]> git.sesse.net Git - bcachefs-tools-debian/blobdiff - libbcachefs/sysfs.c
Update bcachefs sources to 783085c3cc44 kbuild: Allow gcov to be enabled on the comma...
[bcachefs-tools-debian] / libbcachefs / sysfs.c
index 3145a0ad63bbd025fb907cec12a51b3fda05dc45..264c46b456c2af470dfdc9d5745fe676efa0795d 100644 (file)
@@ -113,10 +113,6 @@ do {                                                                       \
                prt_human_readable_s64(out, val);                       \
 } while (0)
 
-#define var_printf(_var, fmt)  sysfs_printf(_var, fmt, var(_var))
-#define var_print(_var)                sysfs_print(_var, var(_var))
-#define var_hprint(_var)       sysfs_hprint(_var, var(_var))
-
 #define sysfs_strtoul(file, var)                                       \
 do {                                                                   \
        if (attr == &sysfs_ ## file)                                    \
@@ -139,30 +135,6 @@ do {                                                                       \
        _v;                                                             \
 })
 
-#define strtoul_restrict_or_return(cp, min, max)                       \
-({                                                                     \
-       unsigned long __v = 0;                                          \
-       int _r = strtoul_safe_restrict(cp, __v, min, max);              \
-       if (_r)                                                         \
-               return _r;                                              \
-       __v;                                                            \
-})
-
-#define strtoi_h_or_return(cp)                                         \
-({                                                                     \
-       u64 _v;                                                         \
-       int _r = strtoi_h(cp, &_v);                                     \
-       if (_r)                                                         \
-               return _r;                                              \
-       _v;                                                             \
-})
-
-#define sysfs_hatoi(file, var)                                         \
-do {                                                                   \
-       if (attr == &sysfs_ ## file)                                    \
-               return strtoi_h(buf, &var) ?: (ssize_t) size;           \
-} while (0)
-
 write_attribute(trigger_gc);
 write_attribute(trigger_discards);
 write_attribute(trigger_invalidates);
@@ -177,7 +149,9 @@ read_attribute(bucket_size);
 read_attribute(first_bucket);
 read_attribute(nbuckets);
 rw_attribute(durability);
-read_attribute(iodone);
+read_attribute(io_done);
+read_attribute(io_errors);
+write_attribute(io_errors_reset);
 
 read_attribute(io_latency_read);
 read_attribute(io_latency_write);
@@ -202,7 +176,7 @@ read_attribute(nocow_lock_table);
 #ifdef BCH_WRITE_REF_DEBUG
 read_attribute(write_refs);
 
-const char * const bch2_write_refs[] = {
+static const char * const bch2_write_refs[] = {
 #define x(n)   #n,
        BCH_WRITE_REFS()
 #undef x
@@ -240,7 +214,7 @@ read_attribute(copy_gc_wait);
 
 rw_attribute(rebalance_enabled);
 sysfs_pd_controller_attribute(rebalance);
-read_attribute(rebalance_work);
+read_attribute(rebalance_status);
 rw_attribute(promote_whole_extents);
 
 read_attribute(new_stripes);
@@ -248,7 +222,6 @@ read_attribute(new_stripes);
 read_attribute(io_timers_read);
 read_attribute(io_timers_write);
 
-read_attribute(data_jobs);
 read_attribute(moving_ctxts);
 
 #ifdef CONFIG_BCACHEFS_TESTS
@@ -281,7 +254,7 @@ static size_t bch2_btree_cache_size(struct bch_fs *c)
 
 static int bch2_compression_stats_to_text(struct printbuf *out, struct bch_fs *c)
 {
-       struct btree_trans trans;
+       struct btree_trans *trans;
        struct btree_iter iter;
        struct bkey_s_c k;
        enum btree_id id;
@@ -292,18 +265,18 @@ static int bch2_compression_stats_to_text(struct printbuf *out, struct bch_fs *c
            incompressible_sectors = 0,
            compressed_sectors_compressed = 0,
            compressed_sectors_uncompressed = 0;
-       int ret;
+       int ret = 0;
 
        if (!test_bit(BCH_FS_STARTED, &c->flags))
                return -EPERM;
 
-       bch2_trans_init(&trans, c, 0, 0);
+       trans = bch2_trans_get(c);
 
        for (id = 0; id < BTREE_ID_NR; id++) {
                if (!btree_type_has_ptrs(id))
                        continue;
 
-               for_each_btree_key(&trans, iter, id, POS_MIN,
+               for_each_btree_key(trans, iter, id, POS_MIN,
                                   BTREE_ITER_ALL_SNAPSHOTS, k, ret) {
                        struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k);
                        const union bch_extent_entry *entry;
@@ -337,10 +310,10 @@ static int bch2_compression_stats_to_text(struct printbuf *out, struct bch_fs *c
                        else if (compressed)
                                nr_compressed_extents++;
                }
-               bch2_trans_iter_exit(&trans, &iter);
+               bch2_trans_iter_exit(trans, &iter);
        }
 
-       bch2_trans_exit(&trans);
+       bch2_trans_put(trans);
 
        if (ret)
                return ret;
@@ -370,7 +343,7 @@ static int bch2_compression_stats_to_text(struct printbuf *out, struct bch_fs *c
 
 static void bch2_gc_gens_pos_to_text(struct printbuf *out, struct bch_fs *c)
 {
-       prt_printf(out, "%s: ", bch2_btree_ids[c->gc_gens_btree]);
+       prt_printf(out, "%s: ", bch2_btree_id_str(c->gc_gens_btree));
        bch2_bpos_to_text(out, c->gc_gens_pos);
        prt_printf(out, "\n");
 }
@@ -415,8 +388,8 @@ SHOW(bch2_fs)
        if (attr == &sysfs_copy_gc_wait)
                bch2_copygc_wait_to_text(out, c);
 
-       if (attr == &sysfs_rebalance_work)
-               bch2_rebalance_work_to_text(out, c);
+       if (attr == &sysfs_rebalance_status)
+               bch2_rebalance_status_to_text(out, c);
 
        sysfs_print(promote_whole_extents,      c->promote_whole_extents);
 
@@ -458,9 +431,6 @@ SHOW(bch2_fs)
        if (attr == &sysfs_io_timers_write)
                bch2_io_timers_to_text(out, &c->io_clock[WRITE]);
 
-       if (attr == &sysfs_data_jobs)
-               bch2_data_jobs_to_text(out, c);
-
        if (attr == &sysfs_moving_ctxts)
                bch2_fs_moving_ctxts_to_text(out, c);
 
@@ -526,7 +496,7 @@ STORE(bch2_fs)
 
                sc.gfp_mask = GFP_KERNEL;
                sc.nr_to_scan = strtoul_or_return(buf);
-               c->btree_cache.shrink.scan_objects(&c->btree_cache.shrink, &sc);
+               c->btree_cache.shrink->scan_objects(c->btree_cache.shrink, &sc);
        }
 
        if (attr == &sysfs_btree_wakeup)
@@ -678,10 +648,9 @@ struct attribute *bch2_fs_internal_files[] = {
        &sysfs_copy_gc_wait,
 
        &sysfs_rebalance_enabled,
-       &sysfs_rebalance_work,
+       &sysfs_rebalance_status,
        sysfs_pd_controller_files(rebalance),
 
-       &sysfs_data_jobs,
        &sysfs_moving_ctxts,
 
        &sysfs_internal_uuid,
@@ -740,10 +709,8 @@ STORE(bch2_fs_opts_dir)
        bch2_opt_set_by_id(&c->opts, id, v);
 
        if ((id == Opt_background_target ||
-            id == Opt_background_compression) && v) {
-               bch2_rebalance_add_work(c, S64_MAX);
-               rebalance_wakeup(c);
-       }
+            id == Opt_background_compression) && v)
+               bch2_set_rebalance_needs_scan(c, 0);
 
        ret = size;
 err:
@@ -915,7 +882,7 @@ static const char * const bch2_rw[] = {
        NULL
 };
 
-static void dev_iodone_to_text(struct printbuf *out, struct bch_dev *ca)
+static void dev_io_done_to_text(struct printbuf *out, struct bch_dev *ca)
 {
        int rw, i;
 
@@ -943,13 +910,8 @@ SHOW(bch2_dev)
        sysfs_print(discard,            ca->mi.discard);
 
        if (attr == &sysfs_label) {
-               if (ca->mi.group) {
-                       mutex_lock(&c->sb_lock);
-                       bch2_disk_path_to_text(out, c->disk_sb.sb,
-                                              ca->mi.group - 1);
-                       mutex_unlock(&c->sb_lock);
-               }
-
+               if (ca->mi.group)
+                       bch2_disk_path_to_text(out, c, ca->mi.group - 1);
                prt_char(out, '\n');
        }
 
@@ -963,8 +925,11 @@ SHOW(bch2_dev)
                prt_char(out, '\n');
        }
 
-       if (attr == &sysfs_iodone)
-               dev_iodone_to_text(out, ca);
+       if (attr == &sysfs_io_done)
+               dev_io_done_to_text(out, ca);
+
+       if (attr == &sysfs_io_errors)
+               bch2_dev_io_errors_to_text(out, ca);
 
        sysfs_print(io_latency_read,            atomic64_read(&ca->cur_latency[READ]));
        sysfs_print(io_latency_write,           atomic64_read(&ca->cur_latency[WRITE]));
@@ -995,7 +960,7 @@ STORE(bch2_dev)
                bool v = strtoul_or_return(buf);
 
                mutex_lock(&c->sb_lock);
-               mi = &bch2_sb_get_members(c->disk_sb.sb)->members[ca->dev_idx];
+               mi = bch2_members_v2_get_mut(c->disk_sb.sb, ca->dev_idx);
 
                if (v != BCH_MEMBER_DISCARD(mi)) {
                        SET_BCH_MEMBER_DISCARD(mi, v);
@@ -1008,9 +973,9 @@ STORE(bch2_dev)
                u64 v = strtoul_or_return(buf);
 
                mutex_lock(&c->sb_lock);
-               mi = &bch2_sb_get_members(c->disk_sb.sb)->members[ca->dev_idx];
+               mi = bch2_members_v2_get_mut(c->disk_sb.sb, ca->dev_idx);
 
-               if (v != BCH_MEMBER_DURABILITY(mi)) {
+               if (v + 1 != BCH_MEMBER_DURABILITY(mi)) {
                        SET_BCH_MEMBER_DURABILITY(mi, v + 1);
                        bch2_write_super(c);
                }
@@ -1031,6 +996,9 @@ STORE(bch2_dev)
                        return ret;
        }
 
+       if (attr == &sysfs_io_errors_reset)
+               bch2_dev_errors_reset(ca);
+
        return size;
 }
 SYSFS_OPS(bch2_dev);
@@ -1048,7 +1016,9 @@ struct attribute *bch2_dev_files[] = {
        &sysfs_label,
 
        &sysfs_has_data,
-       &sysfs_iodone,
+       &sysfs_io_done,
+       &sysfs_io_errors,
+       &sysfs_io_errors_reset,
 
        &sysfs_io_latency_read,
        &sysfs_io_latency_write,