidp->lid_flags |= XFS_LID_DIRTY; | |
77 | ||
78 | next_extent = efip->efi_next_extent; | |
79 | ASSERT(next_extent < efip->efi_format.efi_nextents); | |
80 | extp = &(efip->efi_format.efi_extents[next_extent]); | |
81 | extp->ext_start = start_block; | |
82 | extp->ext_len = ext_len; | |
83 | efip->efi_next_extent++; | |
84 | } | |
85 | ||
86 | ||
87 | /* | |
88 | * This routine is called to allocate an "extent free done" | |
89 | * log item that will hold nextents worth of extents. The | |
90 | * caller must use all nextents extents, because we are not | |
91 | * flexible about this at all. | |
92 | */ | |
93 | xfs_efd_log_item_t * | |
94 | xfs_trans_get_efd(xfs_trans_t *tp, | |
95 | xfs_efi_log_item_t *efip, | |
96 | uint nextents) | |
97 | { | |
98 | xfs_efd_log_item_t *efdp; | |
99 | ||
100 | ASSERT(tp != NULL); | |
101 | ASSERT(nextents > 0); | |
102 | ||
103 | efdp = xfs_efd_init(tp->t_mountp, efip, nextents); | |
104 | ASSERT(efdp != NULL); | |
105 | ||
106 | /* | |
107 | * Get a log_item_desc to point at the new item. | |
108 | */ | |
109 | (void) xfs_trans_add_item(tp, (xfs_log_item_t*)efdp); | |
110 | ||
111 | return (efdp); | |
112 | } | |
113 | ||
114 | /* | |
115 | * This routine is called to indicate that the described | |
116 | * extent is to be logged as having been freed. It should | |
117 | * be called once for each extent freed. | |
118 | */ | |
119 | void | |
120 | xfs_trans_log_efd_extent(xfs_trans_t *tp, | |
121 | xfs_efd_log_item_t *efdp, | |
122 | xfs_fsblock_t start_block, | |
123 | xfs_extlen_t ext_len) | |
124 | { | |
125 | xfs_log_item_desc_t *lidp; | |
126 | uint next_extent; | |
127 | xfs_extent_t *extp; | |
128 | ||
129 | lidp = xfs_trans_find_item(tp, (xfs_log_item_t*)efdp); | |
130 | ASSERT(lidp != NULL); | |
131 | ||
132 | tp->t_flags |= XFS_TRANS_DIRTY; | |
133 | lidp->lid_flags |= XFS_LID_DIRTY; | |
134 | ||
135 | next_extent = efdp->efd_next_extent; | |
136 | ASSERT(next_extent < efdp->efd_format.efd_nextents); | |
137 | extp = &(efdp->efd_format.efd_extents[next_extent]); | |
138 | extp->ext_start = start_block; | |
139 | extp->ext_len = ext_len; | |
140 | efdp->efd_next_extent++; | |
141 | } |