#include <lu_object.h>
#include <dt_object.h>
+enum lfsck_status {
+ /* The lfsck file is new created, for new MDT, upgrading from old disk,
+ * or re-creating the lfsck file manually. */
+ LS_INIT = 0,
+
+ /* The first-step system scanning. */
+ LS_SCANNING_PHASE1 = 1,
+
+ /* The second-step system scanning. */
+ LS_SCANNING_PHASE2 = 2,
+
+ /* The LFSCK processing has completed for all objects. */
+ LS_COMPLETED = 3,
+
+ /* The LFSCK exited automatically for failure, will not auto restart. */
+ LS_FAILED = 4,
+
+ /* The LFSCK is stopped manually, will not auto restart. */
+ LS_STOPPED = 5,
+
+ /* LFSCK is paused automatically when umount,
+ * will be restarted automatically when remount. */
+ LS_PAUSED = 6,
+
+ /* System crashed during the LFSCK,
+ * will be restarted automatically after recovery. */
+ LS_CRASHED = 7,
+
+ /* Some OST/MDT failed during the LFSCK, or not join the LFSCK. */
+ LS_PARTIAL = 8,
+
+ LS_MAX
+};
+
struct lfsck_start_param {
struct lfsck_start *lsp_start;
struct ldlm_namespace *lsp_namespace;
int lfsck_get_speed(struct dt_device *key, void *buf, int len);
int lfsck_set_speed(struct dt_device *key, int val);
-int lfsck_dump(struct dt_device *key, void *buf, int len, __u16 type);
+int lfsck_dump(struct dt_device *key, void *buf, int len, enum lfsck_type type);
#endif /* _LUSTRE_LFSCK_H */
MODULES := lfsck
lfsck-objs := lfsck_lib.o lfsck_engine.o lfsck_bookmark.o lfsck_namespace.o
+lfsck-objs += lfsck_layout.o
@INCLUDE_RULES@
lfsck_bookmark_le_to_cpu(bm, &lfsck->li_bookmark_disk);
if (bm->lb_magic != LFSCK_BOOKMARK_MAGIC) {
- CWARN("%.16s: invalid lfsck_bookmark magic "
- "0x%x != 0x%x\n", lfsck_lfsck2name(lfsck),
- bm->lb_magic, LFSCK_BOOKMARK_MAGIC);
+ CWARN("%s: invalid lfsck_bookmark magic %#x != %#x\n",
+ lfsck_lfsck2name(lfsck), bm->lb_magic,
+ LFSCK_BOOKMARK_MAGIC);
/* Process it as new lfsck_bookmark. */
rc = -ENODATA;
}
/* return -ENODATA for empty lfsck_bookmark. */
rc = -ENODATA;
else
- CERROR("%.16s: fail to load lfsck_bookmark, "
+ CERROR("%s: fail to load lfsck_bookmark: "
"expected = %d, rc = %d\n",
lfsck_lfsck2name(lfsck), len, rc);
}
handle = dt_trans_create(env, lfsck->li_bottom);
if (IS_ERR(handle)) {
rc = PTR_ERR(handle);
- CERROR("%.16s: fail to create trans for storing "
- "lfsck_bookmark: %d\n,", lfsck_lfsck2name(lfsck), rc);
+ CERROR("%s: fail to create trans for storing lfsck_bookmark: "
+ "rc = %d\n", lfsck_lfsck2name(lfsck), rc);
RETURN(rc);
}
rc = dt_declare_record_write(env, obj, len, 0, handle);
if (rc != 0) {
- CERROR("%.16s: fail to declare trans for storing "
- "lfsck_bookmark: %d\n,", lfsck_lfsck2name(lfsck), rc);
+ CERROR("%s: fail to declare trans for storing lfsck_bookmark: "
+ "rc = %d\n", lfsck_lfsck2name(lfsck), rc);
GOTO(out, rc);
}
rc = dt_trans_start_local(env, lfsck->li_bottom, handle);
if (rc != 0) {
- CERROR("%.16s: fail to start trans for storing "
- "lfsck_bookmark: %d\n,", lfsck_lfsck2name(lfsck), rc);
+ CERROR("%s: fail to start trans for storing lfsck_bookmark: "
+ "rc = %d\n", lfsck_lfsck2name(lfsck), rc);
GOTO(out, rc);
}
lfsck_buf_get(env, &lfsck->li_bookmark_disk, len),
&pos, handle);
if (rc != 0)
- CERROR("%.16s: fail to store lfsck_bookmark, expected = %d, "
+ CERROR("%s: fail to store lfsck_bookmark: expected = %d, "
"rc = %d\n", lfsck_lfsck2name(lfsck), len, rc);
GOTO(out, rc);
if (IS_ERR(root))
RETURN(PTR_ERR(root));
- dt_try_as_dir(env, root);
+ if (unlikely(!dt_try_as_dir(env, root))) {
+ lu_object_put(env, &root->do_lu);
+
+ RETURN(-ENOTDIR);
+ }
+
obj = local_file_find_or_create(env, lfsck->li_los, root,
lfsck_bookmark_name,
S_IFREG | S_IRUGO | S_IWUSR);
int lfsck_master_engine(void *args)
{
- struct lu_env env;
- struct lfsck_instance *lfsck = (struct lfsck_instance *)args;
- struct ptlrpc_thread *thread = &lfsck->li_thread;
- struct dt_object *oit_obj = lfsck->li_obj_oit;
- const struct dt_it_ops *oit_iops = &oit_obj->do_index_ops->dio_it;
- struct dt_it *oit_di;
- int rc;
+ struct lfsck_thread_args *lta = args;
+ struct lu_env *env = <a->lta_env;
+ struct lfsck_instance *lfsck = lta->lta_lfsck;
+ struct ptlrpc_thread *thread = &lfsck->li_thread;
+ struct dt_object *oit_obj = lfsck->li_obj_oit;
+ const struct dt_it_ops *oit_iops = &oit_obj->do_index_ops->dio_it;
+ struct dt_it *oit_di;
+ int rc;
ENTRY;
- rc = lu_env_init(&env, LCT_MD_THREAD | LCT_DT_THREAD);
- if (rc != 0) {
- CERROR("%s: LFSCK, fail to init env, rc = %d\n",
- lfsck_lfsck2name(lfsck), rc);
- GOTO(noenv, rc);
- }
-
- oit_di = oit_iops->init(&env, oit_obj, lfsck->li_args_oit, BYPASS_CAPA);
+ oit_di = oit_iops->init(env, oit_obj, lfsck->li_args_oit, BYPASS_CAPA);
if (IS_ERR(oit_di)) {
rc = PTR_ERR(oit_di);
- CERROR("%s: LFSCK, fail to init iteration, rc = %d\n",
+ CERROR("%s: LFSCK, fail to init iteration: rc = %d\n",
lfsck_lfsck2name(lfsck), rc);
- GOTO(fini_env, rc);
+
+ GOTO(fini_args, rc);
}
spin_lock(&lfsck->li_lock);
lfsck->li_di_oit = oit_di;
spin_unlock(&lfsck->li_lock);
- rc = lfsck_prep(&env, lfsck);
+ rc = lfsck_prep(env, lfsck);
if (rc != 0)
GOTO(fini_oit, rc);
- CDEBUG(D_LFSCK, "LFSCK entry: oit_flags = 0x%x, dir_flags = 0x%x, "
+ CDEBUG(D_LFSCK, "LFSCK entry: oit_flags = %#x, dir_flags = %#x, "
"oit_cookie = "LPU64", dir_cookie = "LPU64", parent = "DFID
", pid = %d\n", lfsck->li_args_oit, lfsck->li_args_dir,
lfsck->li_pos_current.lp_oit_cookie,
if (!cfs_list_empty(&lfsck->li_list_scan) ||
cfs_list_empty(&lfsck->li_list_double_scan))
- rc = lfsck_master_oit_engine(&env, lfsck);
+ rc = lfsck_master_oit_engine(env, lfsck);
else
rc = 1;
- CDEBUG(D_LFSCK, "LFSCK exit: oit_flags = 0x%x, dir_flags = 0x%x, "
+ CDEBUG(D_LFSCK, "LFSCK exit: oit_flags = %#x, dir_flags = %#x, "
"oit_cookie = "LPU64", dir_cookie = "LPU64", parent = "DFID
", pid = %d, rc = %d\n", lfsck->li_args_oit, lfsck->li_args_dir,
lfsck->li_pos_current.lp_oit_cookie,
current_pid(), rc);
if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_CRASH))
- rc = lfsck_post(&env, lfsck, rc);
+ rc = lfsck_post(env, lfsck, rc);
+
if (lfsck->li_di_dir != NULL)
- lfsck_close_dir(&env, lfsck);
+ lfsck_close_dir(env, lfsck);
fini_oit:
- lfsck_di_oit_put(&env, lfsck);
- oit_iops->fini(&env, oit_di);
+ lfsck_di_oit_put(env, lfsck);
+ oit_iops->fini(env, oit_di);
if (rc == 1) {
if (!cfs_list_empty(&lfsck->li_list_double_scan))
- rc = lfsck_double_scan(&env, lfsck);
+ rc = lfsck_double_scan(env, lfsck);
else
rc = 0;
}
/* XXX: Purge the pinned objects in the future. */
-fini_env:
- lu_env_fini(&env);
-
-noenv:
+fini_args:
spin_lock(&lfsck->li_lock);
thread_set_flags(thread, SVC_STOPPED);
- wake_up_all(&thread->t_ctl_waitq);
spin_unlock(&lfsck->li_lock);
+ wake_up_all(&thread->t_ctl_waitq);
+ lfsck_thread_args_fini(lta);
return rc;
}
#include <lustre/lustre_lfsck_user.h>
#include <lustre/lustre_user.h>
#include <lustre/lustre_idl.h>
+#include <lustre_lfsck.h>
#include <obd.h>
#include <lu_object.h>
#include <dt_object.h>
#define LFSCK_NAMEENTRY_REMOVED 2 /* The entry has been removed. */
#define LFSCK_NAMEENTRY_RECREATED 3 /* The entry has been recreated. */
-enum lfsck_status {
- /* The lfsck file is new created, for new MDT, upgrading from old disk,
- * or re-creating the lfsck file manually. */
- LS_INIT = 0,
-
- /* The first-step system scanning. */
- LS_SCANNING_PHASE1 = 1,
-
- /* The second-step system scanning. */
- LS_SCANNING_PHASE2 = 2,
-
- /* The LFSCK processing has completed for all objects. */
- LS_COMPLETED = 3,
-
- /* The LFSCK exited automatically for failure, will not auto restart. */
- LS_FAILED = 4,
-
- /* The LFSCK is stopped manually, will not auto restart. */
- LS_STOPPED = 5,
-
- /* LFSCK is paused automatically when umount,
- * will be restarted automatically when remount. */
- LS_PAUSED = 6,
-
- /* System crashed during the LFSCK,
- * will be restarted automatically after recovery. */
- LS_CRASHED = 7,
-};
-
enum lfsck_flags {
/* Finish the first cycle scanning. */
- LF_SCANNED_ONCE = 0x00000001ULL,
+ LF_SCANNED_ONCE = 0x00000001ULL,
/* There is some namespace inconsistency. */
- LF_INCONSISTENT = 0x00000002ULL,
+ LF_INCONSISTENT = 0x00000002ULL,
/* The device is upgraded from 1.8 format. */
- LF_UPGRADE = 0x00000004ULL,
+ LF_UPGRADE = 0x00000004ULL,
+
+ /* The server ever restarted during the LFSCK, and may miss to process
+ * some objects check/repair. */
+ LF_INCOMPLETE = 0x00000008ULL,
};
struct lfsck_position {
__u64 ln_reserved[2];
};
+enum lfsck_layout_inconsistency_type {
+ LLIT_NONE = 0,
+ LLIT_DANGLING = 1,
+ LLIT_UNMATCHED_PAIR = 2,
+ LLIT_MULTIPLE_REFERENCED = 3,
+ LLIT_ORPHAN = 4,
+ LLIT_INCONSISTENT_OWNER = 5,
+ LLIT_OTHERS = 6,
+ LLIT_MAX = LLIT_OTHERS
+};
+
+struct lfsck_layout {
+ /* Magic number to detect that this struct contains valid data. */
+ __u32 ll_magic;
+
+ /* See 'enum lfsck_status'. */
+ __u32 ll_status;
+
+ /* See 'enum lfsck_flags'. */
+ __u32 ll_flags;
+
+ /* How many completed LFSCK runs on the device. */
+ __u32 ll_success_count;
+
+ /* How long the LFSCK phase1 has run in seconds. */
+ __u32 ll_run_time_phase1;
+
+ /* How long the LFSCK phase2 has run in seconds. */
+ __u32 ll_run_time_phase2;
+
+ /* Time for the last LFSCK completed in seconds since epoch. */
+ __u64 ll_time_last_complete;
+
+ /* Time for the latest LFSCK ran in seconds since epoch. */
+ __u64 ll_time_latest_start;
+
+ /* Time for the last LFSCK checkpoint in seconds since epoch. */
+ __u64 ll_time_last_checkpoint;
+
+ /* Position for the latest LFSCK started from. */
+ __u64 ll_pos_latest_start;
+
+ /* Position for the last LFSCK checkpoint. */
+ __u64 ll_pos_last_checkpoint;
+
+ /* Position for the first should be updated object. */
+ __u64 ll_pos_first_inconsistent;
+
+ /* How many objects have been checked. */
+ __u64 ll_objs_checked_phase1;
+
+ /* How many objects failed to be processed. */
+ __u64 ll_objs_failed_phase1;
+
+ /* How many objects have been double scanned. */
+ __u64 ll_objs_checked_phase2;
+
+ /* How many objects failed to be processed during double scan. */
+ __u64 ll_objs_failed_phase2;
+
+ /* kinds of inconsistency have been repaired.
+ * ll_objs_repaired[type - 1] is the count for the given @type. */
+ __u64 ll_objs_repaired[LLIT_MAX];
+
+ /* How many objects have been skipped because of related
+ * MDT(s)/OST(s) do not participate in the LFSCK */
+ __u64 ll_objs_skipped;
+
+ /* For further using. 256-bytes aligned now. */
+ __u64 ll_reserved[12];
+};
+
struct lfsck_component;
struct lfsck_operations {
struct lfsck_operations *lc_ops;
void *lc_file_ram;
void *lc_file_disk;
+
+ /* The time for last checkpoint, jiffies */
+ cfs_time_t lc_time_last_checkpoint;
+
+ /* The time for next checkpoint, jiffies */
+ cfs_time_t lc_time_next_checkpoint;
+
__u32 lc_file_size;
/* How many objects have been checked since last checkpoint. */
__u32 lc_new_checked;
+
+ /* How many objects have been scanned since last sleep. */
+ __u32 lc_new_scanned;
+
unsigned int lc_journal:1;
__u16 lc_type;
};
LLF_REPAIR_FAILED = 0x02,
};
+struct lfsck_thread_args {
+ struct lu_env lta_env;
+ struct lfsck_instance *lta_lfsck;
+ struct lfsck_component *lta_com;
+};
+
struct lfsck_thread_info {
struct lu_name lti_name;
struct lu_buf lti_buf;
};
/* lfsck_lib.c */
+const char *lfsck_status2names(enum lfsck_status status);
void lfsck_component_cleanup(const struct lu_env *env,
struct lfsck_component *com);
+void lfsck_instance_cleanup(const struct lu_env *env,
+ struct lfsck_instance *lfsck);
int lfsck_bits_dump(char **buf, int *len, int bits, const char *names[],
const char *prefix);
int lfsck_time_dump(char **buf, int *len, __u64 time, const char *prefix);
void lfsck_pos_fill(const struct lu_env *env, struct lfsck_instance *lfsck,
struct lfsck_position *pos, bool init);
void lfsck_control_speed(struct lfsck_instance *lfsck);
+void lfsck_control_speed_by_self(struct lfsck_component *com);
int lfsck_reset(const struct lu_env *env, struct lfsck_instance *lfsck,
bool init);
+struct lfsck_thread_args *lfsck_thread_args_init(struct lfsck_instance *lfsck,
+ struct lfsck_component *com);
+void lfsck_thread_args_fini(struct lfsck_thread_args *lta);
void lfsck_fail(const struct lu_env *env, struct lfsck_instance *lfsck,
bool new_checked);
int lfsck_checkpoint(const struct lu_env *env, struct lfsck_instance *lfsck);
int lfsck_namespace_setup(const struct lu_env *env,
struct lfsck_instance *lfsck);
-extern const char *lfsck_status_names[];
+/* lfsck_layout.c */
+int lfsck_layout_setup(const struct lu_env *env, struct lfsck_instance *lfsck);
+
extern const char *lfsck_flags_names[];
extern const char *lfsck_param_names[];
extern struct lu_context_key lfsck_thread_key;
lu_object_put(env, &obj->do_lu);
}
+static inline struct lfsck_component *
+lfsck_component_get(struct lfsck_component *com)
+{
+ atomic_inc(&com->lc_ref);
+
+ return com;
+}
+
+static inline void lfsck_component_put(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ if (atomic_dec_and_test(&com->lc_ref)) {
+ if (com->lc_obj != NULL)
+ lu_object_put_nocache(env, &com->lc_obj->do_lu);
+ if (com->lc_file_ram != NULL)
+ OBD_FREE(com->lc_file_ram, com->lc_file_size);
+ if (com->lc_file_disk != NULL)
+ OBD_FREE(com->lc_file_disk, com->lc_file_size);
+ OBD_FREE_PTR(com);
+ }
+}
+
+static inline struct lfsck_instance *
+lfsck_instance_get(struct lfsck_instance *lfsck)
+{
+ atomic_inc(&lfsck->li_ref);
+
+ return lfsck;
+}
+
+static inline void lfsck_instance_put(const struct lu_env *env,
+ struct lfsck_instance *lfsck)
+{
+ if (atomic_dec_and_test(&lfsck->li_ref))
+ lfsck_instance_cleanup(env, lfsck);
+}
+
static inline mdsno_t lfsck_dev_idx(struct dt_device *dev)
{
return dev->dd_lu_dev.ld_site->ld_seq_site->ss_node_id;
--- /dev/null
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License version 2 for more details. A copy is
+ * included in the COPYING file that accompanied this code.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2013, Intel Corporation.
+ */
+/*
+ * lustre/lfsck/lfsck_layout.c
+ *
+ * Author: Fan, Yong <fan.yong@intel.com>
+ */
+
+#ifndef EXPORT_SYMTAB
+# define EXPORT_SYMTAB
+#endif
+#define DEBUG_SUBSYSTEM S_LFSCK
+
+#include <linux/bitops.h>
+
+#include <lustre/lustre_idl.h>
+#include <lu_object.h>
+#include <dt_object.h>
+#include <lustre_linkea.h>
+#include <lustre_fid.h>
+#include <lustre_lib.h>
+#include <lustre_net.h>
+#include <lustre/lustre_user.h>
+
+#include "lfsck_internal.h"
+
+#define LFSCK_LAYOUT_MAGIC 0xB173AE14
+
+static const char lfsck_layout_name[] = "lfsck_layout";
+
+static void lfsck_layout_le_to_cpu(struct lfsck_layout *des,
+ const struct lfsck_layout *src)
+{
+ int i;
+
+ des->ll_magic = le32_to_cpu(src->ll_magic);
+ des->ll_status = le32_to_cpu(src->ll_status);
+ des->ll_flags = le32_to_cpu(src->ll_flags);
+ des->ll_success_count = le32_to_cpu(src->ll_success_count);
+ des->ll_run_time_phase1 = le32_to_cpu(src->ll_run_time_phase1);
+ des->ll_run_time_phase2 = le32_to_cpu(src->ll_run_time_phase2);
+ des->ll_time_last_complete = le64_to_cpu(src->ll_time_last_complete);
+ des->ll_time_latest_start = le64_to_cpu(src->ll_time_latest_start);
+ des->ll_time_last_checkpoint =
+ le64_to_cpu(src->ll_time_last_checkpoint);
+ des->ll_pos_latest_start = le64_to_cpu(src->ll_pos_latest_start);
+ des->ll_pos_last_checkpoint = le64_to_cpu(src->ll_pos_last_checkpoint);
+ des->ll_pos_first_inconsistent =
+ le64_to_cpu(src->ll_pos_first_inconsistent);
+ des->ll_objs_checked_phase1 = le64_to_cpu(src->ll_objs_checked_phase1);
+ des->ll_objs_failed_phase1 = le64_to_cpu(src->ll_objs_failed_phase1);
+ des->ll_objs_checked_phase2 = le64_to_cpu(src->ll_objs_checked_phase2);
+ des->ll_objs_failed_phase2 = le64_to_cpu(src->ll_objs_failed_phase2);
+ for (i = 0; i < LLIT_MAX; i++)
+ des->ll_objs_repaired[i] =
+ le64_to_cpu(src->ll_objs_repaired[i]);
+ des->ll_objs_skipped = le64_to_cpu(src->ll_objs_skipped);
+}
+
+static void lfsck_layout_cpu_to_le(struct lfsck_layout *des,
+ const struct lfsck_layout *src)
+{
+ int i;
+
+ des->ll_magic = cpu_to_le32(src->ll_magic);
+ des->ll_status = cpu_to_le32(src->ll_status);
+ des->ll_flags = cpu_to_le32(src->ll_flags);
+ des->ll_success_count = cpu_to_le32(src->ll_success_count);
+ des->ll_run_time_phase1 = cpu_to_le32(src->ll_run_time_phase1);
+ des->ll_run_time_phase2 = cpu_to_le32(src->ll_run_time_phase2);
+ des->ll_time_last_complete = cpu_to_le64(src->ll_time_last_complete);
+ des->ll_time_latest_start = cpu_to_le64(src->ll_time_latest_start);
+ des->ll_time_last_checkpoint =
+ cpu_to_le64(src->ll_time_last_checkpoint);
+ des->ll_pos_latest_start = cpu_to_le64(src->ll_pos_latest_start);
+ des->ll_pos_last_checkpoint = cpu_to_le64(src->ll_pos_last_checkpoint);
+ des->ll_pos_first_inconsistent =
+ cpu_to_le64(src->ll_pos_first_inconsistent);
+ des->ll_objs_checked_phase1 = cpu_to_le64(src->ll_objs_checked_phase1);
+ des->ll_objs_failed_phase1 = cpu_to_le64(src->ll_objs_failed_phase1);
+ des->ll_objs_checked_phase2 = cpu_to_le64(src->ll_objs_checked_phase2);
+ des->ll_objs_failed_phase2 = cpu_to_le64(src->ll_objs_failed_phase2);
+ for (i = 0; i < LLIT_MAX; i++)
+ des->ll_objs_repaired[i] =
+ cpu_to_le64(src->ll_objs_repaired[i]);
+ des->ll_objs_skipped = cpu_to_le64(src->ll_objs_skipped);
+}
+
+/**
+ * \retval +ve: the lfsck_layout is broken, the caller should reset it.
+ * \retval 0: succeed.
+ * \retval -ve: failed cases.
+ */
+static int lfsck_layout_load(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ struct lfsck_layout *lo = com->lc_file_ram;
+ const struct dt_body_operations *dbo = com->lc_obj->do_body_ops;
+ ssize_t size = com->lc_file_size;
+ loff_t pos = 0;
+ int rc;
+
+ rc = dbo->dbo_read(env, com->lc_obj,
+ lfsck_buf_get(env, com->lc_file_disk, size), &pos,
+ BYPASS_CAPA);
+ if (rc == 0) {
+ return -ENOENT;
+ } else if (rc < 0) {
+ CWARN("%s: failed to load lfsck_layout: rc = %d\n",
+ lfsck_lfsck2name(com->lc_lfsck), rc);
+ return rc;
+ } else if (rc != size) {
+ CWARN("%s: crashed lfsck_layout, to be reset: rc = %d\n",
+ lfsck_lfsck2name(com->lc_lfsck), rc);
+ return 1;
+ }
+
+ lfsck_layout_le_to_cpu(lo, com->lc_file_disk);
+ if (lo->ll_magic != LFSCK_LAYOUT_MAGIC) {
+ CWARN("%s: invalid lfsck_layout magic %#x != %#x, "
+ "to be reset\n", lfsck_lfsck2name(com->lc_lfsck),
+ lo->ll_magic, LFSCK_LAYOUT_MAGIC);
+ return 1;
+ }
+
+ return 0;
+}
+
+static int lfsck_layout_store(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ struct dt_object *obj = com->lc_obj;
+ struct lfsck_instance *lfsck = com->lc_lfsck;
+ struct lfsck_layout *lo = com->lc_file_disk;
+ struct thandle *handle;
+ ssize_t size = com->lc_file_size;
+ loff_t pos = 0;
+ int rc;
+ ENTRY;
+
+ lfsck_layout_cpu_to_le(lo, com->lc_file_ram);
+ handle = dt_trans_create(env, lfsck->li_bottom);
+ if (IS_ERR(handle)) {
+ rc = PTR_ERR(handle);
+ CERROR("%s: fail to create trans for storing lfsck_layout: "
+ "rc = %d\n", lfsck_lfsck2name(lfsck), rc);
+ RETURN(rc);
+ }
+
+ rc = dt_declare_record_write(env, obj, size, pos, handle);
+ if (rc != 0) {
+ CERROR("%s: fail to declare trans for storing lfsck_layout(1): "
+ "rc = %d\n", lfsck_lfsck2name(lfsck), rc);
+ GOTO(out, rc);
+ }
+
+ rc = dt_trans_start_local(env, lfsck->li_bottom, handle);
+ if (rc != 0) {
+ CERROR("%s: fail to start trans for storing lfsck_layout: "
+ "rc = %d\n", lfsck_lfsck2name(lfsck), rc);
+ GOTO(out, rc);
+ }
+
+ rc = dt_record_write(env, obj, lfsck_buf_get(env, lo, size), &pos,
+ handle);
+ if (rc != 0)
+ CERROR("%s: fail to store lfsck_layout(1): size = %d, "
+ "rc = %d\n", lfsck_lfsck2name(lfsck), (int)size, rc);
+
+ GOTO(out, rc);
+
+out:
+ dt_trans_stop(env, lfsck->li_bottom, handle);
+
+ return rc;
+}
+
+static int lfsck_layout_init(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ struct lfsck_layout *lo = com->lc_file_ram;
+ int rc;
+
+ memset(lo, 0, com->lc_file_size);
+ lo->ll_magic = LFSCK_LAYOUT_MAGIC;
+ lo->ll_status = LS_INIT;
+ down_write(&com->lc_sem);
+ rc = lfsck_layout_store(env, com);
+ up_write(&com->lc_sem);
+
+ return rc;
+}
+
+/* layout APIs */
+/* XXX: Some to be implemented in other patch(es). */
+
+static int lfsck_layout_reset(const struct lu_env *env,
+ struct lfsck_component *com, bool init)
+{
+ struct lfsck_layout *lo = com->lc_file_ram;
+ int rc;
+
+ down_write(&com->lc_sem);
+ if (init) {
+ memset(lo, 0, com->lc_file_size);
+ } else {
+ __u32 count = lo->ll_success_count;
+ __u64 last_time = lo->ll_time_last_complete;
+
+ memset(lo, 0, com->lc_file_size);
+ lo->ll_success_count = count;
+ lo->ll_time_last_complete = last_time;
+ }
+
+ lo->ll_magic = LFSCK_LAYOUT_MAGIC;
+ lo->ll_status = LS_INIT;
+
+ rc = lfsck_layout_store(env, com);
+ up_write(&com->lc_sem);
+
+ return rc;
+}
+
+static void lfsck_layout_fail(const struct lu_env *env,
+ struct lfsck_component *com, bool new_checked)
+{
+}
+
+static int lfsck_layout_checkpoint(const struct lu_env *env,
+ struct lfsck_component *com, bool init)
+{
+ return 0;
+}
+
+static int lfsck_layout_master_prep(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ return 0;
+}
+
+static int lfsck_layout_slave_prep(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ return 0;
+}
+
+static int lfsck_layout_master_exec_oit(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct dt_object *obj)
+{
+ return 0;
+}
+
+static int lfsck_layout_slave_exec_oit(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct dt_object *obj)
+{
+ return 0;
+}
+
+static int lfsck_layout_exec_dir(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct dt_object *obj,
+ struct lu_dirent *ent)
+{
+ return 0;
+}
+
+static int lfsck_layout_master_post(const struct lu_env *env,
+ struct lfsck_component *com,
+ int result, bool init)
+{
+ return 0;
+}
+
+static int lfsck_layout_slave_post(const struct lu_env *env,
+ struct lfsck_component *com,
+ int result, bool init)
+{
+ return 0;
+}
+
+static int lfsck_layout_dump(const struct lu_env *env,
+ struct lfsck_component *com, char *buf, int len)
+{
+ return 0;
+}
+
+static int lfsck_layout_master_double_scan(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ return 0;
+}
+
+static int lfsck_layout_slave_double_scan(const struct lu_env *env,
+ struct lfsck_component *com)
+{
+ return 0;
+}
+
+static struct lfsck_operations lfsck_layout_master_ops = {
+ .lfsck_reset = lfsck_layout_reset,
+ .lfsck_fail = lfsck_layout_fail,
+ .lfsck_checkpoint = lfsck_layout_checkpoint,
+ .lfsck_prep = lfsck_layout_master_prep,
+ .lfsck_exec_oit = lfsck_layout_master_exec_oit,
+ .lfsck_exec_dir = lfsck_layout_exec_dir,
+ .lfsck_post = lfsck_layout_master_post,
+ .lfsck_dump = lfsck_layout_dump,
+ .lfsck_double_scan = lfsck_layout_master_double_scan,
+};
+
+static struct lfsck_operations lfsck_layout_slave_ops = {
+ .lfsck_reset = lfsck_layout_reset,
+ .lfsck_fail = lfsck_layout_fail,
+ .lfsck_checkpoint = lfsck_layout_checkpoint,
+ .lfsck_prep = lfsck_layout_slave_prep,
+ .lfsck_exec_oit = lfsck_layout_slave_exec_oit,
+ .lfsck_exec_dir = lfsck_layout_exec_dir,
+ .lfsck_post = lfsck_layout_slave_post,
+ .lfsck_dump = lfsck_layout_dump,
+ .lfsck_double_scan = lfsck_layout_slave_double_scan,
+};
+
+int lfsck_layout_setup(const struct lu_env *env, struct lfsck_instance *lfsck)
+{
+ struct lfsck_component *com;
+ struct lfsck_layout *lo;
+ struct dt_object *root = NULL;
+ struct dt_object *obj;
+ int rc;
+ ENTRY;
+
+ OBD_ALLOC_PTR(com);
+ if (com == NULL)
+ RETURN(-ENOMEM);
+
+ INIT_LIST_HEAD(&com->lc_link);
+ INIT_LIST_HEAD(&com->lc_link_dir);
+ init_rwsem(&com->lc_sem);
+ atomic_set(&com->lc_ref, 1);
+ com->lc_lfsck = lfsck;
+ com->lc_type = LT_LAYOUT;
+ if (lfsck->li_master)
+ com->lc_ops = &lfsck_layout_master_ops;
+ else
+ com->lc_ops = &lfsck_layout_slave_ops;
+ com->lc_file_size = sizeof(*lo);
+ OBD_ALLOC(com->lc_file_ram, com->lc_file_size);
+ if (com->lc_file_ram == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ OBD_ALLOC(com->lc_file_disk, com->lc_file_size);
+ if (com->lc_file_disk == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ root = dt_locate(env, lfsck->li_bottom, &lfsck->li_local_root_fid);
+ if (IS_ERR(root))
+ GOTO(out, rc = PTR_ERR(root));
+
+ if (unlikely(!dt_try_as_dir(env, root)))
+ GOTO(out, rc = -ENOTDIR);
+
+ obj = local_file_find_or_create(env, lfsck->li_los, root,
+ lfsck_layout_name,
+ S_IFREG | S_IRUGO | S_IWUSR);
+ if (IS_ERR(obj))
+ GOTO(out, rc = PTR_ERR(obj));
+
+ com->lc_obj = obj;
+ rc = lfsck_layout_load(env, com);
+ if (rc > 0)
+ rc = lfsck_layout_reset(env, com, true);
+ else if (rc == -ENOENT)
+ rc = lfsck_layout_init(env, com);
+
+ if (rc != 0)
+ GOTO(out, rc);
+
+ lo = com->lc_file_ram;
+ switch (lo->ll_status) {
+ case LS_INIT:
+ case LS_COMPLETED:
+ case LS_FAILED:
+ case LS_STOPPED:
+ case LS_PARTIAL:
+ spin_lock(&lfsck->li_lock);
+ list_add_tail(&com->lc_link, &lfsck->li_list_idle);
+ spin_unlock(&lfsck->li_lock);
+ break;
+ default:
+ CERROR("%s: unknown lfsck_layout status: rc = %u\n",
+ lfsck_lfsck2name(lfsck), lo->ll_status);
+ /* fall through */
+ case LS_SCANNING_PHASE1:
+ case LS_SCANNING_PHASE2:
+ /* No need to store the status to disk right now.
+ * If the system crashed before the status stored,
+ * it will be loaded back when next time. */
+ lo->ll_status = LS_CRASHED;
+ lo->ll_flags |= LF_INCOMPLETE;
+ /* fall through */
+ case LS_PAUSED:
+ case LS_CRASHED:
+ spin_lock(&lfsck->li_lock);
+ list_add_tail(&com->lc_link, &lfsck->li_list_scan);
+ spin_unlock(&lfsck->li_lock);
+ break;
+ }
+
+ GOTO(out, rc = 0);
+
+out:
+ if (root != NULL && !IS_ERR(root))
+ lu_object_put(env, &root->do_lu);
+
+ if (rc != 0)
+ lfsck_component_cleanup(env, com);
+
+ return rc;
+}
static CFS_LIST_HEAD(lfsck_instance_list);
static DEFINE_SPINLOCK(lfsck_instance_lock);
-const char *lfsck_status_names[] = {
- "init",
- "scanning-phase1",
- "scanning-phase2",
- "completed",
- "failed",
- "stopped",
- "paused",
- "crashed",
- NULL
+static const char *lfsck_status_names[] = {
+ [LS_INIT] = "init",
+ [LS_SCANNING_PHASE1] = "scanning-phase1",
+ [LS_SCANNING_PHASE2] = "scanning-phase2",
+ [LS_COMPLETED] = "completed",
+ [LS_FAILED] = "failed",
+ [LS_STOPPED] = "stopped",
+ [LS_PAUSED] = "paused",
+ [LS_CRASHED] = "crashed",
+ [LS_PARTIAL] = "partial"
};
const char *lfsck_flags_names[] = {
"scanned-once",
"inconsistent",
"upgrade",
+ "incomplete",
NULL
};
const char *lfsck_param_names[] = {
+ NULL,
"failout",
"dryrun",
NULL
};
-static inline void lfsck_component_get(struct lfsck_component *com)
+const char *lfsck_status2names(enum lfsck_status status)
{
- atomic_inc(&com->lc_ref);
-}
+ if (unlikely(status < 0 || status >= LS_MAX))
+ return "unknown";
-static inline void lfsck_component_put(const struct lu_env *env,
- struct lfsck_component *com)
-{
- if (atomic_dec_and_test(&com->lc_ref)) {
- if (com->lc_obj != NULL)
- lu_object_put_nocache(env, &com->lc_obj->do_lu);
- if (com->lc_file_ram != NULL)
- OBD_FREE(com->lc_file_ram, com->lc_file_size);
- if (com->lc_file_disk != NULL)
- OBD_FREE(com->lc_file_disk, com->lc_file_size);
- OBD_FREE_PTR(com);
- }
+ return lfsck_status_names[status];
}
static inline struct lfsck_component *
lfsck_component_put(env, com);
}
-static void lfsck_instance_cleanup(const struct lu_env *env,
- struct lfsck_instance *lfsck)
+void lfsck_instance_cleanup(const struct lu_env *env,
+ struct lfsck_instance *lfsck)
{
struct ptlrpc_thread *thread = &lfsck->li_thread;
struct lfsck_component *com;
OBD_FREE_PTR(lfsck);
}
-static inline void lfsck_instance_get(struct lfsck_instance *lfsck)
-{
- atomic_inc(&lfsck->li_ref);
-}
-
-static inline void lfsck_instance_put(const struct lu_env *env,
- struct lfsck_instance *lfsck)
-{
- if (atomic_dec_and_test(&lfsck->li_ref))
- lfsck_instance_cleanup(env, lfsck);
-}
-
static inline struct lfsck_instance *lfsck_instance_find(struct dt_device *key,
bool ref, bool unlink)
{
for (i = 0, flag = 1; bits != 0; i++, flag = 1 << i) {
if (flag & bits) {
bits &= ~flag;
- rc = snprintf(*buf, *len, "%s%c", names[i],
- bits != 0 ? ',' : '\n');
- if (rc <= 0)
- return -ENOSPC;
-
- *buf += rc;
- *len -= rc;
+ if (names[i] != NULL) {
+ rc = snprintf(*buf, *len, "%s%c", names[i],
+ bits != 0 ? ',' : '\n');
+ if (rc <= 0)
+ return -ENOSPC;
+
+ *buf += rc;
+ *len -= rc;
+ }
}
}
return save - *len;
fid_zero(&pos->lp_dir_parent);
pos->lp_dir_cookie = 0;
} else {
- pos->lp_dir_parent = *lu_object_fid(&dto->do_lu);
+ pos->lp_dir_parent = *lfsck_dto2fid(dto);
}
} else {
fid_zero(&pos->lp_dir_parent);
if (lfsck->li_sleep_jif > 0 &&
lfsck->li_new_scanned >= lfsck->li_sleep_rate) {
- spin_lock(&lfsck->li_lock);
- if (likely(lfsck->li_sleep_jif > 0 &&
- lfsck->li_new_scanned >= lfsck->li_sleep_rate)) {
- lwi = LWI_TIMEOUT_INTR(lfsck->li_sleep_jif, NULL,
- LWI_ON_SIGNAL_NOOP, NULL);
- spin_unlock(&lfsck->li_lock);
-
- l_wait_event(thread->t_ctl_waitq,
- !thread_is_running(thread),
- &lwi);
- lfsck->li_new_scanned = 0;
- } else {
- spin_unlock(&lfsck->li_lock);
- }
+ lwi = LWI_TIMEOUT_INTR(lfsck->li_sleep_jif, NULL,
+ LWI_ON_SIGNAL_NOOP, NULL);
+
+ l_wait_event(thread->t_ctl_waitq,
+ !thread_is_running(thread),
+ &lwi);
+ lfsck->li_new_scanned = 0;
+ }
+}
+
+void lfsck_control_speed_by_self(struct lfsck_component *com)
+{
+ struct lfsck_instance *lfsck = com->lc_lfsck;
+ struct ptlrpc_thread *thread = &lfsck->li_thread;
+ struct l_wait_info lwi;
+
+ if (lfsck->li_sleep_jif > 0 &&
+ com->lc_new_scanned >= lfsck->li_sleep_rate) {
+ lwi = LWI_TIMEOUT_INTR(lfsck->li_sleep_jif, NULL,
+ LWI_ON_SIGNAL_NOOP, NULL);
+
+ l_wait_event(thread->t_ctl_waitq,
+ !thread_is_running(thread),
+ &lwi);
+ com->lc_new_scanned = 0;
}
}
return 0;
}
+struct lfsck_thread_args *lfsck_thread_args_init(struct lfsck_instance *lfsck,
+ struct lfsck_component *com)
+{
+ struct lfsck_thread_args *lta;
+ int rc;
+
+ OBD_ALLOC_PTR(lta);
+ if (lta == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ rc = lu_env_init(<a->lta_env, LCT_MD_THREAD | LCT_DT_THREAD);
+ if (rc != 0) {
+ OBD_FREE_PTR(lta);
+ return ERR_PTR(rc);
+ }
+
+ lta->lta_lfsck = lfsck_instance_get(lfsck);
+ if (com != NULL)
+ lta->lta_com = lfsck_component_get(com);
+
+ return lta;
+}
+
+void lfsck_thread_args_fini(struct lfsck_thread_args *lta)
+{
+ if (lta->lta_com != NULL)
+ lfsck_component_put(<a->lta_env, lta->lta_com);
+ lfsck_instance_put(<a->lta_env, lta->lta_lfsck);
+ lu_env_fini(<a->lta_env);
+ OBD_FREE_PTR(lta);
+}
+
/* LFSCK wrap functions */
void lfsck_fail(const struct lu_env *env, struct lfsck_instance *lfsck,
int lfsck_checkpoint(const struct lu_env *env, struct lfsck_instance *lfsck)
{
struct lfsck_component *com;
- int rc;
+ int rc = 0;
+ int rc1 = 0;
if (likely(cfs_time_beforeq(cfs_time_current(),
lfsck->li_time_next_checkpoint)))
cfs_list_for_each_entry(com, &lfsck->li_list_scan, lc_link) {
rc = com->lc_ops->lfsck_checkpoint(env, com, false);
if (rc != 0)
- return rc;;
+ rc1 = rc;
}
lfsck->li_time_last_checkpoint = cfs_time_current();
lfsck->li_time_next_checkpoint = lfsck->li_time_last_checkpoint +
cfs_time_seconds(LFSCK_CHECKPOINT_INTERVAL);
- return 0;
+ return rc1 != 0 ? rc1 : rc;
}
int lfsck_prep(const struct lu_env *env, struct lfsck_instance *lfsck)
rc = com->lc_ops->lfsck_prep(env, com);
if (rc != 0)
- RETURN(rc);
+ GOTO(out, rc);
if ((pos == NULL) ||
(!lfsck_pos_is_zero(&com->lc_pos_start) &&
{
struct lfsck_component *com;
struct lfsck_component *next;
- int rc;
+ int rc = 0;
+ int rc1 = 0;
lfsck_pos_fill(env, lfsck, &lfsck->li_pos_current, false);
cfs_list_for_each_entry_safe(com, next, &lfsck->li_list_scan, lc_link) {
rc = com->lc_ops->lfsck_post(env, com, result, false);
if (rc != 0)
- return rc;
+ rc1 = rc;
}
lfsck->li_time_last_checkpoint = cfs_time_current();
lfsck->li_time_next_checkpoint = lfsck->li_time_last_checkpoint +
cfs_time_seconds(LFSCK_CHECKPOINT_INTERVAL);
+
+ /* Ignore some component post failure to make other can go ahead. */
return result;
}
int rc;
ENTRY;
- lfsck = lfsck_instance_find(key, true, false);
- if (unlikely(lfsck == NULL))
- RETURN(-ENODEV);
-
rc = lu_env_init(&env, LCT_MD_THREAD | LCT_DT_THREAD);
if (rc != 0)
- GOTO(out, rc);
+ RETURN(rc);
- rc = snprintf(buf, len, "%u\n", lfsck->li_bookmark_ram.lb_speed_limit);
- lu_env_fini(&env);
+ lfsck = lfsck_instance_find(key, true, false);
+ if (likely(lfsck != NULL)) {
+ rc = snprintf(buf, len, "%u\n",
+ lfsck->li_bookmark_ram.lb_speed_limit);
+ lfsck_instance_put(&env, lfsck);
+ } else {
+ rc = -ENODEV;
+ }
- GOTO(out, rc);
+ lu_env_fini(&env);
-out:
- lfsck_instance_put(&env, lfsck);
- return rc;
+ RETURN(rc);
}
EXPORT_SYMBOL(lfsck_get_speed);
int rc;
ENTRY;
- lfsck = lfsck_instance_find(key, true, false);
- if (unlikely(lfsck == NULL))
- RETURN(-ENODEV);
-
rc = lu_env_init(&env, LCT_MD_THREAD | LCT_DT_THREAD);
if (rc != 0)
- GOTO(out, rc);
+ RETURN(rc);
- mutex_lock(&lfsck->li_mutex);
- __lfsck_set_speed(lfsck, val);
- rc = lfsck_bookmark_store(&env, lfsck);
- mutex_unlock(&lfsck->li_mutex);
- lu_env_fini(&env);
+ lfsck = lfsck_instance_find(key, true, false);
+ if (likely(lfsck != NULL)) {
+ mutex_lock(&lfsck->li_mutex);
+ __lfsck_set_speed(lfsck, val);
+ rc = lfsck_bookmark_store(&env, lfsck);
+ mutex_unlock(&lfsck->li_mutex);
+ lfsck_instance_put(&env, lfsck);
+ } else {
+ rc = -ENODEV;
+ }
- GOTO(out, rc);
+ lu_env_fini(&env);
-out:
- lfsck_instance_put(&env, lfsck);
- return rc;
+ RETURN(rc);
}
EXPORT_SYMBOL(lfsck_set_speed);
-int lfsck_dump(struct dt_device *key, void *buf, int len, __u16 type)
+int lfsck_dump(struct dt_device *key, void *buf, int len, enum lfsck_type type)
{
struct lu_env env;
struct lfsck_instance *lfsck;
- struct lfsck_component *com = NULL;
+ struct lfsck_component *com;
int rc;
ENTRY;
- lfsck = lfsck_instance_find(key, true, false);
- if (unlikely(lfsck == NULL))
- RETURN(-ENODEV);
-
- com = lfsck_component_find(lfsck, type);
- if (com == NULL)
- GOTO(out, rc = -ENOTSUPP);
-
rc = lu_env_init(&env, LCT_MD_THREAD | LCT_DT_THREAD);
if (rc != 0)
- GOTO(out, rc);
+ RETURN(rc);
- rc = com->lc_ops->lfsck_dump(&env, com, buf, len);
- lu_env_fini(&env);
+ lfsck = lfsck_instance_find(key, true, false);
+ if (likely(lfsck != NULL)) {
+ com = lfsck_component_find(lfsck, type);
+ if (likely(com != NULL)) {
+ rc = com->lc_ops->lfsck_dump(&env, com, buf, len);
+ lfsck_component_put(&env, com);
+ } else {
+ rc = -ENOTSUPP;
+ }
- GOTO(out, rc);
+ lfsck_instance_put(&env, lfsck);
+ } else {
+ rc = -ENODEV;
+ }
-out:
- if (com != NULL)
- lfsck_component_put(&env, com);
- lfsck_instance_put(&env, lfsck);
- return rc;
+ lu_env_fini(&env);
+
+ RETURN(rc);
}
EXPORT_SYMBOL(lfsck_dump);
int lfsck_start(const struct lu_env *env, struct dt_device *key,
struct lfsck_start_param *lsp)
{
- struct lfsck_start *start = lsp->lsp_start;
- struct lfsck_instance *lfsck;
- struct lfsck_bookmark *bk;
- struct ptlrpc_thread *thread;
- struct lfsck_component *com;
- struct l_wait_info lwi = { 0 };
- bool dirty = false;
- long rc = 0;
- __u16 valid = 0;
- __u16 flags = 0;
+ struct lfsck_start *start = lsp->lsp_start;
+ struct lfsck_instance *lfsck;
+ struct lfsck_bookmark *bk;
+ struct ptlrpc_thread *thread;
+ struct lfsck_component *com;
+ struct l_wait_info lwi = { 0 };
+ struct lfsck_thread_args *lta;
+ bool dirty = false;
+ long rc = 0;
+ __u16 valid = 0;
+ __u16 flags = 0;
+ __u16 type = 1;
ENTRY;
lfsck = lfsck_instance_find(key, true, false);
mutex_lock(&lfsck->li_mutex);
spin_lock(&lfsck->li_lock);
if (!thread_is_init(thread) && !thread_is_stopped(thread)) {
+ rc = -EALREADY;
+ while (start->ls_active != 0) {
+ if (type & start->ls_active) {
+ com = __lfsck_component_find(lfsck, type,
+ &lfsck->li_list_scan);
+ if (com == NULL)
+ com = __lfsck_component_find(lfsck,
+ type,
+ &lfsck->li_list_double_scan);
+ if (com == NULL) {
+ rc = -EBUSY;
+ break;
+ } else {
+ start->ls_active &= ~type;
+ }
+ }
+ type <<= 1;
+ }
spin_unlock(&lfsck->li_lock);
- GOTO(out, rc = -EALREADY);
+ GOTO(out, rc);
}
-
spin_unlock(&lfsck->li_lock);
lfsck->li_namespace = lsp->lsp_namespace;
if (start->ls_active != 0) {
struct lfsck_component *next;
- __u16 type = 1;
if (start->ls_active == LFSCK_TYPES_ALL)
start->ls_active = LFSCK_TYPES_SUPPORTED;
lfsck->li_args_oit = (flags << DT_OTABLE_IT_FLAGS_SHIFT) | valid;
thread_set_flags(thread, 0);
- rc = PTR_ERR(kthread_run(lfsck_master_engine, lfsck, "lfsck"));
+ lta = lfsck_thread_args_init(lfsck, NULL);
+ if (IS_ERR(lta))
+ GOTO(out, rc = PTR_ERR(lta));
+
+ rc = PTR_ERR(kthread_run(lfsck_master_engine, lta, "lfsck"));
if (IS_ERR_VALUE(rc)) {
- CERROR("%s: cannot start LFSCK thread, rc = %ld\n",
+ CERROR("%s: cannot start LFSCK thread: rc = %ld\n",
lfsck_lfsck2name(lfsck), rc);
+ lfsck_thread_args_fini(lta);
} else {
rc = 0;
l_wait_event(thread->t_ctl_waitq,
if (IS_ERR(root))
GOTO(out, rc = PTR_ERR(root));
+ if (unlikely(!dt_try_as_dir(env, root)))
+ GOTO(out, rc = -ENOTDIR);
+
lfsck->li_local_root_fid = *fid;
- dt_try_as_dir(env, root);
if (master) {
lfsck->li_master = 1;
if (lfsck_dev_idx(lfsck->li_bottom) == 0) {
GOTO(out, rc);
}
+ rc = lfsck_layout_setup(env, lfsck);
+ if (rc < 0)
+ GOTO(out, rc);
+
/* XXX: more LFSCK components initialization to be added here. */
add:
lfsck_namespace_le_to_cpu(ns,
(struct lfsck_namespace *)com->lc_file_disk);
if (ns->ln_magic != LFSCK_NAMESPACE_MAGIC) {
- CWARN("%.16s: invalid lfsck_namespace magic "
- "0x%x != 0x%x\n",
- lfsck_lfsck2name(com->lc_lfsck),
- ns->ln_magic, LFSCK_NAMESPACE_MAGIC);
+ CWARN("%s: invalid lfsck_namespace magic %#x != %#x\n",
+ lfsck_lfsck2name(com->lc_lfsck), ns->ln_magic,
+ LFSCK_NAMESPACE_MAGIC);
rc = 1;
} else {
rc = 0;
}
} else if (rc != -ENODATA) {
- CERROR("%.16s: fail to load lfsck_namespace, expected = %d, "
+ CERROR("%s: fail to load lfsck_namespace: expected = %d, "
"rc = %d\n", lfsck_lfsck2name(com->lc_lfsck), len, rc);
if (rc >= 0)
rc = 1;
handle = dt_trans_create(env, lfsck->li_bottom);
if (IS_ERR(handle)) {
rc = PTR_ERR(handle);
- CERROR("%.16s: fail to create trans for storing "
- "lfsck_namespace: %d\n,", lfsck_lfsck2name(lfsck), rc);
+ CERROR("%s: fail to create trans for storing lfsck_namespace: "
+ "rc = %d\n", lfsck_lfsck2name(lfsck), rc);
RETURN(rc);
}
lfsck_buf_get(env, com->lc_file_disk, len),
XATTR_NAME_LFSCK_NAMESPACE, 0, handle);
if (rc != 0) {
- CERROR("%.16s: fail to declare trans for storing "
- "lfsck_namespace: %d\n,", lfsck_lfsck2name(lfsck), rc);
+ CERROR("%s: fail to declare trans for storing lfsck_namespace: "
+ "rc = %d\n", lfsck_lfsck2name(lfsck), rc);
GOTO(out, rc);
}
rc = dt_trans_start_local(env, lfsck->li_bottom, handle);
if (rc != 0) {
- CERROR("%.16s: fail to start trans for storing "
- "lfsck_namespace: %d\n,", lfsck_lfsck2name(lfsck), rc);
+ CERROR("%s: fail to start trans for storing lfsck_namespace: "
+ "rc = %d\n", lfsck_lfsck2name(lfsck), rc);
GOTO(out, rc);
}
init ? LU_XATTR_CREATE : LU_XATTR_REPLACE,
handle, BYPASS_CAPA);
if (rc != 0)
- CERROR("%.16s: fail to store lfsck_namespace, len = %d, "
+ CERROR("%s: fail to store lfsck_namespace: len = %d, "
"rc = %d\n", lfsck_lfsck2name(lfsck), len, rc);
GOTO(out, rc);
static int lfsck_namespace_init(const struct lu_env *env,
struct lfsck_component *com)
{
- struct lfsck_namespace *ns = (struct lfsck_namespace *)com->lc_file_ram;
+ struct lfsck_namespace *ns = com->lc_file_ram;
int rc;
memset(ns, 0, sizeof(*ns));
rc = dt_delete(env, obj, (const struct dt_key *)key, handle,
BYPASS_CAPA);
if (rc != 0) {
- CERROR("%s: fail to insert "DFID", rc = %d\n",
+ CERROR("%s: fail to insert "DFID": rc = %d\n",
lfsck_lfsck2name(com->lc_lfsck), PFID(fid), rc);
GOTO(out, rc);
}
struct lu_fid *cfid = &info->lti_fid2;
struct lfsck_instance *lfsck = com->lc_lfsck;
struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
- struct lfsck_namespace *ns =
- (struct lfsck_namespace *)com->lc_file_ram;
+ struct lfsck_namespace *ns = com->lc_file_ram;
struct linkea_data ldata = { 0 };
struct thandle *handle = NULL;
bool locked = false;
if (rc == 0 && !lfsck_is_dead_obj(child) &&
ldata.ld_leh != NULL &&
ldata.ld_leh->leh_reccount != la->la_nlink)
- CWARN("%.16s: the object "DFID" linkEA entry count %u "
+ CWARN("%s: the object "DFID" linkEA entry count %u "
"may not match its hardlink count %u\n",
lfsck_lfsck2name(lfsck), PFID(cfid),
ldata.ld_leh->leh_reccount, la->la_nlink);
struct lfsck_component *com, bool init)
{
struct lfsck_instance *lfsck = com->lc_lfsck;
- struct lfsck_namespace *ns =
- (struct lfsck_namespace *)com->lc_file_ram;
+ struct lfsck_namespace *ns = com->lc_file_ram;
struct dt_object *root;
struct dt_object *dto;
int rc;
if (IS_ERR(root))
RETURN(PTR_ERR(root));
- dt_try_as_dir(env, root);
+ if (unlikely(!dt_try_as_dir(env, root))) {
+ lu_object_put(env, &root->do_lu);
+ RETURN(-ENOTDIR);
+ }
down_write(&com->lc_sem);
if (init) {
lfsck_namespace_fail(const struct lu_env *env, struct lfsck_component *com,
bool new_checked)
{
- struct lfsck_namespace *ns = (struct lfsck_namespace *)com->lc_file_ram;
+ struct lfsck_namespace *ns = com->lc_file_ram;
down_write(&com->lc_sem);
if (new_checked)
struct lfsck_component *com, bool init)
{
struct lfsck_instance *lfsck = com->lc_lfsck;
- struct lfsck_namespace *ns =
- (struct lfsck_namespace *)com->lc_file_ram;
+ struct lfsck_namespace *ns = com->lc_file_ram;
int rc;
if (com->lc_new_checked == 0 && !init)
struct lfsck_component *com)
{
struct lfsck_instance *lfsck = com->lc_lfsck;
- struct lfsck_namespace *ns =
- (struct lfsck_namespace *)com->lc_file_ram;
+ struct lfsck_namespace *ns = com->lc_file_ram;
struct lfsck_position *pos = &com->lc_pos_start;
if (ns->ln_status == LS_COMPLETED) {
struct lu_attr *la = &info->lti_la;
struct lfsck_instance *lfsck = com->lc_lfsck;
struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
- struct lfsck_namespace *ns =
- (struct lfsck_namespace *)com->lc_file_ram;
+ struct lfsck_namespace *ns = com->lc_file_ram;
struct linkea_data ldata = { 0 };
- const struct lu_fid *pfid =
- lu_object_fid(&lfsck->li_obj_dir->do_lu);
+ const struct lu_fid *pfid = lfsck_dto2fid(lfsck->li_obj_dir);
const struct lu_fid *cfid = lfsck_dto2fid(obj);
const struct lu_name *cname;
struct thandle *handle = NULL;
int result, bool init)
{
struct lfsck_instance *lfsck = com->lc_lfsck;
- struct lfsck_namespace *ns =
- (struct lfsck_namespace *)com->lc_file_ram;
+ struct lfsck_namespace *ns = com->lc_file_ram;
int rc;
down_write(&com->lc_sem);
{
struct lfsck_instance *lfsck = com->lc_lfsck;
struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
- struct lfsck_namespace *ns =
- (struct lfsck_namespace *)com->lc_file_ram;
+ struct lfsck_namespace *ns = com->lc_file_ram;
int save = len;
int ret = -ENOSPC;
int rc;
down_read(&com->lc_sem);
rc = snprintf(buf, len,
"name: lfsck_namespace\n"
- "magic: 0x%x\n"
+ "magic: %#x\n"
"version: %d\n"
"status: %s\n",
ns->ln_magic,
bk->lb_version,
- lfsck_status_names[ns->ln_status]);
+ lfsck_status2names(ns->ln_status));
if (rc <= 0)
goto out;
pos.lp_dir_cookie = 0;
} else {
pos.lp_dir_parent =
- *lu_object_fid(&lfsck->li_obj_dir->do_lu);
+ *lfsck_dto2fid(lfsck->li_obj_dir);
}
} else {
fid_zero(&pos.lp_dir_parent);
struct lfsck_instance *lfsck = com->lc_lfsck;
struct ptlrpc_thread *thread = &lfsck->li_thread;
struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
- struct lfsck_namespace *ns =
- (struct lfsck_namespace *)com->lc_file_ram;
+ struct lfsck_namespace *ns = com->lc_file_ram;
struct dt_object *obj = com->lc_obj;
const struct dt_it_ops *iops = &obj->do_index_ops->dio_it;
struct dt_object *target;
__u8 flags = 0;
ENTRY;
- lfsck->li_new_scanned = 0;
- lfsck->li_time_last_checkpoint = cfs_time_current();
- lfsck->li_time_next_checkpoint = lfsck->li_time_last_checkpoint +
+ com->lc_new_checked = 0;
+ com->lc_new_scanned = 0;
+ com->lc_time_last_checkpoint = cfs_time_current();
+ com->lc_time_next_checkpoint = com->lc_time_last_checkpoint +
cfs_time_seconds(LFSCK_CHECKPOINT_INTERVAL);
di = iops->init(env, obj, 0, BYPASS_CAPA);
lfsck_object_put(env, target);
checkpoint:
- lfsck->li_new_scanned++;
com->lc_new_checked++;
+ com->lc_new_scanned++;
ns->ln_fid_latest_scanned_phase2 = fid;
if (rc > 0)
ns->ln_objs_repaired_phase2++;
if (rc < 0 && bk->lb_param & LPF_FAILOUT)
GOTO(put, rc);
- if (unlikely(cfs_time_beforeq(lfsck->li_time_next_checkpoint,
+ if (unlikely(cfs_time_beforeq(com->lc_time_next_checkpoint,
cfs_time_current())) &&
com->lc_new_checked != 0) {
down_write(&com->lc_sem);
ns->ln_run_time_phase2 +=
cfs_duration_sec(cfs_time_current() +
- HALF_SEC - lfsck->li_time_last_checkpoint);
+ HALF_SEC - com->lc_time_last_checkpoint);
ns->ln_time_last_checkpoint = cfs_time_current_sec();
ns->ln_objs_checked_phase2 += com->lc_new_checked;
com->lc_new_checked = 0;
if (rc != 0)
GOTO(put, rc);
- lfsck->li_time_last_checkpoint = cfs_time_current();
- lfsck->li_time_next_checkpoint =
- lfsck->li_time_last_checkpoint +
+ com->lc_time_last_checkpoint = cfs_time_current();
+ com->lc_time_next_checkpoint =
+ com->lc_time_last_checkpoint +
cfs_time_seconds(LFSCK_CHECKPOINT_INTERVAL);
}
- lfsck_control_speed(lfsck);
+ lfsck_control_speed_by_self(com);
if (unlikely(!thread_is_running(thread)))
GOTO(put, rc = 0);
com->lc_journal = 0;
ns->ln_status = LS_COMPLETED;
if (!(bk->lb_param & LPF_DRYRUN))
- ns->ln_flags &=
- ~(LF_SCANNED_ONCE | LF_INCONSISTENT | LF_UPGRADE);
+ ns->ln_flags &= ~(LF_SCANNED_ONCE | LF_INCONSISTENT);
ns->ln_time_last_complete = ns->ln_time_last_checkpoint;
ns->ln_success_count++;
} else if (rc == 0) {
if (IS_ERR(root))
GOTO(out, rc = PTR_ERR(root));
- dt_try_as_dir(env, root);
+ if (unlikely(!dt_try_as_dir(env, root)))
+ GOTO(out, rc = -ENOTDIR);
+
obj = local_index_find_or_create(env, lfsck->li_los, root,
lfsck_namespace_name,
S_IFREG | S_IRUGO | S_IWUSR,
if (rc != 0)
GOTO(out, rc);
- ns = (struct lfsck_namespace *)com->lc_file_ram;
+ ns = com->lc_file_ram;
switch (ns->ln_status) {
case LS_INIT:
case LS_COMPLETED:
case LS_FAILED:
case LS_STOPPED:
+ spin_lock(&lfsck->li_lock);
cfs_list_add_tail(&com->lc_link, &lfsck->li_list_idle);
+ spin_unlock(&lfsck->li_lock);
break;
default:
- CERROR("%s: unknown lfsck_namespace status: %u\n",
+ CERROR("%s: unknown lfsck_namespace status: rc = %u\n",
lfsck_lfsck2name(lfsck), ns->ln_status);
/* fall through */
case LS_SCANNING_PHASE1:
/* fall through */
case LS_PAUSED:
case LS_CRASHED:
+ spin_lock(&lfsck->li_lock);
cfs_list_add_tail(&com->lc_link, &lfsck->li_list_scan);
cfs_list_add_tail(&com->lc_link_dir, &lfsck->li_list_dir);
+ spin_unlock(&lfsck->li_lock);
break;
}
git://git.whamcloud.com / fs / lustre-release.git / commitdiff