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b=17760 Separate locking for obd bitfield and recovery
[fs/lustre-release.git] / lustre / obdfilter / lproc_obdfilter.c
index e25568c..b13fa91 100644 (file)
@@ -26,7 +26,7 @@
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  */
 /*
@@ -82,18 +82,6 @@ static int lprocfs_filter_rd_tot_pending(char *page, char **start, off_t off,
         return snprintf(page, count, LPU64"\n", obd->u.filter.fo_tot_pending);
 }
 
-static int lprocfs_filter_rd_mntdev(char *page, char **start, off_t off,
-                                    int count, int *eof, void *data)
-{
-        struct obd_device *obd = (struct obd_device *)data;
-
-        LASSERT(obd != NULL);
-        LASSERT(obd->u.filter.fo_vfsmnt->mnt_devname);
-        *eof = 1;
-        return snprintf(page, count, "%s\n",
-                        obd->u.filter.fo_vfsmnt->mnt_devname);
-}
-
 static int lprocfs_filter_rd_last_id(char *page, char **start, off_t off,
                                      int count, int *eof, void *data)
 {
@@ -101,10 +89,16 @@ static int lprocfs_filter_rd_last_id(char *page, char **start, off_t off,
         struct filter_obd *filter = &obd->u.filter;
         int retval = 0, rc, i;
 
-        if (obd == NULL)
+        if (obd == NULL || !obd->obd_set_up || obd->obd_stopping)
                 return 0;
+        rc = snprintf(page, count, LPU64"\n",filter_last_id(filter, 0));
+        if (rc < 0)
+                return rc;
+        page += rc;
+        count -= rc;
+        retval += rc;
 
-        for (i = FILTER_GROUP_MDS0; i < filter->fo_group_count; i++) {
+        for (i = FID_SEQ_OST_MDT1; i < filter->fo_group_count; i++) {
                 rc = snprintf(page, count, LPU64"\n",filter_last_id(filter, i));
                 if (rc < 0) {
                         retval = rc;
@@ -143,7 +137,6 @@ int lprocfs_filter_wr_readcache(struct file *file, const char *buffer,
         return count;
 }
 
-
 int lprocfs_filter_rd_fmd_max_num(char *page, char **start, off_t off,
                                   int count, int *eof, void *data)
 {
@@ -178,7 +171,8 @@ int lprocfs_filter_rd_fmd_max_age(char *page, char **start, off_t off,
         struct obd_device *obd = data;
         int rc;
 
-        rc = snprintf(page, count, "%u\n", obd->u.filter.fo_fmd_max_age / HZ);
+        rc = snprintf(page, count, "%u\n",
+                      obd->u.filter.fo_fmd_max_age / CFS_HZ);
         return rc;
 }
 
@@ -196,7 +190,7 @@ int lprocfs_filter_wr_fmd_max_age(struct file *file, const char *buffer,
         if (val > 65536 || val < 1)
                 return -EINVAL;
 
-        obd->u.filter.fo_fmd_max_age = val * HZ;
+        obd->u.filter.fo_fmd_max_age = val * CFS_HZ;
         return count;
 }
 
@@ -242,6 +236,197 @@ static int lprocfs_filter_rd_capa_count(char *page, char **start, off_t off,
                         capa_count[CAPA_SITE_SERVER]);
 }
 
+static int lprocfs_rd_sec_level(char *page, char **start, off_t off,
+                                int count, int *eof, void *data)
+{
+        struct obd_device *obd = data;
+
+        return snprintf(page, count, "%d\n", obd->u.filter.fo_sec_level);
+}
+
+static int lprocfs_wr_sec_level(struct file *file, const char *buffer,
+                                unsigned long count, void *data)
+{
+        struct obd_device *obd = data;
+        int val, rc;
+
+        rc = lprocfs_write_helper(buffer, count, &val);
+        if (rc)
+                return rc;
+
+        if (val > LUSTRE_SEC_ALL || val < LUSTRE_SEC_NONE)
+                return -EINVAL;
+
+        if (val == LUSTRE_SEC_SPECIFY) {
+                CWARN("security level %d will be supported in future.\n",
+                      LUSTRE_SEC_SPECIFY);
+                return -EINVAL;
+        }
+
+        obd->u.filter.fo_sec_level = val;
+        return count;
+}
+
+static int lprocfs_filter_rd_cache(char *page, char **start, off_t off,
+                                   int count, int *eof, void *data)
+{
+        struct obd_device *obd = (struct obd_device *)data;
+        LASSERT(obd != NULL);
+
+        return snprintf(page, count, "%u\n", obd->u.filter.fo_read_cache);
+}
+
+static int lprocfs_filter_wr_cache(struct file *file, const char *buffer,
+                     unsigned long count, void *data)
+{
+        struct obd_device *obd = (struct obd_device *)data;
+        int val, rc;
+        LASSERT(obd != NULL);
+
+        rc = lprocfs_write_helper(buffer, count, &val);
+
+        if (rc)
+                return rc;
+
+        cfs_spin_lock_bh(&obd->u.filter.fo_flags_lock);
+        obd->u.filter.fo_read_cache = !!val;
+        cfs_spin_unlock_bh(&obd->u.filter.fo_flags_lock);
+        return count;
+}
+
+static int lprocfs_filter_rd_wcache(char *page, char **start, off_t off,
+                                   int count, int *eof, void *data)
+{
+        struct obd_device *obd = (struct obd_device *)data;
+        LASSERT(obd != NULL);
+
+        return snprintf(page, count, "%u\n", obd->u.filter.fo_writethrough_cache);
+}
+
+static int lprocfs_filter_wr_wcache(struct file *file, const char *buffer,
+                     unsigned long count, void *data)
+{
+        struct obd_device *obd = (struct obd_device *)data;
+        int val, rc;
+        LASSERT(obd != NULL);
+
+        rc = lprocfs_write_helper(buffer, count, &val);
+
+        if (rc)
+                return rc;
+
+        cfs_spin_lock(&obd->u.filter.fo_flags_lock);
+        obd->u.filter.fo_writethrough_cache = !!val;
+        cfs_spin_unlock(&obd->u.filter.fo_flags_lock);
+        return count;
+}
+
+static int lprocfs_filter_rd_mds_sync(char *page, char **start, off_t off,
+                                      int count, int *eof, void *data)
+{
+        struct obd_device *obd = (struct obd_device *)data;
+        LASSERT(obd != NULL);
+
+        return snprintf(page, count, "%u\n", obd->u.filter.fo_mds_ost_sync);
+}
+
+int lprocfs_filter_rd_degraded(char *page, char **start, off_t off,
+                               int count, int *eof, void *data)
+{
+        struct obd_device *obd = data;
+
+        return snprintf(page, count, "%u\n", obd->u.filter.fo_raid_degraded);
+}
+
+int lprocfs_filter_wr_degraded(struct file *file, const char *buffer,
+                               unsigned long count, void *data)
+{
+        struct obd_device *obd = data;
+        int val, rc;
+
+        rc = lprocfs_write_helper(buffer, count, &val);
+        if (rc)
+                return rc;
+
+        cfs_spin_lock(&obd->u.filter.fo_flags_lock);
+        obd->u.filter.fo_raid_degraded = !!val;
+        cfs_spin_unlock(&obd->u.filter.fo_flags_lock);
+        return count;
+}
+
+int lprocfs_filter_rd_syncjournal(char *page, char **start, off_t off,
+                                  int count, int *eof, void *data)
+{
+        struct obd_device *obd = data;
+        int rc;
+
+        rc = snprintf(page, count, "%u\n", obd->u.filter.fo_syncjournal);
+        return rc;
+}
+
+int lprocfs_filter_wr_syncjournal(struct file *file, const char *buffer,
+                                  unsigned long count, void *data)
+{
+        struct obd_device *obd = data;
+        int val;
+        int rc;
+
+        rc = lprocfs_write_helper(buffer, count, &val);
+        if (rc)
+                return rc;
+
+        if (val < 0)
+                return -EINVAL;
+
+        obd->u.filter.fo_syncjournal = !!val;
+        filter_slc_set(&obd->u.filter);
+
+        return count;
+}
+
+static char *sync_on_cancel_states[] = {"never",
+                                        "blocking",
+                                        "always" };
+
+int lprocfs_filter_rd_sync_lock_cancel(char *page, char **start, off_t off,
+                                       int count, int *eof, void *data)
+{
+        struct obd_device *obd = data;
+        int rc;
+
+        rc = snprintf(page, count, "%s\n",
+                      sync_on_cancel_states[obd->u.filter.fo_sync_lock_cancel]);
+        return rc;
+}
+
+int lprocfs_filter_wr_sync_lock_cancel(struct file *file, const char *buffer,
+                                          unsigned long count, void *data)
+{
+        struct obd_device *obd = data;
+        int val = -1;
+        int i;
+
+        for (i = 0 ; i < NUM_SYNC_ON_CANCEL_STATES; i++) {
+                if (memcmp(buffer, sync_on_cancel_states[i],
+                    strlen(sync_on_cancel_states[i])) == 0) {
+                        val = i;
+                        break;
+                }
+        }
+        if (val == -1) {
+                int rc;
+                rc = lprocfs_write_helper(buffer, count, &val);
+                if (rc)
+                        return rc;
+        }
+
+        if (val < 0 || val > 2)
+                return -EINVAL;
+
+        obd->u.filter.fo_sync_lock_cancel = val;
+        return count;
+}
+
 static struct lprocfs_vars lprocfs_filter_obd_vars[] = {
         { "uuid",         lprocfs_rd_uuid,          0, 0 },
         { "blocksize",    lprocfs_rd_blksize,       0, 0 },
@@ -252,15 +437,17 @@ static struct lprocfs_vars lprocfs_filter_obd_vars[] = {
         { "filesfree",    lprocfs_rd_filesfree,     0, 0 },
         { "filegroups",   lprocfs_filter_rd_groups, 0, 0 },
         { "fstype",       lprocfs_rd_fstype,        0, 0 },
-        { "mntdev",       lprocfs_filter_rd_mntdev, 0, 0 },
+        { "mntdev",       lprocfs_obd_rd_mntdev,    0, 0 },
         { "last_id",      lprocfs_filter_rd_last_id,0, 0 },
         { "tot_dirty",    lprocfs_filter_rd_tot_dirty,   0, 0 },
         { "tot_pending",  lprocfs_filter_rd_tot_pending, 0, 0 },
         { "tot_granted",  lprocfs_filter_rd_tot_granted, 0, 0 },
         { "hash_stats",   lprocfs_obd_rd_hash,      0, 0 },
-        { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 },
-        { "recovery_maxtime", lprocfs_obd_rd_recovery_maxtime,
-                              lprocfs_obd_wr_recovery_maxtime, 0},
+        { "recovery_status",    lprocfs_obd_rd_recovery_status, 0, 0 },
+        { "recovery_time_soft", lprocfs_obd_rd_recovery_time_soft,
+                                lprocfs_obd_wr_recovery_time_soft, 0},
+        { "recovery_time_hard", lprocfs_obd_rd_recovery_time_hard,
+                                lprocfs_obd_wr_recovery_time_hard, 0},
         { "evict_client", 0, lprocfs_wr_evict_client, 0,
                                 &lprocfs_evict_client_fops},
         { "num_exports",  lprocfs_rd_num_exports,   0, 0 },
@@ -268,11 +455,8 @@ static struct lprocfs_vars lprocfs_filter_obd_vars[] = {
                           lprocfs_filter_rd_readcache,
                           lprocfs_filter_wr_readcache, 0 },
 #ifdef HAVE_QUOTA_SUPPORT
-        { "quota_bunit_sz", lprocfs_rd_bunit, lprocfs_wr_bunit, 0},
-        { "quota_btune_sz", lprocfs_rd_btune, lprocfs_wr_btune, 0},
-        { "quota_iunit_sz", lprocfs_rd_iunit, lprocfs_wr_iunit, 0},
-        { "quota_itune_sz", lprocfs_rd_itune, lprocfs_wr_itune, 0},
-        { "quota_type",     lprocfs_rd_type, lprocfs_wr_type, 0},
+        { "quota_type",     lprocfs_quota_rd_type,
+                            lprocfs_quota_wr_type, 0},
 #endif
         { "client_cache_count", lprocfs_filter_rd_fmd_max_num,
                           lprocfs_filter_wr_fmd_max_num, 0 },
@@ -281,6 +465,18 @@ static struct lprocfs_vars lprocfs_filter_obd_vars[] = {
         { "capa",         lprocfs_filter_rd_capa,
                           lprocfs_filter_wr_capa, 0 },
         { "capa_count",   lprocfs_filter_rd_capa_count, 0, 0 },
+        { "sec_level",    lprocfs_rd_sec_level,
+                          lprocfs_wr_sec_level,            0 },
+        { "read_cache_enable", lprocfs_filter_rd_cache, lprocfs_filter_wr_cache, 0},
+        { "writethrough_cache_enable", lprocfs_filter_rd_wcache,
+                          lprocfs_filter_wr_wcache, 0},
+        { "mds_sync",     lprocfs_filter_rd_mds_sync, 0, 0},
+        { "degraded",     lprocfs_filter_rd_degraded,
+                          lprocfs_filter_wr_degraded, 0 },
+        { "sync_journal", lprocfs_filter_rd_syncjournal,
+                          lprocfs_filter_wr_syncjournal, 0 },
+        { "sync_on_lock_cancel", lprocfs_filter_rd_sync_lock_cancel,
+                                 lprocfs_filter_wr_sync_lock_cancel, 0 },
         { 0 }
 };
 
@@ -293,7 +489,6 @@ void filter_tally(struct obd_export *exp, struct page **pages, int nr_pages,
                   unsigned long *blocks, int blocks_per_page, int wr)
 {
         struct filter_obd *filter = &exp->exp_obd->u.filter;
-        struct filter_export_data *fed = &exp->exp_filter_data;
         struct page *last_page = NULL;
         unsigned long *last_block = NULL;
         unsigned long discont_pages = 0;
@@ -305,11 +500,9 @@ void filter_tally(struct obd_export *exp, struct page **pages, int nr_pages,
 
         lprocfs_oh_tally_log2(&filter->fo_filter_stats.hist[BRW_R_PAGES + wr],
                               nr_pages);
-        lprocfs_oh_tally_log2(&fed->fed_brw_stats.hist[BRW_R_PAGES + wr],
-                              nr_pages);
         if (exp->exp_nid_stats && exp->exp_nid_stats->nid_brw_stats)
-                lprocfs_oh_tally_log2(&exp->exp_nid_stats->nid_brw_stats->hist[BRW_W_PAGES + wr],
-                                      nr_pages);
+                lprocfs_oh_tally_log2(&exp->exp_nid_stats->nid_brw_stats->
+                                        hist[BRW_R_PAGES + wr], nr_pages);
 
         while (nr_pages-- > 0) {
                 if (last_page && (*pages)->index != (last_page->index + 1))
@@ -325,17 +518,15 @@ void filter_tally(struct obd_export *exp, struct page **pages, int nr_pages,
 
         lprocfs_oh_tally(&filter->fo_filter_stats.hist[BRW_R_DISCONT_PAGES +wr],
                          discont_pages);
-        lprocfs_oh_tally(&fed->fed_brw_stats.hist[BRW_R_DISCONT_PAGES + wr],
-                         discont_pages);
         lprocfs_oh_tally(&filter->fo_filter_stats.hist[BRW_R_DISCONT_BLOCKS+wr],
                          discont_blocks);
-        lprocfs_oh_tally(&fed->fed_brw_stats.hist[BRW_R_DISCONT_BLOCKS + wr],
-                         discont_blocks);
 
         if (exp->exp_nid_stats && exp->exp_nid_stats->nid_brw_stats) {
-                lprocfs_oh_tally_log2(&exp->exp_nid_stats->nid_brw_stats->hist[BRW_W_DISCONT_PAGES + wr],
+                lprocfs_oh_tally_log2(&exp->exp_nid_stats->nid_brw_stats->
+                                        hist[BRW_R_DISCONT_PAGES + wr],
                                       discont_pages);
-                lprocfs_oh_tally_log2(&exp->exp_nid_stats->nid_brw_stats->hist[BRW_W_DISCONT_BLOCKS + wr],
+                lprocfs_oh_tally_log2(&exp->exp_nid_stats->nid_brw_stats->
+                                        hist[BRW_R_DISCONT_BLOCKS + wr],
                                       discont_blocks);
         }
 }
@@ -349,7 +540,7 @@ static void display_brw_stats(struct seq_file *seq, char *name, char *units,
         int i;
 
         seq_printf(seq, "\n%26s read      |     write\n", " ");
-        seq_printf(seq, "%-22s %-5s %% cum %% |  %-5s %% cum %%\n", 
+        seq_printf(seq, "%-22s %-5s %% cum %% |  %-5s %% cum %%\n",
                    name, units, units);
 
         read_tot = lprocfs_oh_sum(read);
@@ -362,7 +553,7 @@ static void display_brw_stats(struct seq_file *seq, char *name, char *units,
                 if (read_cum == 0 && write_cum == 0)
                         continue;
 
-                if (!log2) 
+                if (!log2)
                         seq_printf(seq, "%u", i);
                 else if (i < 10)
                         seq_printf(seq, "%u", 1<<i);
@@ -372,7 +563,7 @@ static void display_brw_stats(struct seq_file *seq, char *name, char *units,
                         seq_printf(seq, "%uM", 1<<(i-20));
 
                 seq_printf(seq, ":\t\t%10lu %3lu %3lu   | %4lu %3lu %3lu\n",
-                           r, pct(r, read_tot), pct(read_cum, read_tot), 
+                           r, pct(r, read_tot), pct(read_cum, read_tot),
                            w, pct(w, write_tot), pct(write_cum, write_tot));
 
                 if (read_cum == read_tot && write_cum == write_tot)
@@ -385,7 +576,7 @@ static void brw_stats_show(struct seq_file *seq, struct brw_stats *brw_stats)
         struct timeval now;
 
         /* this sampling races with updates */
-        do_gettimeofday(&now);
+        cfs_gettimeofday(&now);
         seq_printf(seq, "snapshot_time:         %lu.%lu (secs.usecs)\n",
                    now.tv_sec, now.tv_usec);
 
@@ -411,7 +602,7 @@ static void brw_stats_show(struct seq_file *seq, struct brw_stats *brw_stats)
 
         {
                 char title[24];
-                sprintf(title, "I/O time (1/%ds)", HZ);
+                sprintf(title, "I/O time (1/%ds)", CFS_HZ);
                 display_brw_stats(seq, title, "ios",
                                   &brw_stats->hist[BRW_R_IO_TIME],
                                   &brw_stats->hist[BRW_W_IO_TIME], 1);
@@ -456,30 +647,6 @@ int lproc_filter_attach_seqstat(struct obd_device *dev)
                                       &filter_brw_stats_fops, dev);
 }
 
-static int filter_per_export_stats_seq_show(struct seq_file *seq, void *v)
-{
-        struct filter_export_data *fed = seq->private;
-
-        brw_stats_show(seq, &fed->fed_brw_stats);
-
-        return 0;
-}
-
-static ssize_t filter_per_export_stats_seq_write(struct file *file,
-                                       const char *buf, size_t len, loff_t *off)
-{
-        struct seq_file *seq = file->private_data;
-        struct filter_export_data *fed = seq->private;
-        int i;
-
-        for (i = 0; i < BRW_LAST; i++)
-                lprocfs_oh_clear(&fed->fed_brw_stats.hist[i]);
-
-        return len;
-}
-
-LPROC_SEQ_FOPS(filter_per_export_stats);
-
 void lprocfs_filter_init_vars(struct lprocfs_static_vars *lvars)
 {
     lvars->module_vars  = lprocfs_filter_module_vars;
@@ -488,10 +655,10 @@ void lprocfs_filter_init_vars(struct lprocfs_static_vars *lvars)
 
 static int filter_per_nid_stats_seq_show(struct seq_file *seq, void *v)
 {
-        nid_stat_t *tmp = seq->private;
+        nid_stat_t * stat = seq->private;
 
-        if (tmp->nid_brw_stats)
-                brw_stats_show(seq, tmp->nid_brw_stats);
+        if (stat->nid_brw_stats)
+                brw_stats_show(seq, stat->nid_brw_stats);
 
         return 0;
 }
@@ -500,13 +667,13 @@ static ssize_t filter_per_nid_stats_seq_write(struct file *file,
                                               const char *buf, size_t len,
                                               loff_t *off)
 {
-        struct seq_file *seq = file->private_data;
-        nid_stat_t *tmp = seq->private;
+        struct seq_file *seq  = file->private_data;
+        nid_stat_t      *stat = seq->private;
         int i;
 
-        if (tmp->nid_brw_stats)
+        if (stat->nid_brw_stats)
                 for (i = 0; i < BRW_LAST; i++)
-                        lprocfs_oh_clear(&tmp->nid_brw_stats->hist[i]);
+                        lprocfs_oh_clear(&stat->nid_brw_stats->hist[i]);
 
         return len;
 }