Whamcloud - gitweb
LU-4221 osd: add case LCFG_PARAM to osd_process_config
[fs/lustre-release.git] / lustre / osd-ldiskfs / osd_lproc.c
index 4e2cb99..b9b4e3d 100644 (file)
@@ -27,7 +27,7 @@
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, Whamcloud, Inc.
+ * Copyright (c) 2011, 2013, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -41,8 +41,6 @@
 #define DEBUG_SUBSYSTEM S_CLASS
 
 #include <lprocfs_status.h>
-#include <lu_time.h>
-
 #include <lustre/lustre_idl.h>
 
 #include "osd_internal.h"
@@ -65,7 +63,7 @@ void osd_brw_stats_update(struct osd_device *osd, struct osd_iobuf *iobuf)
         if (unlikely(nr_pages == 0))
                 return;
 
-        blocks_per_page = CFS_PAGE_SIZE >> osd_sb(osd)->s_blocksize_bits;
+       blocks_per_page = PAGE_CACHE_SIZE >> osd_sb(osd)->s_blocksize_bits;
 
         lprocfs_oh_tally_log2(&s->hist[BRW_R_PAGES+rw], nr_pages);
 
@@ -127,12 +125,12 @@ static void display_brw_stats(struct seq_file *seq, char *name, char *units,
 
 static void brw_stats_show(struct seq_file *seq, struct brw_stats *brw_stats)
 {
-        struct timeval now;
+       struct timeval now;
 
-        /* this sampling races with updates */
-        cfs_gettimeofday(&now);
-        seq_printf(seq, "snapshot_time:         %lu.%lu (secs.usecs)\n",
-                   now.tv_sec, now.tv_usec);
+       /* this sampling races with updates */
+       do_gettimeofday(&now);
+       seq_printf(seq, "snapshot_time:         %lu.%lu (secs.usecs)\n",
+                  now.tv_sec, now.tv_usec);
 
         display_brw_stats(seq, "pages per bulk r/w", "rpcs",
                           &brw_stats->hist[BRW_R_PAGES],
@@ -154,9 +152,9 @@ static void brw_stats_show(struct seq_file *seq, struct brw_stats *brw_stats)
                           &brw_stats->hist[BRW_R_RPC_HIST],
                           &brw_stats->hist[BRW_W_RPC_HIST], 0);
 
-        display_brw_stats(seq, "I/O time (1/1000s)", "ios",
-                          &brw_stats->hist[BRW_R_IO_TIME],
-                          &brw_stats->hist[BRW_W_IO_TIME], 1000 / CFS_HZ);
+       display_brw_stats(seq, "I/O time (1/1000s)", "ios",
+                         &brw_stats->hist[BRW_R_IO_TIME],
+                         &brw_stats->hist[BRW_W_IO_TIME], 1000 / HZ);
 
         display_brw_stats(seq, "disk I/O size", "ios",
                           &brw_stats->hist[BRW_R_DISK_IOSIZE],
@@ -195,7 +193,7 @@ static int osd_stats_init(struct osd_device *osd)
         ENTRY;
 
         for (i = 0; i < BRW_LAST; i++)
-                cfs_spin_lock_init(&osd->od_brw_stats.hist[i].oh_lock);
+               spin_lock_init(&osd->od_brw_stats.hist[i].oh_lock);
 
         osd->od_stats = lprocfs_alloc_stats(LPROC_OSD_LAST, 0);
         if (osd->od_stats != NULL) {
@@ -230,8 +228,8 @@ static int osd_stats_init(struct osd_device *osd)
                                      LPROCFS_CNTR_AVGMINMAX,
                                      "thandle closing", "usec");
 #endif
-                lprocfs_seq_create(osd->od_proc_entry, "brw_stats",
-                                   0444, &osd_brw_stats_fops, osd);
+               result = lprocfs_seq_create(osd->od_proc_entry, "brw_stats",
+                                           0644, &osd_brw_stats_fops, osd);
         } else
                 result = -ENOMEM;
 
@@ -239,17 +237,8 @@ out:
         RETURN(result);
 }
 
-static const char *osd_counter_names[] = {
-#if OSD_THANDLE_STATS
-        [LPROC_OSD_THANDLE_STARTING] = "thandle starting",
-        [LPROC_OSD_THANDLE_OPEN]     = "thandle open",
-        [LPROC_OSD_THANDLE_CLOSING]  = "thandle closing"
-#endif
-};
-
 int osd_procfs_init(struct osd_device *osd, const char *name)
 {
-        struct lprocfs_static_vars lvars;
         struct obd_type     *type;
         int                  rc;
         ENTRY;
@@ -262,9 +251,9 @@ int osd_procfs_init(struct osd_device *osd, const char *name)
         LASSERT(type != NULL);
 
         /* Find the type procroot and add the proc entry for this device */
-        lprocfs_osd_init_vars(&lvars);
         osd->od_proc_entry = lprocfs_register(name, type->typ_procroot,
-                                              lvars.obd_vars, &osd->od_dt_dev);
+                                             lprocfs_osd_obd_vars,
+                                             &osd->od_dt_dev);
         if (IS_ERR(osd->od_proc_entry)) {
                 rc = PTR_ERR(osd->od_proc_entry);
                 CERROR("Error %d setting up lprocfs for %s\n",
@@ -273,10 +262,6 @@ int osd_procfs_init(struct osd_device *osd, const char *name)
                 GOTO(out, rc);
         }
 
-        rc = lu_time_init(&osd->od_stats,
-                          osd->od_proc_entry,
-                          osd_counter_names, ARRAY_SIZE(osd_counter_names));
-
         rc = osd_stats_init(osd);
 
         EXIT;
@@ -288,8 +273,8 @@ out:
 
 int osd_procfs_fini(struct osd_device *osd)
 {
-        if (osd->od_stats)
-                lu_time_fini(&osd->od_stats);
+       if (osd->od_stats)
+               lprocfs_free_stats(&osd->od_stats);
 
         if (osd->od_proc_entry) {
                  lprocfs_remove(&osd->od_proc_entry);
@@ -298,23 +283,10 @@ int osd_procfs_fini(struct osd_device *osd)
         RETURN(0);
 }
 
-void osd_lprocfs_time_start(const struct lu_env *env)
-{
-        lu_lprocfs_time_start(env);
-}
-
-void osd_lprocfs_time_end(const struct lu_env *env, struct osd_device *osd,
-                          int idx)
-{
-        lu_lprocfs_time_end(env, osd->od_stats, idx);
-}
-
-
-
 static int lprocfs_osd_rd_fstype(char *page, char **start, off_t off, int count,
                                 int *eof, void *data)
 {
-        struct obd_device *osd = data;
+       struct osd_device *osd = osd_dt_dev(data);
 
         LASSERT(osd != NULL);
         return snprintf(page, count, "ldiskfs\n");
@@ -329,20 +301,78 @@ static int lprocfs_osd_rd_mntdev(char *page, char **start, off_t off, int count,
        if (unlikely(osd->od_mnt == NULL))
                 return -EINPROGRESS;
 
-       LASSERT(mnt_get_devname(osd->od_mnt));
        *eof = 1;
 
-       return snprintf(page, count, "%s\n",
-                       mnt_get_devname(osd->od_mnt));
+       return snprintf(page, count, "%s\n", osd->od_mntdev);
+}
+
+static int lprocfs_osd_rd_cache(char *page, char **start, off_t off,
+                               int count, int *eof, void *data)
+{
+       struct osd_device *osd = osd_dt_dev(data);
+
+       LASSERT(osd != NULL);
+       if (unlikely(osd->od_mnt == NULL))
+               return -EINPROGRESS;
+
+       return snprintf(page, count, "%u\n", osd->od_read_cache);
+}
+
+static int lprocfs_osd_wr_cache(struct file *file, const char *buffer,
+                               unsigned long count, void *data)
+{
+       struct osd_device       *osd = osd_dt_dev(data);
+       int                      val, rc;
+
+       LASSERT(osd != NULL);
+       if (unlikely(osd->od_mnt == NULL))
+               return -EINPROGRESS;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       osd->od_read_cache = !!val;
+       return count;
+}
+
+static int lprocfs_osd_rd_wcache(char *page, char **start, off_t off,
+                                int count, int *eof, void *data)
+{
+       struct osd_device *osd = osd_dt_dev(data);
+
+       LASSERT(osd != NULL);
+       if (unlikely(osd->od_mnt == NULL))
+               return -EINPROGRESS;
+
+       return snprintf(page, count, "%u\n", osd->od_writethrough_cache);
+}
+
+static int lprocfs_osd_wr_wcache(struct file *file, const char *buffer,
+                                unsigned long count, void *data)
+{
+       struct osd_device       *osd = osd_dt_dev(data);
+       int                      val, rc;
+
+       LASSERT(osd != NULL);
+       if (unlikely(osd->od_mnt == NULL))
+               return -EINPROGRESS;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       osd->od_writethrough_cache = !!val;
+       return count;
 }
 
 static int lprocfs_osd_wr_force_sync(struct file *file, const char *buffer,
                                     unsigned long count, void *data)
 {
-       struct osd_device *osd = osd_dt_dev(data);
-       struct dt_device  *dt = data;
-       struct lu_env      env;
-       int rc;
+       struct osd_device       *osd = osd_dt_dev(data);
+       struct dt_device        *dt = data;
+       struct lu_env            env;
+       int                      rc;
 
        LASSERT(osd != NULL);
        if (unlikely(osd->od_mnt == NULL))
@@ -357,7 +387,6 @@ static int lprocfs_osd_wr_force_sync(struct file *file, const char *buffer,
        return rc == 0 ? count : rc;
 }
 
-#ifdef HAVE_LDISKFS_PDO
 static int lprocfs_osd_rd_pdo(char *page, char **start, off_t off, int count,
                               int *eof, void *data)
 {
@@ -380,25 +409,24 @@ static int lprocfs_osd_wr_pdo(struct file *file, const char *buffer,
 
         return count;
 }
-#endif
 
 static int lprocfs_osd_rd_auto_scrub(char *page, char **start, off_t off,
                                     int count, int *eof, void *data)
 {
-       struct osd_device *dev = data;
+       struct osd_device *dev = osd_dt_dev(data);
 
        LASSERT(dev != NULL);
        if (unlikely(dev->od_mnt == NULL))
                return -EINPROGRESS;
 
        *eof = 1;
-       return snprintf(page, count, "%d\n", !dev->od_scrub.os_no_scrub);
+       return snprintf(page, count, "%d\n", !dev->od_noscrub);
 }
 
 static int lprocfs_osd_wr_auto_scrub(struct file *file, const char *buffer,
                                     unsigned long count, void *data)
 {
-       struct osd_device *dev = data;
+       struct osd_device *dev = osd_dt_dev(data);
        int val, rc;
 
        LASSERT(dev != NULL);
@@ -409,14 +437,39 @@ static int lprocfs_osd_wr_auto_scrub(struct file *file, const char *buffer,
        if (rc)
                return rc;
 
-       dev->od_scrub.os_no_scrub = !val;
+       dev->od_noscrub = !val;
+       return count;
+}
+
+static int lprocfs_osd_rd_track_declares_assert(char *page, char **start,
+                                               off_t off, int count,
+                                               int *eof, void *data)
+{
+       *eof = 1;
+
+       return snprintf(page, count, "%d\n", ldiskfs_track_declares_assert);
+}
+
+static int lprocfs_osd_wr_track_declares_assert(struct file *file,
+                                               const char *buffer,
+                                               unsigned long count, void *data)
+{
+       int     track_declares_assert;
+       int     rc;
+
+       rc = lprocfs_write_helper(buffer, count, &track_declares_assert);
+       if (rc != 0)
+               return rc;
+
+       ldiskfs_track_declares_assert = !!track_declares_assert;
+
        return count;
 }
 
 static int lprocfs_osd_rd_oi_scrub(char *page, char **start, off_t off,
                                   int count, int *eof, void *data)
 {
-       struct osd_device *dev = data;
+       struct osd_device *dev = osd_dt_dev(data);
 
        LASSERT(dev != NULL);
        if (unlikely(dev->od_mnt == NULL))
@@ -426,33 +479,103 @@ static int lprocfs_osd_rd_oi_scrub(char *page, char **start, off_t off,
        return osd_scrub_dump(dev, page, count);
 }
 
+int lprocfs_osd_rd_readcache(char *page, char **start, off_t off, int count,
+                            int *eof, void *data)
+{
+       struct osd_device       *osd = osd_dt_dev(data);
+       int                      rc;
+
+       LASSERT(osd != NULL);
+       if (unlikely(osd->od_mnt == NULL))
+               return -EINPROGRESS;
+
+       rc = snprintf(page, count, LPU64"\n", osd->od_readcache_max_filesize);
+       return rc;
+}
+
+int lprocfs_osd_wr_readcache(struct file *file, const char *buffer,
+                            unsigned long count, void *data)
+{
+       struct osd_device       *osd = osd_dt_dev(data);
+       __u64                    val;
+       int                      rc;
+
+       LASSERT(osd != NULL);
+       if (unlikely(osd->od_mnt == NULL))
+               return -EINPROGRESS;
+
+       rc = lprocfs_write_u64_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       osd->od_readcache_max_filesize = val > OSD_MAX_CACHE_SIZE ?
+                                        OSD_MAX_CACHE_SIZE : val;
+       return count;
+}
+
+static int lprocfs_osd_rd_lma_self_repair(char *page, char **start, off_t off,
+                                         int count, int *eof, void *data)
+{
+       struct osd_device *dev = osd_dt_dev(data);
+
+       LASSERT(dev != NULL);
+       if (unlikely(dev->od_mnt == NULL))
+               return -EINPROGRESS;
+
+       *eof = 1;
+       return snprintf(page, count, "%d\n", !!dev->od_lma_self_repair);
+}
+
+static int lprocfs_osd_wr_lma_self_repair(struct file *file, const char *buffer,
+                                         unsigned long count, void *data)
+{
+       struct osd_device *dev = osd_dt_dev(data);
+       int                val;
+       int                rc;
+
+       LASSERT(dev != NULL);
+       if (unlikely(dev->od_mnt == NULL))
+               return -EINPROGRESS;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       dev->od_lma_self_repair = !!val;
+       return count;
+}
+
 struct lprocfs_vars lprocfs_osd_obd_vars[] = {
-        { "blocksize",       lprocfs_osd_rd_blksize,     0, 0 },
-        { "kbytestotal",     lprocfs_osd_rd_kbytestotal, 0, 0 },
-        { "kbytesfree",      lprocfs_osd_rd_kbytesfree,  0, 0 },
-        { "kbytesavail",     lprocfs_osd_rd_kbytesavail, 0, 0 },
-        { "filestotal",      lprocfs_osd_rd_filestotal,  0, 0 },
-        { "filesfree",       lprocfs_osd_rd_filesfree,   0, 0 },
+       { "blocksize",          lprocfs_dt_rd_blksize,  0, 0 },
+       { "kbytestotal",        lprocfs_dt_rd_kbytestotal,      0, 0 },
+       { "kbytesfree",         lprocfs_dt_rd_kbytesfree,       0, 0 },
+       { "kbytesavail",        lprocfs_dt_rd_kbytesavail,      0, 0 },
+       { "filestotal",         lprocfs_dt_rd_filestotal,       0, 0 },
+       { "filesfree",          lprocfs_dt_rd_filesfree,        0, 0 },
         { "fstype",          lprocfs_osd_rd_fstype,      0, 0 },
         { "mntdev",          lprocfs_osd_rd_mntdev,      0, 0 },
        { "force_sync",      0, lprocfs_osd_wr_force_sync     },
-#ifdef HAVE_LDISKFS_PDO
         { "pdo",             lprocfs_osd_rd_pdo, lprocfs_osd_wr_pdo, 0 },
-#endif
        { "auto_scrub",      lprocfs_osd_rd_auto_scrub,
                             lprocfs_osd_wr_auto_scrub,  0 },
        { "oi_scrub",        lprocfs_osd_rd_oi_scrub,    0, 0 },
+       { "force_sync",         0, lprocfs_osd_wr_force_sync },
+       { "read_cache_enable",  lprocfs_osd_rd_cache, lprocfs_osd_wr_cache, 0 },
+       { "writethrough_cache_enable",  lprocfs_osd_rd_wcache,
+                                       lprocfs_osd_wr_wcache, 0 },
+       { "readcache_max_filesize",     lprocfs_osd_rd_readcache,
+                                       lprocfs_osd_wr_readcache, 0 },
+       { "lma_self_repair",    lprocfs_osd_rd_lma_self_repair,
+                               lprocfs_osd_wr_lma_self_repair, 0, 0 },
        { 0 }
 };
 
 struct lprocfs_vars lprocfs_osd_module_vars[] = {
         { "num_refs",        lprocfs_rd_numrefs,     0, 0 },
+       { "track_declares_assert",      lprocfs_osd_rd_track_declares_assert,
+                                       lprocfs_osd_wr_track_declares_assert,
+                                       0 },
         { 0 }
 };
 
-void lprocfs_osd_init_vars(struct lprocfs_static_vars *lvars)
-{
-        lvars->module_vars = lprocfs_osd_module_vars;
-        lvars->obd_vars = lprocfs_osd_obd_vars;
-}
 #endif