4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License version 2 for more details. A copy is
14 * included in the COPYING file that accompanied this code.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 * Copyright (c) 2013, 2014, Intel Corporation.
26 * lustre/lfsck/lfsck_bookmark.c
28 * Author: Fan, Yong <fan.yong@intel.com>
31 #define DEBUG_SUBSYSTEM S_LFSCK
33 #include <lu_object.h>
34 #include <dt_object.h>
35 #include <lustre_fid.h>
36 #include <lustre/lustre_user.h>
38 #include "lfsck_internal.h"
40 #define LFSCK_BOOKMARK_MAGIC 0x20130C1D
42 static const char lfsck_bookmark_name[] = "lfsck_bookmark";
44 static void lfsck_bookmark_le_to_cpu(struct lfsck_bookmark *des,
45 struct lfsck_bookmark *src)
47 des->lb_magic = le32_to_cpu(src->lb_magic);
48 des->lb_version = le16_to_cpu(src->lb_version);
49 des->lb_param = le16_to_cpu(src->lb_param);
50 des->lb_speed_limit = le32_to_cpu(src->lb_speed_limit);
51 des->lb_async_windows = le16_to_cpu(src->lb_async_windows);
52 fid_le_to_cpu(&des->lb_lpf_fid, &src->lb_lpf_fid);
53 fid_le_to_cpu(&des->lb_last_fid, &src->lb_last_fid);
56 void lfsck_bookmark_cpu_to_le(struct lfsck_bookmark *des,
57 struct lfsck_bookmark *src)
59 des->lb_magic = cpu_to_le32(src->lb_magic);
60 des->lb_version = cpu_to_le16(src->lb_version);
61 des->lb_param = cpu_to_le16(src->lb_param);
62 des->lb_speed_limit = cpu_to_le32(src->lb_speed_limit);
63 des->lb_async_windows = cpu_to_le16(src->lb_async_windows);
64 fid_cpu_to_le(&des->lb_lpf_fid, &src->lb_lpf_fid);
65 fid_cpu_to_le(&des->lb_last_fid, &src->lb_last_fid);
68 static int lfsck_bookmark_load(const struct lu_env *env,
69 struct lfsck_instance *lfsck)
72 int len = sizeof(struct lfsck_bookmark);
75 rc = dt_record_read(env, lfsck->li_bookmark_obj,
76 lfsck_buf_get(env, &lfsck->li_bookmark_disk, len),
79 struct lfsck_bookmark *bm = &lfsck->li_bookmark_ram;
81 lfsck_bookmark_le_to_cpu(bm, &lfsck->li_bookmark_disk);
82 if (bm->lb_magic != LFSCK_BOOKMARK_MAGIC) {
83 CDEBUG(D_LFSCK, "%s: invalid lfsck_bookmark magic "
84 "%#x != %#x\n", lfsck_lfsck2name(lfsck),
85 bm->lb_magic, LFSCK_BOOKMARK_MAGIC);
86 /* Process it as new lfsck_bookmark. */
90 if (rc == -EFAULT && pos == 0)
91 /* return -ENODATA for empty lfsck_bookmark. */
94 CDEBUG(D_LFSCK, "%s: fail to load lfsck_bookmark, "
95 "expected = %d: rc = %d\n",
96 lfsck_lfsck2name(lfsck), len, rc);
101 int lfsck_bookmark_store(const struct lu_env *env, struct lfsck_instance *lfsck)
103 struct thandle *handle;
104 struct dt_object *obj = lfsck->li_bookmark_obj;
106 int len = sizeof(struct lfsck_bookmark);
110 lfsck_bookmark_cpu_to_le(&lfsck->li_bookmark_disk,
111 &lfsck->li_bookmark_ram);
112 handle = dt_trans_create(env, lfsck->li_bottom);
114 GOTO(log, rc = PTR_ERR(handle));
116 rc = dt_declare_record_write(env, obj,
118 &lfsck->li_bookmark_disk, len),
123 rc = dt_trans_start_local(env, lfsck->li_bottom, handle);
127 rc = dt_record_write(env, obj,
128 lfsck_buf_get(env, &lfsck->li_bookmark_disk, len),
134 dt_trans_stop(env, lfsck->li_bottom, handle);
138 CDEBUG(D_LFSCK, "%s: fail to store lfsck_bookmark: rc = %d\n",
139 lfsck_lfsck2name(lfsck), rc);
143 static int lfsck_bookmark_init(const struct lu_env *env,
144 struct lfsck_instance *lfsck)
146 struct lfsck_bookmark *mb = &lfsck->li_bookmark_ram;
149 memset(mb, 0, sizeof(*mb));
150 mb->lb_magic = LFSCK_BOOKMARK_MAGIC;
151 mb->lb_version = LFSCK_VERSION_V2;
152 mb->lb_async_windows = LFSCK_ASYNC_WIN_DEFAULT;
153 mutex_lock(&lfsck->li_mutex);
154 rc = lfsck_bookmark_store(env, lfsck);
155 mutex_unlock(&lfsck->li_mutex);
159 int lfsck_bookmark_setup(const struct lu_env *env,
160 struct lfsck_instance *lfsck)
162 struct dt_object *root;
163 struct dt_object *obj;
167 root = dt_locate(env, lfsck->li_bottom, &lfsck->li_local_root_fid);
169 RETURN(PTR_ERR(root));
171 if (unlikely(!dt_try_as_dir(env, root))) {
172 lu_object_put(env, &root->do_lu);
177 obj = local_file_find_or_create(env, lfsck->li_los, root,
179 S_IFREG | S_IRUGO | S_IWUSR);
180 lu_object_put(env, &root->do_lu);
182 RETURN(PTR_ERR(obj));
184 lfsck->li_bookmark_obj = obj;
185 rc = lfsck_bookmark_load(env, lfsck);
187 rc = lfsck_bookmark_init(env, lfsck);
192 int lfsck_set_param(const struct lu_env *env, struct lfsck_instance *lfsck,
193 struct lfsck_start *start, bool reset)
195 struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
202 if (bk->lb_param & LPF_ALL_TGT) {
203 bk->lb_param &= ~LPF_ALL_TGT;
207 if (bk->lb_param & LPF_CREATE_OSTOBJ) {
208 bk->lb_param &= ~LPF_CREATE_OSTOBJ;
212 if (bk->lb_param & LPF_CREATE_MDTOBJ) {
213 bk->lb_param &= ~LPF_CREATE_MDTOBJ;
217 if (bk->lb_param & LPF_FAILOUT) {
218 bk->lb_param &= ~LPF_FAILOUT;
222 if (bk->lb_param & LPF_DRYRUN) {
223 bk->lb_param &= ~LPF_DRYRUN;
227 if (bk->lb_param & LPF_OST_ORPHAN) {
228 bk->lb_param &= ~LPF_OST_ORPHAN;
232 if (__lfsck_set_speed(lfsck, LFSCK_SPEED_NO_LIMIT))
235 if (bk->lb_async_windows != LFSCK_ASYNC_WIN_DEFAULT) {
236 bk->lb_async_windows = LFSCK_ASYNC_WIN_DEFAULT;
240 if ((bk->lb_param & LPF_ALL_TGT) &&
241 !(start->ls_flags & LPF_ALL_TGT)) {
242 bk->lb_param &= ~LPF_ALL_TGT;
244 } else if (!(bk->lb_param & LPF_ALL_TGT) &&
245 (start->ls_flags & LPF_ALL_TGT)) {
246 bk->lb_param |= LPF_ALL_TGT;
250 if ((start->ls_valid & LSV_CREATE_OSTOBJ) || reset) {
251 if ((bk->lb_param & LPF_CREATE_OSTOBJ) &&
252 !(start->ls_valid & LSV_CREATE_OSTOBJ)) {
253 bk->lb_param &= ~LPF_CREATE_OSTOBJ;
255 } else if (!(bk->lb_param & LPF_CREATE_OSTOBJ) &&
256 (start->ls_flags & LPF_CREATE_OSTOBJ)) {
257 bk->lb_param |= LPF_CREATE_OSTOBJ;
262 if ((start->ls_valid & LSV_CREATE_MDTOBJ) || reset) {
263 if ((bk->lb_param & LPF_CREATE_MDTOBJ) &&
264 !(start->ls_valid & LSV_CREATE_MDTOBJ)) {
265 bk->lb_param &= ~LPF_CREATE_MDTOBJ;
267 } else if (!(bk->lb_param & LPF_CREATE_MDTOBJ) &&
268 (start->ls_flags & LPF_CREATE_MDTOBJ)) {
269 bk->lb_param |= LPF_CREATE_MDTOBJ;
274 if ((start->ls_valid & LSV_ERROR_HANDLE) || reset) {
275 if ((bk->lb_param & LPF_FAILOUT) &&
276 !(start->ls_valid & LSV_ERROR_HANDLE)) {
277 bk->lb_param &= ~LPF_FAILOUT;
279 } else if (!(start->ls_flags & LPF_FAILOUT) &&
280 (bk->lb_param & LPF_FAILOUT)) {
281 bk->lb_param &= ~LPF_FAILOUT;
286 if ((start->ls_valid & LSV_DRYRUN) || reset) {
287 if ((bk->lb_param & LPF_DRYRUN) &&
288 !(start->ls_valid & LSV_DRYRUN)) {
289 bk->lb_param &= ~LPF_DRYRUN;
291 } else if (!(start->ls_flags & LPF_DRYRUN) &&
292 (bk->lb_param & LPF_DRYRUN)) {
293 bk->lb_param &= ~LPF_DRYRUN;
294 lfsck->li_drop_dryrun = 1;
299 if ((bk->lb_param & LPF_OST_ORPHAN) &&
300 !(start->ls_flags & LPF_OST_ORPHAN)) {
301 bk->lb_param &= ~LPF_OST_ORPHAN;
303 } else if (!(bk->lb_param & LPF_OST_ORPHAN) &&
304 (start->ls_flags & LPF_OST_ORPHAN)) {
305 bk->lb_param |= LPF_OST_ORPHAN;
309 if (start->ls_valid & LSV_SPEED_LIMIT) {
310 if (__lfsck_set_speed(lfsck, start->ls_speed_limit))
313 if (__lfsck_set_speed(lfsck, LFSCK_SPEED_NO_LIMIT))
317 if (start->ls_valid & LSV_ASYNC_WINDOWS) {
318 if (bk->lb_async_windows != start->ls_async_windows) {
319 bk->lb_async_windows = start->ls_async_windows;
323 bk->lb_async_windows != LFSCK_ASYNC_WIN_DEFAULT) {
324 bk->lb_async_windows = LFSCK_ASYNC_WIN_DEFAULT;
330 rc = lfsck_bookmark_store(env, lfsck);