New upstream version 1.11.0+dfsgupstream/1.11.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 714 deletions

diff --git a/src/sys_fs_btrfs.c b/src/sys_fs_btrfs.c
deleted file mode 100644
index a8dfb5c91..000000000
--- a/src/sys_fs_btrfs.c
+++ /dev/null
@@ -1,714 +0,0 @@
-#include "common.h"
-
-typedef struct btrfs_disk {
-    char *name;
-    uint32_t hash;
-    int exists;
-
-    char *size_filename;
-    char *hw_sector_size_filename;
-    unsigned long long size;
-    unsigned long long hw_sector_size;
-
-    struct btrfs_disk *next;
-} BTRFS_DISK;
-
-typedef struct btrfs_node {
-    int exists;
-    int logged_error;
-
-    char *id;
-    uint32_t hash;
-
-    char *label;
-
-    // unsigned long long int sectorsize;
-    // unsigned long long int nodesize;
-    // unsigned long long int quota_override;
-
-    #define declare_btrfs_allocation_section_field(SECTION, FIELD) \
-        char *allocation_ ## SECTION ## _ ## FIELD ## _filename; \
-        unsigned long long int allocation_ ## SECTION ## _ ## FIELD;
-
-    #define declare_btrfs_allocation_field(FIELD) \
-        char *allocation_ ## FIELD ## _filename; \
-        unsigned long long int allocation_ ## FIELD;
-
-    RRDSET *st_allocation_disks;
-    RRDDIM *rd_allocation_disks_unallocated;
-    RRDDIM *rd_allocation_disks_data_used;
-    RRDDIM *rd_allocation_disks_data_free;
-    RRDDIM *rd_allocation_disks_metadata_used;
-    RRDDIM *rd_allocation_disks_metadata_free;
-    RRDDIM *rd_allocation_disks_system_used;
-    RRDDIM *rd_allocation_disks_system_free;
-    unsigned long long all_disks_total;
-
-    RRDSET *st_allocation_data;
-    RRDDIM *rd_allocation_data_free;
-    RRDDIM *rd_allocation_data_used;
-    declare_btrfs_allocation_section_field(data, total_bytes)
-    declare_btrfs_allocation_section_field(data, bytes_used)
-    declare_btrfs_allocation_section_field(data, disk_total)
-    declare_btrfs_allocation_section_field(data, disk_used)
-
-    RRDSET *st_allocation_metadata;
-    RRDDIM *rd_allocation_metadata_free;
-    RRDDIM *rd_allocation_metadata_used;
-    RRDDIM *rd_allocation_metadata_reserved;
-    declare_btrfs_allocation_section_field(metadata, total_bytes)
-    declare_btrfs_allocation_section_field(metadata, bytes_used)
-    declare_btrfs_allocation_section_field(metadata, disk_total)
-    declare_btrfs_allocation_section_field(metadata, disk_used)
-    //declare_btrfs_allocation_field(global_rsv_reserved)
-    declare_btrfs_allocation_field(global_rsv_size)
-
-    RRDSET *st_allocation_system;
-    RRDDIM *rd_allocation_system_free;
-    RRDDIM *rd_allocation_system_used;
-    declare_btrfs_allocation_section_field(system, total_bytes)
-    declare_btrfs_allocation_section_field(system, bytes_used)
-    declare_btrfs_allocation_section_field(system, disk_total)
-    declare_btrfs_allocation_section_field(system, disk_used)
-
-    BTRFS_DISK *disks;
-
-    struct btrfs_node *next;
-} BTRFS_NODE;
-
-static BTRFS_NODE *nodes = NULL;
-
-static inline void btrfs_free_disk(BTRFS_DISK *d) {
-    freez(d->name);
-    freez(d->size_filename);
-    freez(d->hw_sector_size_filename);
-    freez(d);
-}
-
-static inline void btrfs_free_node(BTRFS_NODE *node) {
-    // info("BTRFS: destroying '%s'", node->id);
-
-    if(node->st_allocation_disks)
-        rrdset_is_obsolete(node->st_allocation_disks);
-
-    if(node->st_allocation_data)
-        rrdset_is_obsolete(node->st_allocation_data);
-
-    if(node->st_allocation_metadata)
-        rrdset_is_obsolete(node->st_allocation_metadata);
-
-    if(node->st_allocation_system)
-        rrdset_is_obsolete(node->st_allocation_system);
-
-    freez(node->allocation_data_bytes_used_filename);
-    freez(node->allocation_data_total_bytes_filename);
-
-    freez(node->allocation_metadata_bytes_used_filename);
-    freez(node->allocation_metadata_total_bytes_filename);
-
-    freez(node->allocation_system_bytes_used_filename);
-    freez(node->allocation_system_total_bytes_filename);
-
-    while(node->disks) {
-        BTRFS_DISK *d = node->disks;
-        node->disks = node->disks->next;
-        btrfs_free_disk(d);
-    }
-
-    freez(node->label);
-    freez(node->id);
-    freez(node);
-}
-
-static inline int find_btrfs_disks(BTRFS_NODE *node, const char *path) {
-    char filename[FILENAME_MAX + 1];
-
-    node->all_disks_total = 0;
-
-    BTRFS_DISK *d;
-    for(d = node->disks ; d ; d = d->next)
-        d->exists = 0;
-
-    DIR *dir = opendir(path);
-    if (!dir) {
-        if(!node->logged_error) {
-            error("BTRFS: Cannot open directory '%s'.", path);
-            node->logged_error = 1;
-        }
-        return 1;
-    }
-    node->logged_error = 0;
-
-    struct dirent *de = NULL;
-    while ((de = readdir(dir))) {
-        if (de->d_type != DT_LNK
-            || !strcmp(de->d_name, ".")
-            || !strcmp(de->d_name, "..")
-                ) {
-            // info("BTRFS: ignoring '%s'", de->d_name);
-            continue;
-        }
-
-        uint32_t hash = simple_hash(de->d_name);
-
-        // --------------------------------------------------------------------
-        // search for it
-
-        for(d = node->disks ; d ; d = d->next) {
-            if(hash == d->hash && !strcmp(de->d_name, d->name))
-                break;
-        }
-
-        // --------------------------------------------------------------------
-        // did we find it?
-
-        if(!d) {
-            d = callocz(sizeof(BTRFS_DISK), 1);
-
-            d->name = strdupz(de->d_name);
-            d->hash = simple_hash(d->name);
-
-            snprintfz(filename, FILENAME_MAX, "%s/%s/size", path, de->d_name);
-            d->size_filename = strdupz(filename);
-
-            // for disks
-            snprintfz(filename, FILENAME_MAX, "%s/%s/queue/hw_sector_size", path, de->d_name);
-            struct stat sb;
-            if(stat(filename, &sb) == -1)
-                // for partitions
-                snprintfz(filename, FILENAME_MAX, "%s/%s/../queue/hw_sector_size", path, de->d_name);
-
-            d->hw_sector_size_filename = strdupz(filename);
-
-            // link it
-            d->next = node->disks;
-            node->disks = d;
-        }
-
-        d->exists = 1;
-
-
-        // --------------------------------------------------------------------
-        // update the values
-
-        if(read_single_number_file(d->size_filename, &d->size) != 0) {
-            error("BTRFS: failed to read '%s'", d->size_filename);
-            d->exists = 0;
-            continue;
-        }
-
-        if(read_single_number_file(d->hw_sector_size_filename, &d->hw_sector_size) != 0) {
-            error("BTRFS: failed to read '%s'", d->hw_sector_size_filename);
-            d->exists = 0;
-            continue;
-        }
-
-        node->all_disks_total += d->size * d->hw_sector_size;
-    }
-    closedir(dir);
-
-    // ------------------------------------------------------------------------
-    // cleanup
-
-    BTRFS_DISK *last = NULL;
-    d = node->disks;
-
-    while(d) {
-        if(unlikely(!d->exists)) {
-            if(unlikely(node->disks == d)) {
-                node->disks = d->next;
-                btrfs_free_disk(d);
-                d = node->disks;
-                last = NULL;
-            }
-            else {
-                last->next = d->next;
-                btrfs_free_disk(d);
-                d = last->next;
-            }
-
-            continue;
-        }
-
-        last = d;
-        d = d->next;
-    }
-
-    return 0;
-}
-
-
-static inline int find_all_btrfs_pools(const char *path) {
-    static int logged_error = 0;
-    char filename[FILENAME_MAX + 1];
-
-    BTRFS_NODE *node;
-    for(node = nodes ; node ; node = node->next)
-        node->exists = 0;
-
-    DIR *dir = opendir(path);
-    if (!dir) {
-        if(!logged_error) {
-            error("BTRFS: Cannot open directory '%s'.", path);
-            logged_error = 1;
-        }
-        return 1;
-    }
-    logged_error = 0;
-
-    struct dirent *de = NULL;
-    while ((de = readdir(dir))) {
-        if(de->d_type != DT_DIR
-           || !strcmp(de->d_name, ".")
-           || !strcmp(de->d_name, "..")
-           || !strcmp(de->d_name, "features")
-                ) {
-            // info("BTRFS: ignoring '%s'", de->d_name);
-            continue;
-        }
-
-        uint32_t hash = simple_hash(de->d_name);
-
-        // search for it
-        for(node = nodes ; node ; node = node->next) {
-            if(hash == node->hash && !strcmp(de->d_name, node->id))
-                break;
-        }
-
-        // did we find it?
-        if(node) {
-            // info("BTRFS: already exists '%s'", de->d_name);
-            node->exists = 1;
-
-            // update the disk sizes
-            snprintfz(filename, FILENAME_MAX, "%s/%s/devices", path, de->d_name);
-            find_btrfs_disks(node, filename);
-
-            continue;
-        }
-
-        // info("BTRFS: adding '%s'", de->d_name);
-
-        // not found, create it
-        node = callocz(sizeof(BTRFS_NODE), 1);
-
-        node->id = strdupz(de->d_name);
-        node->hash = simple_hash(node->id);
-        node->exists = 1;
-
-        {
-            char label[FILENAME_MAX + 1] = "";
-
-            snprintfz(filename, FILENAME_MAX, "%s/%s/label", path, de->d_name);
-            read_file(filename, label, FILENAME_MAX);
-
-            char *s = label;
-            if (s[0])
-                s = trim(label);
-
-            if(s && s[0])
-                node->label = strdupz(s);
-            else
-                node->label = strdupz(node->id);
-        }
-
-        //snprintfz(filename, FILENAME_MAX, "%s/%s/sectorsize", path, de->d_name);
-        //if(read_single_number_file(filename, &node->sectorsize) != 0) {
-        //    error("BTRFS: failed to read '%s'", filename);
-        //    btrfs_free_node(node);
-        //    continue;
-        //}
-
-        //snprintfz(filename, FILENAME_MAX, "%s/%s/nodesize", path, de->d_name);
-        //if(read_single_number_file(filename, &node->nodesize) != 0) {
-        //    error("BTRFS: failed to read '%s'", filename);
-        //    btrfs_free_node(node);
-        //    continue;
-        //}
-
-        //snprintfz(filename, FILENAME_MAX, "%s/%s/quota_override", path, de->d_name);
-        //if(read_single_number_file(filename, &node->quota_override) != 0) {
-        //    error("BTRFS: failed to read '%s'", filename);
-        //    btrfs_free_node(node);
-        //    continue;
-        //}
-
-        // --------------------------------------------------------------------
-        // macros to simplify our life
-
-        #define init_btrfs_allocation_field(FIELD) {\
-            snprintfz(filename, FILENAME_MAX, "%s/%s/allocation/" #FIELD, path, de->d_name); \
-            if(read_single_number_file(filename, &node->allocation_ ## FIELD) != 0) {\
-                error("BTRFS: failed to read '%s'", filename);\
-                btrfs_free_node(node);\
-                continue;\
-            }\
-            if(!node->allocation_ ## FIELD ## _filename)\
-                node->allocation_ ## FIELD ## _filename = strdupz(filename);\
-        }
-
-        #define init_btrfs_allocation_section_field(SECTION, FIELD) {\
-            snprintfz(filename, FILENAME_MAX, "%s/%s/allocation/" #SECTION "/" #FIELD, path, de->d_name); \
-            if(read_single_number_file(filename, &node->allocation_ ## SECTION ## _ ## FIELD) != 0) {\
-                error("BTRFS: failed to read '%s'", filename);\
-                btrfs_free_node(node);\
-                continue;\
-            }\
-            if(!node->allocation_ ## SECTION ## _ ## FIELD ## _filename)\
-                node->allocation_ ## SECTION ## _ ## FIELD ## _filename = strdupz(filename);\
-        }
-
-        // --------------------------------------------------------------------
-        // allocation/data
-
-        init_btrfs_allocation_section_field(data, total_bytes);
-        init_btrfs_allocation_section_field(data, bytes_used);
-        init_btrfs_allocation_section_field(data, disk_total);
-        init_btrfs_allocation_section_field(data, disk_used);
-
-
-        // --------------------------------------------------------------------
-        // allocation/metadata
-
-        init_btrfs_allocation_section_field(metadata, total_bytes);
-        init_btrfs_allocation_section_field(metadata, bytes_used);
-        init_btrfs_allocation_section_field(metadata, disk_total);
-        init_btrfs_allocation_section_field(metadata, disk_used);
-
-        init_btrfs_allocation_field(global_rsv_size);
-        // init_btrfs_allocation_field(global_rsv_reserved);
-
-
-        // --------------------------------------------------------------------
-        // allocation/system
-
-        init_btrfs_allocation_section_field(system, total_bytes);
-        init_btrfs_allocation_section_field(system, bytes_used);
-        init_btrfs_allocation_section_field(system, disk_total);
-        init_btrfs_allocation_section_field(system, disk_used);
-
-
-        // --------------------------------------------------------------------
-        // find all disks related to this node
-        // and collect their sizes
-
-        snprintfz(filename, FILENAME_MAX, "%s/%s/devices", path, de->d_name);
-        find_btrfs_disks(node, filename);
-
-
-        // --------------------------------------------------------------------
-        // link it
-
-        // info("BTRFS: linking '%s'", node->id);
-        node->next = nodes;
-        nodes = node;
-    }
-    closedir(dir);
-
-
-    // ------------------------------------------------------------------------
-    // cleanup
-
-    BTRFS_NODE *last = NULL;
-    node = nodes;
-
-    while(node) {
-        if(unlikely(!node->exists)) {
-            if(unlikely(nodes == node)) {
-                nodes = node->next;
-                btrfs_free_node(node);
-                node = nodes;
-                last = NULL;
-            }
-            else {
-                last->next = node->next;
-                btrfs_free_node(node);
-                node = last->next;
-            }
-
-            continue;
-        }
-
-        last = node;
-        node = node->next;
-    }
-
-    return 0;
-}
-
-int do_sys_fs_btrfs(int update_every, usec_t dt) {
-    static int initialized = 0
-        , do_allocation_disks = CONFIG_BOOLEAN_AUTO
-        , do_allocation_system = CONFIG_BOOLEAN_AUTO
-        , do_allocation_data = CONFIG_BOOLEAN_AUTO
-        , do_allocation_metadata = CONFIG_BOOLEAN_AUTO;
-
-    static usec_t refresh_delta = 0, refresh_every = 60 * USEC_PER_SEC;
-    static char *btrfs_path = NULL;
-
-    (void)dt;
-
-    if(unlikely(!initialized)) {
-        initialized = 1;
-
-        char filename[FILENAME_MAX + 1];
-        snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/fs/btrfs");
-        btrfs_path = config_get("plugin:proc:/sys/fs/btrfs", "path to monitor", filename);
-
-        refresh_every = config_get_number("plugin:proc:/sys/fs/btrfs", "check for btrfs changes every", refresh_every / USEC_PER_SEC) * USEC_PER_SEC;
-        refresh_delta = refresh_every;
-
-        do_allocation_disks = config_get_boolean_ondemand("plugin:proc:/sys/fs/btrfs", "physical disks allocation", do_allocation_disks);
-        do_allocation_data = config_get_boolean_ondemand("plugin:proc:/sys/fs/btrfs", "data allocation", do_allocation_data);
-        do_allocation_metadata = config_get_boolean_ondemand("plugin:proc:/sys/fs/btrfs", "metadata allocation", do_allocation_metadata);
-        do_allocation_system = config_get_boolean_ondemand("plugin:proc:/sys/fs/btrfs", "system allocation", do_allocation_system);
-    }
-
-    refresh_delta += dt;
-    if(refresh_delta >= refresh_every) {
-        refresh_delta = 0;
-        find_all_btrfs_pools(btrfs_path);
-    }
-
-    BTRFS_NODE *node;
-    for(node = nodes; node ; node = node->next) {
-        // --------------------------------------------------------------------
-        // allocation/system
-
-        #define collect_btrfs_allocation_field(FIELD) \
-            read_single_number_file(node->allocation_ ## FIELD ## _filename, &node->allocation_ ## FIELD)
-
-        #define collect_btrfs_allocation_section_field(SECTION, FIELD) \
-            read_single_number_file(node->allocation_ ## SECTION ## _ ## FIELD ## _filename, &node->allocation_ ## SECTION ## _ ## FIELD)
-
-        if(do_allocation_disks != CONFIG_BOOLEAN_NO) {
-            if(     collect_btrfs_allocation_section_field(data, disk_total) != 0
-                 || collect_btrfs_allocation_section_field(data, disk_used) != 0
-                 || collect_btrfs_allocation_section_field(metadata, disk_total) != 0
-                 || collect_btrfs_allocation_section_field(metadata, disk_used) != 0
-                 || collect_btrfs_allocation_section_field(system, disk_total) != 0
-                 || collect_btrfs_allocation_section_field(system, disk_used) != 0) {
-                error("BTRFS: failed to collect physical disks allocation for '%s'", node->id);
-                // make it refresh btrfs at the next iteration
-                refresh_delta = refresh_every;
-                continue;
-            }
-        }
-
-        if(do_allocation_data != CONFIG_BOOLEAN_NO) {
-            if (collect_btrfs_allocation_section_field(data, total_bytes) != 0
-                || collect_btrfs_allocation_section_field(data, bytes_used) != 0) {
-                error("BTRFS: failed to collect allocation/data for '%s'", node->id);
-                // make it refresh btrfs at the next iteration
-                refresh_delta = refresh_every;
-                continue;
-            }
-        }
-
-        if(do_allocation_metadata != CONFIG_BOOLEAN_NO) {
-            if (collect_btrfs_allocation_section_field(metadata, total_bytes) != 0
-                || collect_btrfs_allocation_section_field(metadata, bytes_used) != 0
-                || collect_btrfs_allocation_field(global_rsv_size) != 0
-                    ) {
-                error("BTRFS: failed to collect allocation/metadata for '%s'", node->id);
-                // make it refresh btrfs at the next iteration
-                refresh_delta = refresh_every;
-                continue;
-            }
-        }
-
-        if(do_allocation_system != CONFIG_BOOLEAN_NO) {
-            if (collect_btrfs_allocation_section_field(system, total_bytes) != 0
-                || collect_btrfs_allocation_section_field(system, bytes_used) != 0) {
-                error("BTRFS: failed to collect allocation/system for '%s'", node->id);
-                // make it refresh btrfs at the next iteration
-                refresh_delta = refresh_every;
-                continue;
-            }
-        }
-
-        // --------------------------------------------------------------------
-        // allocation/disks
-
-        if(do_allocation_disks == CONFIG_BOOLEAN_YES || (do_allocation_disks == CONFIG_BOOLEAN_AUTO && node->all_disks_total && node->allocation_data_disk_total)) {
-            do_allocation_disks = CONFIG_BOOLEAN_YES;
-
-            if(unlikely(!node->st_allocation_disks)) {
-                char id[RRD_ID_LENGTH_MAX + 1], name[RRD_ID_LENGTH_MAX + 1], title[200 + 1];
-
-                snprintf(id, RRD_ID_LENGTH_MAX, "disk_%s", node->id);
-                snprintf(name, RRD_ID_LENGTH_MAX, "disk_%s", node->label);
-                snprintf(title, 200, "BTRFS Disk Allocation for %s", node->label);
-
-                netdata_fix_chart_id(id);
-                netdata_fix_chart_name(name);
-
-                node->st_allocation_disks = rrdset_create_localhost(
-                        "btrfs"
-                        , id
-                        , name
-                        , node->label
-                        , "btrfs.disk"
-                        , title
-                        , "MB"
-                        , "proc"
-                        , "sys/fs/btrfs"
-                        , 2300
-                        , update_every
-                        , RRDSET_TYPE_STACKED
-                );
-
-                node->rd_allocation_disks_unallocated = rrddim_add(node->st_allocation_disks, "unallocated", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-                node->rd_allocation_disks_data_used = rrddim_add(node->st_allocation_disks, "data_used", "data used", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-                node->rd_allocation_disks_data_free = rrddim_add(node->st_allocation_disks, "data_free", "data free", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-                node->rd_allocation_disks_metadata_used = rrddim_add(node->st_allocation_disks, "meta_used", "meta used", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-                node->rd_allocation_disks_metadata_free = rrddim_add(node->st_allocation_disks, "meta_free", "meta free", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-                node->rd_allocation_disks_system_used = rrddim_add(node->st_allocation_disks, "sys_used", "sys used", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-                node->rd_allocation_disks_system_free = rrddim_add(node->st_allocation_disks, "sys_free", "sys free", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-            }
-            else rrdset_next(node->st_allocation_disks);
-
-            // unsigned long long disk_used = node->allocation_data_disk_used + node->allocation_metadata_disk_used + node->allocation_system_disk_used;
-            unsigned long long disk_total = node->allocation_data_disk_total + node->allocation_metadata_disk_total + node->allocation_system_disk_total;
-            unsigned long long disk_unallocated = node->all_disks_total - disk_total;
-
-            rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_unallocated, disk_unallocated);
-            rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_data_used, node->allocation_data_disk_used);
-            rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_data_free, node->allocation_data_disk_total - node->allocation_data_disk_used);
-            rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_metadata_used, node->allocation_metadata_disk_used);
-            rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_metadata_free, node->allocation_metadata_disk_total - node->allocation_metadata_disk_used);
-            rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_system_used, node->allocation_system_disk_used);
-            rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_system_free, node->allocation_system_disk_total - node->allocation_system_disk_used);
-            rrdset_done(node->st_allocation_disks);
-        }
-
-
-        // --------------------------------------------------------------------
-        // allocation/data
-
-        if(do_allocation_data == CONFIG_BOOLEAN_YES || (do_allocation_data == CONFIG_BOOLEAN_AUTO && node->allocation_data_total_bytes)) {
-            do_allocation_data = CONFIG_BOOLEAN_YES;
-
-            if(unlikely(!node->st_allocation_data)) {
-                char id[RRD_ID_LENGTH_MAX + 1], name[RRD_ID_LENGTH_MAX + 1], title[200 + 1];
-
-                snprintf(id, RRD_ID_LENGTH_MAX, "data_%s", node->id);
-                snprintf(name, RRD_ID_LENGTH_MAX, "data_%s", node->label);
-                snprintf(title, 200, "BTRFS Data Allocation for %s", node->label);
-
-                netdata_fix_chart_id(id);
-                netdata_fix_chart_name(name);
-
-                node->st_allocation_data = rrdset_create_localhost(
-                        "btrfs"
-                        , id
-                        , name
-                        , node->label
-                        , "btrfs.data"
-                        , title
-                        , "MB"
-                        , "proc"
-                        , "sys/fs/btrfs"
-                        , 2301
-                        , update_every
-                        , RRDSET_TYPE_STACKED
-                );
-
-                node->rd_allocation_data_free = rrddim_add(node->st_allocation_data, "free", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-                node->rd_allocation_data_used = rrddim_add(node->st_allocation_data, "used", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-            }
-            else rrdset_next(node->st_allocation_data);
-
-            rrddim_set_by_pointer(node->st_allocation_data, node->rd_allocation_data_free, node->allocation_data_total_bytes - node->allocation_data_bytes_used);
-            rrddim_set_by_pointer(node->st_allocation_data, node->rd_allocation_data_used, node->allocation_data_bytes_used);
-            rrdset_done(node->st_allocation_data);
-        }
-
-        // --------------------------------------------------------------------
-        // allocation/metadata
-
-        if(do_allocation_metadata == CONFIG_BOOLEAN_YES || (do_allocation_metadata == CONFIG_BOOLEAN_AUTO && node->allocation_metadata_total_bytes)) {
-            do_allocation_metadata = CONFIG_BOOLEAN_YES;
-
-            if(unlikely(!node->st_allocation_metadata)) {
-                char id[RRD_ID_LENGTH_MAX + 1], name[RRD_ID_LENGTH_MAX + 1], title[200 + 1];
-
-                snprintf(id, RRD_ID_LENGTH_MAX, "metadata_%s", node->id);
-                snprintf(name, RRD_ID_LENGTH_MAX, "metadata_%s", node->label);
-                snprintf(title, 200, "BTRFS Metadata Allocation for %s", node->label);
-
-                netdata_fix_chart_id(id);
-                netdata_fix_chart_name(name);
-
-                node->st_allocation_metadata = rrdset_create_localhost(
-                        "btrfs"
-                        , id
-                        , name
-                        , node->label
-                        , "btrfs.metadata"
-                        , title
-                        , "MB"
-                        , "proc"
-                        , "sys/fs/btrfs"
-                        , 2302
-                        , update_every
-                        , RRDSET_TYPE_STACKED
-                );
-
-                node->rd_allocation_metadata_free = rrddim_add(node->st_allocation_metadata, "free", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-                node->rd_allocation_metadata_used = rrddim_add(node->st_allocation_metadata, "used", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-                node->rd_allocation_metadata_reserved = rrddim_add(node->st_allocation_metadata, "reserved", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-            }
-            else rrdset_next(node->st_allocation_metadata);
-
-            rrddim_set_by_pointer(node->st_allocation_metadata, node->rd_allocation_metadata_free, node->allocation_metadata_total_bytes - node->allocation_metadata_bytes_used - node->allocation_global_rsv_size);
-            rrddim_set_by_pointer(node->st_allocation_metadata, node->rd_allocation_metadata_used, node->allocation_metadata_bytes_used);
-            rrddim_set_by_pointer(node->st_allocation_metadata, node->rd_allocation_metadata_reserved, node->allocation_global_rsv_size);
-            rrdset_done(node->st_allocation_metadata);
-        }
-
-        // --------------------------------------------------------------------
-        // allocation/system
-
-        if(do_allocation_system == CONFIG_BOOLEAN_YES || (do_allocation_system == CONFIG_BOOLEAN_AUTO && node->allocation_system_total_bytes)) {
-            do_allocation_system = CONFIG_BOOLEAN_YES;
-
-            if(unlikely(!node->st_allocation_system)) {
-                char id[RRD_ID_LENGTH_MAX + 1], name[RRD_ID_LENGTH_MAX + 1], title[200 + 1];
-
-                snprintf(id, RRD_ID_LENGTH_MAX, "system_%s", node->id);
-                snprintf(name, RRD_ID_LENGTH_MAX, "system_%s", node->label);
-                snprintf(title, 200, "BTRFS System Allocation for %s", node->label);
-
-                netdata_fix_chart_id(id);
-                netdata_fix_chart_name(name);
-
-                node->st_allocation_system = rrdset_create_localhost(
-                        "btrfs"
-                        , id
-                        , name
-                        , node->label
-                        , "btrfs.system"
-                        , title
-                        , "MB"
-                        , "proc"
-                        , "sys/fs/btrfs"
-                        , 2303
-                        , update_every
-                        , RRDSET_TYPE_STACKED
-                );
-
-                node->rd_allocation_system_free = rrddim_add(node->st_allocation_system, "free", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-                node->rd_allocation_system_used = rrddim_add(node->st_allocation_system, "used", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
-            }
-            else rrdset_next(node->st_allocation_system);
-
-            rrddim_set_by_pointer(node->st_allocation_system, node->rd_allocation_system_free, node->allocation_system_total_bytes - node->allocation_system_bytes_used);
-            rrddim_set_by_pointer(node->st_allocation_system, node->rd_allocation_system_used, node->allocation_system_bytes_used);
-            rrdset_done(node->st_allocation_system);
-        }
-    }
-
-    return 0;
-}
-