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, 2017, 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>
37 #include "lfsck_internal.h"
39 #define LFSCK_BOOKMARK_MAGIC 0x20130C1D
41 static void lfsck_bookmark_le_to_cpu(struct lfsck_bookmark *des,
42 struct lfsck_bookmark *src)
44 des->lb_magic = le32_to_cpu(src->lb_magic);
45 des->lb_version = le16_to_cpu(src->lb_version);
46 des->lb_param = le16_to_cpu(src->lb_param);
47 des->lb_speed_limit = le32_to_cpu(src->lb_speed_limit);
48 des->lb_async_windows = le16_to_cpu(src->lb_async_windows);
49 fid_le_to_cpu(&des->lb_lpf_fid, &src->lb_lpf_fid);
50 fid_le_to_cpu(&des->lb_last_fid, &src->lb_last_fid);
53 void lfsck_bookmark_cpu_to_le(struct lfsck_bookmark *des,
54 struct lfsck_bookmark *src)
56 des->lb_magic = cpu_to_le32(src->lb_magic);
57 des->lb_version = cpu_to_le16(src->lb_version);
58 des->lb_param = cpu_to_le16(src->lb_param);
59 des->lb_speed_limit = cpu_to_le32(src->lb_speed_limit);
60 des->lb_async_windows = cpu_to_le16(src->lb_async_windows);
61 fid_cpu_to_le(&des->lb_lpf_fid, &src->lb_lpf_fid);
62 fid_cpu_to_le(&des->lb_last_fid, &src->lb_last_fid);
65 static int lfsck_bookmark_load(const struct lu_env *env,
66 struct lfsck_instance *lfsck)
69 int len = sizeof(struct lfsck_bookmark);
72 rc = dt_record_read(env, lfsck->li_bookmark_obj,
73 lfsck_buf_get(env, &lfsck->li_bookmark_disk, len),
76 struct lfsck_bookmark *bm = &lfsck->li_bookmark_ram;
78 lfsck_bookmark_le_to_cpu(bm, &lfsck->li_bookmark_disk);
79 if (bm->lb_magic != LFSCK_BOOKMARK_MAGIC) {
80 CDEBUG(D_LFSCK, "%s: invalid lfsck_bookmark magic "
81 "%#x != %#x\n", lfsck_lfsck2name(lfsck),
82 bm->lb_magic, LFSCK_BOOKMARK_MAGIC);
83 /* Process it as new lfsck_bookmark. */
87 if (rc == -EFAULT && pos == 0)
88 /* return -ENODATA for empty lfsck_bookmark. */
91 CDEBUG(D_LFSCK, "%s: fail to load lfsck_bookmark, "
92 "expected = %d: rc = %d\n",
93 lfsck_lfsck2name(lfsck), len, rc);
98 int lfsck_bookmark_store(const struct lu_env *env, struct lfsck_instance *lfsck)
100 struct thandle *handle;
101 struct dt_object *obj = lfsck->li_bookmark_obj;
102 struct dt_device *dev = lfsck_obj2dev(obj);
104 int len = sizeof(struct lfsck_bookmark);
108 lfsck_bookmark_cpu_to_le(&lfsck->li_bookmark_disk,
109 &lfsck->li_bookmark_ram);
110 handle = dt_trans_create(env, dev);
112 GOTO(log, rc = PTR_ERR(handle));
114 rc = dt_declare_record_write(env, obj,
116 &lfsck->li_bookmark_disk, len),
121 rc = dt_trans_start_local(env, dev, handle);
125 rc = dt_record_write(env, obj,
126 lfsck_buf_get(env, &lfsck->li_bookmark_disk, len),
132 dt_trans_stop(env, dev, handle);
136 CDEBUG(D_LFSCK, "%s: fail to store lfsck_bookmark: rc = %d\n",
137 lfsck_lfsck2name(lfsck), rc);
141 static int lfsck_bookmark_init(const struct lu_env *env,
142 struct lfsck_instance *lfsck)
144 struct lfsck_bookmark *mb = &lfsck->li_bookmark_ram;
147 memset(mb, 0, sizeof(*mb));
148 mb->lb_magic = LFSCK_BOOKMARK_MAGIC;
149 mb->lb_version = LFSCK_VERSION_V2;
150 mb->lb_async_windows = LFSCK_ASYNC_WIN_DEFAULT;
151 mutex_lock(&lfsck->li_mutex);
152 rc = lfsck_bookmark_store(env, lfsck);
153 mutex_unlock(&lfsck->li_mutex);
157 int lfsck_bookmark_setup(const struct lu_env *env,
158 struct lfsck_instance *lfsck)
160 struct dt_object *root;
161 struct dt_object *obj;
165 root = dt_locate(env, lfsck->li_bottom, &lfsck->li_local_root_fid);
167 RETURN(PTR_ERR(root));
169 if (unlikely(!dt_try_as_dir(env, root, true))) {
170 lfsck_object_put(env, root);
175 obj = local_file_find_or_create(env, lfsck->li_los, root,
177 S_IFREG | S_IRUGO | S_IWUSR);
178 lfsck_object_put(env, root);
180 RETURN(PTR_ERR(obj));
182 lfsck->li_bookmark_obj = obj;
183 rc = lfsck_bookmark_load(env, lfsck);
185 struct lfsck_bookmark *mb = &lfsck->li_bookmark_ram;
187 /* It is upgraded from old release, set it as
188 * LFSCK_ASYNC_WIN_DEFAULT to avoid memory pressure. */
189 if (unlikely(mb->lb_async_windows == 0)) {
190 mb->lb_async_windows = LFSCK_ASYNC_WIN_DEFAULT;
191 mutex_lock(&lfsck->li_mutex);
192 rc = lfsck_bookmark_store(env, lfsck);
193 mutex_unlock(&lfsck->li_mutex);
195 } else if (rc == -ENODATA) {
196 rc = lfsck_bookmark_init(env, lfsck);
202 int lfsck_set_param(const struct lu_env *env, struct lfsck_instance *lfsck,
203 struct lfsck_start *start, bool reset)
205 struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
212 if (bk->lb_param & LPF_ALL_TGT) {
213 bk->lb_param &= ~LPF_ALL_TGT;
217 if (bk->lb_param & LPF_CREATE_OSTOBJ) {
218 bk->lb_param &= ~LPF_CREATE_OSTOBJ;
222 if (bk->lb_param & LPF_CREATE_MDTOBJ) {
223 bk->lb_param &= ~LPF_CREATE_MDTOBJ;
227 if (bk->lb_param & LPF_DELAY_CREATE_OSTOBJ) {
228 bk->lb_param &= ~LPF_DELAY_CREATE_OSTOBJ;
232 if (bk->lb_param & LPF_FAILOUT) {
233 bk->lb_param &= ~LPF_FAILOUT;
237 if (bk->lb_param & LPF_DRYRUN) {
238 bk->lb_param &= ~LPF_DRYRUN;
242 if (bk->lb_param & LPF_OST_ORPHAN) {
243 bk->lb_param &= ~LPF_OST_ORPHAN;
247 if (__lfsck_set_speed(lfsck, LFSCK_SPEED_NO_LIMIT))
250 if (bk->lb_async_windows != LFSCK_ASYNC_WIN_DEFAULT) {
251 bk->lb_async_windows = LFSCK_ASYNC_WIN_DEFAULT;
255 if ((bk->lb_param & LPF_ALL_TGT) &&
256 !(start->ls_flags & LPF_ALL_TGT)) {
257 bk->lb_param &= ~LPF_ALL_TGT;
259 } else if (!(bk->lb_param & LPF_ALL_TGT) &&
260 (start->ls_flags & LPF_ALL_TGT)) {
261 bk->lb_param |= LPF_ALL_TGT;
265 if ((bk->lb_param & LPF_OST_ORPHAN) &&
266 !(start->ls_flags & LPF_OST_ORPHAN)) {
267 bk->lb_param &= ~LPF_OST_ORPHAN;
269 } else if (!(bk->lb_param & LPF_OST_ORPHAN) &&
270 (start->ls_flags & LPF_OST_ORPHAN)) {
271 bk->lb_param |= LPF_OST_ORPHAN;
275 if ((start->ls_valid & LSV_CREATE_OSTOBJ) || reset) {
276 if ((bk->lb_param & LPF_CREATE_OSTOBJ) &&
277 !(start->ls_flags & LPF_CREATE_OSTOBJ)) {
278 bk->lb_param &= ~LPF_CREATE_OSTOBJ;
280 } else if (!(bk->lb_param & LPF_CREATE_OSTOBJ) &&
281 (start->ls_flags & LPF_CREATE_OSTOBJ)) {
282 bk->lb_param |= LPF_CREATE_OSTOBJ;
287 if ((start->ls_valid & LSV_CREATE_MDTOBJ) || reset) {
288 if ((bk->lb_param & LPF_CREATE_MDTOBJ) &&
289 !(start->ls_flags & LPF_CREATE_MDTOBJ)) {
290 bk->lb_param &= ~LPF_CREATE_MDTOBJ;
292 } else if (!(bk->lb_param & LPF_CREATE_MDTOBJ) &&
293 (start->ls_flags & LPF_CREATE_MDTOBJ)) {
294 bk->lb_param |= LPF_CREATE_MDTOBJ;
299 if ((start->ls_valid & LSV_DELAY_CREATE_OSTOBJ) || reset) {
300 if ((bk->lb_param & LPF_DELAY_CREATE_OSTOBJ) &&
301 !(start->ls_flags & LPF_DELAY_CREATE_OSTOBJ)) {
302 bk->lb_param &= ~LPF_DELAY_CREATE_OSTOBJ;
304 } else if (!(bk->lb_param & LPF_DELAY_CREATE_OSTOBJ) &&
305 start->ls_flags & LPF_DELAY_CREATE_OSTOBJ) {
306 bk->lb_param |= LPF_DELAY_CREATE_OSTOBJ;
311 if ((start->ls_valid & LSV_ERROR_HANDLE) || reset) {
312 if ((bk->lb_param & LPF_FAILOUT) &&
313 !(start->ls_flags & LPF_FAILOUT)) {
314 bk->lb_param &= ~LPF_FAILOUT;
316 } else if (!(bk->lb_param & LPF_FAILOUT) &&
317 (start->ls_flags & LPF_FAILOUT)) {
318 bk->lb_param |= LPF_FAILOUT;
323 if ((start->ls_valid & LSV_DRYRUN) || reset) {
324 if ((bk->lb_param & LPF_DRYRUN) &&
325 !(start->ls_flags & LPF_DRYRUN)) {
326 bk->lb_param &= ~LPF_DRYRUN;
327 lfsck->li_drop_dryrun = 1;
329 } else if (!(bk->lb_param & LPF_DRYRUN) &&
330 (start->ls_flags & LPF_DRYRUN)) {
331 bk->lb_param |= LPF_DRYRUN;
336 if (start->ls_valid & LSV_SPEED_LIMIT) {
337 if (__lfsck_set_speed(lfsck, start->ls_speed_limit))
340 if (__lfsck_set_speed(lfsck, LFSCK_SPEED_NO_LIMIT))
344 if (start->ls_valid & LSV_ASYNC_WINDOWS) {
345 if (start->ls_async_windows < 1)
348 if (bk->lb_async_windows != start->ls_async_windows) {
349 bk->lb_async_windows = start->ls_async_windows;
353 bk->lb_async_windows != LFSCK_ASYNC_WIN_DEFAULT) {
354 bk->lb_async_windows = LFSCK_ASYNC_WIN_DEFAULT;
360 rc = lfsck_bookmark_store(env, lfsck);