recovery.c (8be98d2f2a0a262f8bf8a0bc1fdf522b3c7aab17) recovery.c (b846f2d7e2d28ebfa112ac595bde2ef87693d8d9)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
4 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
5 */
6
7#include <linux/module.h>
8#include <linux/slab.h>

--- 41 unchanged lines hidden (view full) ---

50 *bh = gfs2_meta_ra(gl, dblock, extlen);
51
52 return error;
53}
54
55int gfs2_revoke_add(struct gfs2_jdesc *jd, u64 blkno, unsigned int where)
56{
57 struct list_head *head = &jd->jd_revoke_list;
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
4 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
5 */
6
7#include <linux/module.h>
8#include <linux/slab.h>

--- 41 unchanged lines hidden (view full) ---

50 *bh = gfs2_meta_ra(gl, dblock, extlen);
51
52 return error;
53}
54
55int gfs2_revoke_add(struct gfs2_jdesc *jd, u64 blkno, unsigned int where)
56{
57 struct list_head *head = &jd->jd_revoke_list;
58 struct gfs2_revoke_replay *rr;
59 int found = 0;
58 struct gfs2_revoke_replay *rr = NULL, *iter;
60
59
61 list_for_each_entry(rr, head, rr_list) {
62 if (rr->rr_blkno == blkno) {
63 found = 1;
60 list_for_each_entry(iter, head, rr_list) {
61 if (iter->rr_blkno == blkno) {
62 rr = iter;
64 break;
65 }
66 }
67
63 break;
64 }
65 }
66
68 if (found) {
67 if (rr) {
69 rr->rr_where = where;
70 return 0;
71 }
72
73 rr = kmalloc(sizeof(struct gfs2_revoke_replay), GFP_NOFS);
74 if (!rr)
75 return -ENOMEM;
76
77 rr->rr_blkno = blkno;
78 rr->rr_where = where;
79 list_add(&rr->rr_list, head);
80
81 return 1;
82}
83
84int gfs2_revoke_check(struct gfs2_jdesc *jd, u64 blkno, unsigned int where)
85{
68 rr->rr_where = where;
69 return 0;
70 }
71
72 rr = kmalloc(sizeof(struct gfs2_revoke_replay), GFP_NOFS);
73 if (!rr)
74 return -ENOMEM;
75
76 rr->rr_blkno = blkno;
77 rr->rr_where = where;
78 list_add(&rr->rr_list, head);
79
80 return 1;
81}
82
83int gfs2_revoke_check(struct gfs2_jdesc *jd, u64 blkno, unsigned int where)
84{
86 struct gfs2_revoke_replay *rr;
85 struct gfs2_revoke_replay *rr = NULL, *iter;
87 int wrap, a, b, revoke;
86 int wrap, a, b, revoke;
88 int found = 0;
89
87
90 list_for_each_entry(rr, &jd->jd_revoke_list, rr_list) {
91 if (rr->rr_blkno == blkno) {
92 found = 1;
88 list_for_each_entry(iter, &jd->jd_revoke_list, rr_list) {
89 if (iter->rr_blkno == blkno) {
90 rr = iter;
93 break;
94 }
95 }
96
91 break;
92 }
93 }
94
97 if (!found)
95 if (!rr)
98 return 0;
99
100 wrap = (rr->rr_where < jd->jd_replay_tail);
101 a = (jd->jd_replay_tail < where);
102 b = (where < rr->rr_where);
103 revoke = (wrap) ? (a || b) : (a && b);
104
105 return revoke;

--- 479 unchanged lines hidden --- 		96 return 0;
97
98 wrap = (rr->rr_where < jd->jd_replay_tail);
99 a = (jd->jd_replay_tail < where);
100 b = (where < rr->rr_where);
101 revoke = (wrap) ? (a || b) : (a && b);
102
103 return revoke;

--- 479 unchanged lines hidden ---