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-rw-r--r--src/machine/image-dbus.c121
-rw-r--r--src/machine/machinectl.c74
-rw-r--r--src/machine/machined-dbus.c7
-rw-r--r--src/shared/btrfs-ctree.h23
-rw-r--r--src/shared/btrfs-util.c180
-rw-r--r--src/shared/btrfs-util.h8
-rw-r--r--src/shared/machine-image.c15
-rw-r--r--src/shared/machine-image.h5
-rw-r--r--src/shared/missing.h20
-rw-r--r--src/test/test-btrfs.c13
10 files changed, 413 insertions, 53 deletions
diff --git a/src/machine/image-dbus.c b/src/machine/image-dbus.c
index 1030cd314f..cae7b227dd 100644
--- a/src/machine/image-dbus.c
+++ b/src/machine/image-dbus.c
@@ -213,6 +213,111 @@ static int property_get_mtime(
return 1;
}
+static int property_get_size(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(image_unrefp) Image *image = NULL;
+ int r;
+
+ assert(bus);
+ assert(reply);
+
+ r = image_find_by_bus_path_with_error(path, &image, error);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "t", image->size);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+
+static int property_get_limit(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(image_unrefp) Image *image = NULL;
+ int r;
+
+ assert(bus);
+ assert(reply);
+
+ r = image_find_by_bus_path_with_error(path, &image, error);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "t", image->limit);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+static int property_get_size_exclusive(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(image_unrefp) Image *image = NULL;
+ int r;
+
+ assert(bus);
+ assert(reply);
+
+ r = image_find_by_bus_path_with_error(path, &image, error);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "t", image->size_exclusive);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+static int property_get_limit_exclusive(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_(image_unrefp) Image *image = NULL;
+ int r;
+
+ assert(bus);
+ assert(reply);
+
+ r = image_find_by_bus_path_with_error(path, &image, error);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "t", image->limit_exclusive);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
static int method_remove(
sd_bus *bus,
sd_bus_message *message,
@@ -327,12 +432,16 @@ static int method_mark_read_only(
const sd_bus_vtable image_vtable[] = {
SD_BUS_VTABLE_START(0),
- SD_BUS_PROPERTY("Name", "s", property_get_name, 0, 0),
- SD_BUS_PROPERTY("Path", "s", property_get_path, 0, 0),
- SD_BUS_PROPERTY("Type", "s", property_get_type, 0, 0),
- SD_BUS_PROPERTY("ReadOnly", "b", property_get_read_only, 0, 0),
- SD_BUS_PROPERTY("CreationTimestamp", "t", property_get_crtime, 0, 0),
- SD_BUS_PROPERTY("ModificationTimestamp", "t", property_get_mtime, 0, 0),
+ SD_BUS_PROPERTY("Name", "s", property_get_name, 0, 0),
+ SD_BUS_PROPERTY("Path", "s", property_get_path, 0, 0),
+ SD_BUS_PROPERTY("Type", "s", property_get_type, 0, 0),
+ SD_BUS_PROPERTY("ReadOnly", "b", property_get_read_only, 0, 0),
+ SD_BUS_PROPERTY("CreationTimestamp", "t", property_get_crtime, 0, 0),
+ SD_BUS_PROPERTY("ModificationTimestamp", "t", property_get_mtime, 0, 0),
+ SD_BUS_PROPERTY("Size", "t", property_get_size, 0, 0),
+ SD_BUS_PROPERTY("Limit", "t", property_get_limit, 0, 0),
+ SD_BUS_PROPERTY("SizeExclusive", "t", property_get_size_exclusive, 0, 0),
+ SD_BUS_PROPERTY("LimitExclusive", "t", property_get_limit_exclusive, 0, 0),
SD_BUS_METHOD("Remove", NULL, NULL, method_remove, 0),
SD_BUS_METHOD("Rename", "s", NULL, method_rename, 0),
SD_BUS_METHOD("Clone", "sb", NULL, method_clone, 0),
diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c
index 893b429342..17fbe51f9f 100644
--- a/src/machine/machinectl.c
+++ b/src/machine/machinectl.c
@@ -131,6 +131,7 @@ typedef struct ImageInfo {
bool read_only;
usec_t crtime;
usec_t mtime;
+ uint64_t size;
} ImageInfo;
static int compare_image_info(const void *a, const void *b) {
@@ -142,13 +143,13 @@ static int compare_image_info(const void *a, const void *b) {
static int list_images(int argc, char *argv[], void *userdata) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- size_t max_name = strlen("NAME"), max_type = strlen("TYPE"), max_crtime = strlen("CREATED"), max_mtime = strlen("MODIFIED");
+ size_t max_name = strlen("NAME"), max_type = strlen("TYPE"), max_size = strlen("SIZE"), max_crtime = strlen("CREATED"), max_mtime = strlen("MODIFIED");
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_free_ ImageInfo *images = NULL;
size_t n_images = 0, n_allocated = 0, j;
const char *name, *type, *object;
sd_bus *bus = userdata;
- uint64_t crtime, mtime;
+ uint64_t crtime, mtime, size;
int read_only, r;
assert(bus);
@@ -169,12 +170,12 @@ static int list_images(int argc, char *argv[], void *userdata) {
return r;
}
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssbtto)");
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssbttto)");
if (r < 0)
return bus_log_parse_error(r);
- while ((r = sd_bus_message_read(reply, "(ssbtto)", &name, &type, &read_only, &crtime, &mtime, &object)) > 0) {
- char buf[FORMAT_TIMESTAMP_MAX];
+ while ((r = sd_bus_message_read(reply, "(ssbttto)", &name, &type, &read_only, &crtime, &mtime, &size, &object)) > 0) {
+ char buf[MAX(FORMAT_TIMESTAMP_MAX, FORMAT_BYTES_MAX)];
size_t l;
if (name[0] == '.' && !arg_all)
@@ -188,6 +189,7 @@ static int list_images(int argc, char *argv[], void *userdata) {
images[n_images].read_only = read_only;
images[n_images].crtime = crtime;
images[n_images].mtime = mtime;
+ images[n_images].size = size;
l = strlen(name);
if (l > max_name)
@@ -198,17 +200,23 @@ static int list_images(int argc, char *argv[], void *userdata) {
max_type = l;
if (crtime != 0) {
- l = strlen(format_timestamp(buf, sizeof(buf), crtime));
+ l = strlen(strna(format_timestamp(buf, sizeof(buf), crtime)));
if (l > max_crtime)
max_crtime = l;
}
if (mtime != 0) {
- l = strlen(format_timestamp(buf, sizeof(buf), mtime));
+ l = strlen(strna(format_timestamp(buf, sizeof(buf), mtime)));
if (l > max_mtime)
max_mtime = l;
}
+ if (size != (uint64_t) -1) {
+ l = strlen(strna(format_bytes(buf, sizeof(buf), size)));
+ if (l > max_size)
+ max_size = l;
+ }
+
n_images++;
}
if (r < 0)
@@ -221,22 +229,24 @@ static int list_images(int argc, char *argv[], void *userdata) {
qsort_safe(images, n_images, sizeof(ImageInfo), compare_image_info);
if (arg_legend)
- printf("%-*s %-*s %-3s %-*s %-*s\n",
+ printf("%-*s %-*s %-3s %-*s %-*s %-*s\n",
(int) max_name, "NAME",
(int) max_type, "TYPE",
"RO",
+ (int) max_size, "SIZE",
(int) max_crtime, "CREATED",
(int) max_mtime, "MODIFIED");
for (j = 0; j < n_images; j++) {
- char crtime_buf[FORMAT_TIMESTAMP_MAX], mtime_buf[FORMAT_TIMESTAMP_MAX];
+ char crtime_buf[FORMAT_TIMESTAMP_MAX], mtime_buf[FORMAT_TIMESTAMP_MAX], size_buf[FORMAT_BYTES_MAX];
- printf("%-*s %-*s %s%-3s%s %-*s %-*s\n",
+ printf("%-*s %-*s %s%-3s%s %-*s %-*s %-*s\n",
(int) max_name, images[j].name,
(int) max_type, images[j].type,
images[j].read_only ? ansi_highlight_red() : "", yes_no(images[j].read_only), images[j].read_only ? ansi_highlight_off() : "",
- (int) max_crtime, images[j].crtime != 0 ? format_timestamp(crtime_buf, sizeof(crtime_buf), images[j].crtime) : "-",
- (int) max_mtime, images[j].mtime != 0 ? format_timestamp(mtime_buf, sizeof(mtime_buf), images[j].mtime) : "-");
+ (int) max_size, strna(format_bytes(size_buf, sizeof(size_buf), images[j].size)),
+ (int) max_crtime, strna(format_timestamp(crtime_buf, sizeof(crtime_buf), images[j].crtime)),
+ (int) max_mtime, strna(format_timestamp(mtime_buf, sizeof(mtime_buf), images[j].mtime)));
}
if (r < 0)
@@ -651,11 +661,17 @@ typedef struct ImageStatusInfo {
int read_only;
usec_t crtime;
usec_t mtime;
+ uint64_t size;
+ uint64_t limit;
+ uint64_t size_exclusive;
+ uint64_t limit_exclusive;
} ImageStatusInfo;
static void print_image_status_info(sd_bus *bus, ImageStatusInfo *i) {
char ts_relative[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
char ts_absolute[FORMAT_TIMESTAMP_MAX], *s2;
+ char bs[FORMAT_BYTES_MAX], *s3;
+ char bs_exclusive[FORMAT_BYTES_MAX], *s4;
assert(bus);
assert(i);
@@ -678,28 +694,46 @@ static void print_image_status_info(sd_bus *bus, ImageStatusInfo *i) {
s1 = format_timestamp_relative(ts_relative, sizeof(ts_relative), i->crtime);
s2 = format_timestamp(ts_absolute, sizeof(ts_absolute), i->crtime);
- if (s1)
+ if (s1 && s2)
printf("\t Created: %s; %s\n", s2, s1);
else if (s2)
printf("\t Created: %s\n", s2);
s1 = format_timestamp_relative(ts_relative, sizeof(ts_relative), i->mtime);
s2 = format_timestamp(ts_absolute, sizeof(ts_absolute), i->mtime);
- if (s1)
+ if (s1 && s2)
printf("\tModified: %s; %s\n", s2, s1);
else if (s2)
printf("\tModified: %s\n", s2);
+
+ s3 = format_bytes(bs, sizeof(bs), i->size);
+ s4 = i->size_exclusive != i->size ? format_bytes(bs_exclusive, sizeof(bs_exclusive), i->size_exclusive) : NULL;
+ if (s3 && s4)
+ printf("\t Size: %s (exclusive: %s)\n", s3, s4);
+ else if (s3)
+ printf("\t Size: %s\n", s3);
+
+ s3 = format_bytes(bs, sizeof(bs), i->limit);
+ s4 = i->limit_exclusive != i->limit ? format_bytes(bs_exclusive, sizeof(bs_exclusive), i->limit_exclusive) : NULL;
+ if (s3 && s4)
+ printf("\t Limit: %s (exclusive: %s)\n", s3, s4);
+ else if (s3)
+ printf("\t Limit: %s\n", s3);
}
static int show_image_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) {
static const struct bus_properties_map map[] = {
- { "Name", "s", NULL, offsetof(ImageStatusInfo, name) },
- { "Path", "s", NULL, offsetof(ImageStatusInfo, path) },
- { "Type", "s", NULL, offsetof(ImageStatusInfo, type) },
- { "ReadOnly", "b", NULL, offsetof(ImageStatusInfo, read_only) },
- { "CreationTimestamp", "t", NULL, offsetof(ImageStatusInfo, crtime) },
- { "ModificationTimestamp", "t", NULL, offsetof(ImageStatusInfo, mtime) },
+ { "Name", "s", NULL, offsetof(ImageStatusInfo, name) },
+ { "Path", "s", NULL, offsetof(ImageStatusInfo, path) },
+ { "Type", "s", NULL, offsetof(ImageStatusInfo, type) },
+ { "ReadOnly", "b", NULL, offsetof(ImageStatusInfo, read_only) },
+ { "CreationTimestamp", "t", NULL, offsetof(ImageStatusInfo, crtime) },
+ { "ModificationTimestamp", "t", NULL, offsetof(ImageStatusInfo, mtime) },
+ { "Size", "t", NULL, offsetof(ImageStatusInfo, size) },
+ { "Limit", "t", NULL, offsetof(ImageStatusInfo, limit) },
+ { "SizeExclusive", "t", NULL, offsetof(ImageStatusInfo, size_exclusive) },
+ { "LimitExclusive", "t", NULL, offsetof(ImageStatusInfo, limit_exclusive) },
{}
};
diff --git a/src/machine/machined-dbus.c b/src/machine/machined-dbus.c
index 18b772d42d..8bb0146f50 100644
--- a/src/machine/machined-dbus.c
+++ b/src/machine/machined-dbus.c
@@ -489,7 +489,7 @@ static int method_list_images(sd_bus *bus, sd_bus_message *message, void *userda
if (r < 0)
return r;
- r = sd_bus_message_open_container(reply, 'a', "(ssbtto)");
+ r = sd_bus_message_open_container(reply, 'a', "(ssbttto)");
if (r < 0)
return r;
@@ -500,12 +500,13 @@ static int method_list_images(sd_bus *bus, sd_bus_message *message, void *userda
if (!p)
return -ENOMEM;
- r = sd_bus_message_append(reply, "(ssbtto)",
+ r = sd_bus_message_append(reply, "(ssbttto)",
image->name,
image_type_to_string(image->type),
image->read_only,
image->crtime,
image->mtime,
+ image->size,
p);
if (r < 0)
return r;
@@ -678,7 +679,7 @@ const sd_bus_vtable manager_vtable[] = {
SD_BUS_METHOD("GetImage", "s", "o", method_get_image, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED),
- SD_BUS_METHOD("ListImages", NULL, "a(ssbtto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ListImages", NULL, "a(ssbttto)", method_list_images, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0),
SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0),
SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0),
diff --git a/src/shared/btrfs-ctree.h b/src/shared/btrfs-ctree.h
index 45b94cdbf6..7bdf3fe139 100644
--- a/src/shared/btrfs-ctree.h
+++ b/src/shared/btrfs-ctree.h
@@ -66,3 +66,26 @@ struct btrfs_root_item {
} _packed_;
#define BTRFS_ROOT_SUBVOL_RDONLY (1ULL << 0)
+
+struct btrfs_qgroup_info_item {
+ le64_t generation;
+ le64_t rfer;
+ le64_t rfer_cmpr;
+ le64_t excl;
+ le64_t excl_cmpr;
+} _packed_;
+
+#define BTRFS_QGROUP_LIMIT_MAX_RFER (1ULL << 0)
+#define BTRFS_QGROUP_LIMIT_MAX_EXCL (1ULL << 1)
+#define BTRFS_QGROUP_LIMIT_RSV_RFER (1ULL << 2)
+#define BTRFS_QGROUP_LIMIT_RSV_EXCL (1ULL << 3)
+#define BTRFS_QGROUP_LIMIT_RFER_CMPR (1ULL << 4)
+#define BTRFS_QGROUP_LIMIT_EXCL_CMPR (1ULL << 5)
+
+struct btrfs_qgroup_limit_item {
+ le64_t flags;
+ le64_t max_rfer;
+ le64_t max_excl;
+ le64_t rsv_rfer;
+ le64_t rsv_excl;
+} _packed_;
diff --git a/src/shared/btrfs-util.c b/src/shared/btrfs-util.c
index 9b47330a6f..164ac9f337 100644
--- a/src/shared/btrfs-util.c
+++ b/src/shared/btrfs-util.c
@@ -341,7 +341,7 @@ int btrfs_subvol_get_id_fd(int fd, uint64_t *ret) {
int btrfs_subvol_get_info_fd(int fd, BtrfsSubvolInfo *ret) {
struct btrfs_ioctl_search_args args = {
/* Tree of tree roots */
- .key.tree_id = 1,
+ .key.tree_id = BTRFS_ROOT_TREE_OBJECTID,
/* Look precisely for the subvolume items */
.key.min_type = BTRFS_ROOT_ITEM_KEY,
@@ -352,14 +352,10 @@ int btrfs_subvol_get_info_fd(int fd, BtrfsSubvolInfo *ret) {
.key.max_offset = (uint64_t) -1,
.key.min_transid = 0,
.key.max_transid = (uint64_t) -1,
-
- /* Some large value */
- .key.nr_items = 2,
};
- struct btrfs_ioctl_search_header *sh;
- struct btrfs_root_item *ri;
uint64_t subvol_id;
+ bool found = false;
int r;
assert(fd >= 0);
@@ -370,30 +366,168 @@ int btrfs_subvol_get_info_fd(int fd, BtrfsSubvolInfo *ret) {
return r;
args.key.min_objectid = args.key.max_objectid = subvol_id;
- if (ioctl(fd, BTRFS_IOC_TREE_SEARCH, &args) < 0)
- return -errno;
- if (args.key.nr_items != 1)
- return -EIO;
+ for (;;) {
+ const struct btrfs_ioctl_search_header *sh;
+ unsigned i;
+
+ args.key.nr_items = 256;
+ if (ioctl(fd, BTRFS_IOC_TREE_SEARCH, &args) < 0)
+ return -errno;
+
+ if (args.key.nr_items <= 0)
+ break;
- sh = (struct btrfs_ioctl_search_header*) args.buf;
- assert(sh->type == BTRFS_ROOT_ITEM_KEY);
- assert(sh->objectid == subvol_id);
+ for (i = 0,
+ sh = (const struct btrfs_ioctl_search_header*) args.buf;
+ i < args.key.nr_items;
+ i++,
+ args.key.min_type = sh->type,
+ args.key.min_offset = sh->offset,
+ args.key.min_objectid = sh->objectid,
+ sh = (const struct btrfs_ioctl_search_header*) ((uint8_t*) sh + sizeof(struct btrfs_ioctl_search_header) + sh->len)) {
- if (sh->len < offsetof(struct btrfs_root_item, otime) + sizeof(struct btrfs_timespec))
- return -ENOTSUP;
+ const struct btrfs_root_item *ri;
+
+ if (sh->objectid != subvol_id)
+ continue;
+ if (sh->type != BTRFS_ROOT_ITEM_KEY)
+ continue;
+ if (sh->len < offsetof(struct btrfs_root_item, otime) + sizeof(struct btrfs_timespec))
+ continue;
- ri = (struct btrfs_root_item *)(args.buf + sizeof(struct btrfs_ioctl_search_header));
+ ri = (const struct btrfs_root_item *)(args.buf + sizeof(struct btrfs_ioctl_search_header));
- ret->otime = (usec_t) le64toh(ri->otime.sec) * USEC_PER_SEC +
- (usec_t) le32toh(ri->otime.nsec) / NSEC_PER_USEC;
+ ret->otime = (usec_t) le64toh(ri->otime.sec) * USEC_PER_SEC +
+ (usec_t) le32toh(ri->otime.nsec) / NSEC_PER_USEC;
- ret->subvol_id = subvol_id;
- ret->read_only = !!(le64toh(ri->flags) & BTRFS_ROOT_SUBVOL_RDONLY);
+ ret->subvol_id = subvol_id;
+ ret->read_only = !!(le64toh(ri->flags) & BTRFS_ROOT_SUBVOL_RDONLY);
- assert_cc(sizeof(ri->uuid) == sizeof(ret->uuid));
- memcpy(&ret->uuid, ri->uuid, sizeof(ret->uuid));
- memcpy(&ret->parent_uuid, ri->parent_uuid, sizeof(ret->parent_uuid));
+ assert_cc(sizeof(ri->uuid) == sizeof(ret->uuid));
+ memcpy(&ret->uuid, ri->uuid, sizeof(ret->uuid));
+ memcpy(&ret->parent_uuid, ri->parent_uuid, sizeof(ret->parent_uuid));
+
+ found = true;
+ goto finish;
+ }
+
+ args.key.min_offset++;
+ if (!args.key.min_offset) /* overflow */
+ break;
+ }
+
+finish:
+ if (!found)
+ return -ENODATA;
+
+ return 0;
+}
+
+int btrfs_subvol_get_quota_fd(int fd, BtrfsQuotaInfo *ret) {
+
+ struct btrfs_ioctl_search_args args = {
+ /* Tree of quota items */
+ .key.tree_id = BTRFS_QUOTA_TREE_OBJECTID,
+
+ /* Look precisely for the quota items */
+ .key.min_type = BTRFS_QGROUP_STATUS_KEY,
+ .key.max_type = BTRFS_QGROUP_LIMIT_KEY,
+
+ .key.min_objectid = 0,
+ .key.max_objectid = 0,
+
+ /* No restrictions on the other components */
+ .key.min_transid = 0,
+ .key.max_transid = (uint64_t) -1,
+ };
+
+ uint64_t subvol_id;
+ bool found_info = false, found_limit = false;
+ int r;
+
+ assert(fd >= 0);
+ assert(ret);
+
+ r = btrfs_subvol_get_id_fd(fd, &subvol_id);
+ if (r < 0)
+ return r;
+
+ args.key.min_offset = args.key.max_offset = subvol_id;
+
+ for (;;) {
+ const struct btrfs_ioctl_search_header *sh;
+ unsigned i;
+
+ args.key.nr_items = 256;
+ if (ioctl(fd, BTRFS_IOC_TREE_SEARCH, &args) < 0)
+ return -errno;
+
+ if (args.key.nr_items <= 0)
+ break;
+
+ for (i = 0,
+ sh = (const struct btrfs_ioctl_search_header*) args.buf;
+ i < args.key.nr_items;
+ i++,
+ args.key.min_type = sh->type,
+ args.key.min_offset = sh->offset,
+ args.key.min_objectid = sh->objectid,
+ sh = (const struct btrfs_ioctl_search_header*) ((uint8_t*) sh + sizeof(struct btrfs_ioctl_search_header) + sh->len)) {
+
+ const void *body;
+
+ if (sh->objectid != 0)
+ continue;
+ if (sh->offset != subvol_id)
+ continue;
+
+ body = (uint8_t*) sh + sizeof(struct btrfs_ioctl_search_header);
+
+ if (sh->type == BTRFS_QGROUP_INFO_KEY) {
+ const struct btrfs_qgroup_info_item *qii = body;
+
+ ret->referred = le64toh(qii->rfer);
+ ret->exclusive = le64toh(qii->excl);
+
+ found_info = true;
+
+ } else if (sh->type == BTRFS_QGROUP_LIMIT_KEY) {
+ const struct btrfs_qgroup_limit_item *qli = body;
+
+ ret->referred_max = le64toh(qli->max_rfer);
+ ret->exclusive_max = le64toh(qli->max_excl);
+
+ if (ret->referred_max == 0)
+ ret->referred_max = (uint64_t) -1;
+ if (ret->exclusive_max == 0)
+ ret->exclusive_max = (uint64_t) -1;
+
+ found_limit = true;
+ }
+
+ if (found_info && found_limit)
+ goto finish;
+ }
+
+ args.key.min_offset++;
+ if (!args.key.min_offset)
+ break;
+ }
+
+finish:
+ if (!found_limit && !found_info)
+ return -ENODATA;
+
+ if (!found_info) {
+ ret->referred = (uint64_t) -1;
+ ret->exclusive = (uint64_t) -1;
+ }
+
+ if (!found_limit) {
+ ret->referred_max = (uint64_t) -1;
+ ret->exclusive_max = (uint64_t) -1;
+ }
return 0;
}
diff --git a/src/shared/btrfs-util.h b/src/shared/btrfs-util.h
index dff8c015a6..1532c120df 100644
--- a/src/shared/btrfs-util.h
+++ b/src/shared/btrfs-util.h
@@ -34,6 +34,13 @@ typedef struct BtrfsSubvolInfo {
bool read_only;
} BtrfsSubvolInfo;
+typedef struct BtrfsQuotaInfo {
+ uint64_t referred;
+ uint64_t exclusive;
+ uint64_t referred_max;
+ uint64_t exclusive_max;
+} BtrfsQuotaInfo;
+
int btrfs_is_snapshot(int fd);
int btrfs_subvol_make(const char *path);
@@ -45,6 +52,7 @@ int btrfs_subvol_set_read_only(const char *path, bool b);
int btrfs_subvol_get_read_only_fd(int fd);
int btrfs_subvol_get_id_fd(int fd, uint64_t *ret);
int btrfs_subvol_get_info_fd(int fd, BtrfsSubvolInfo *info);
+int btrfs_subvol_get_quota_fd(int fd, BtrfsQuotaInfo *quota);
int btrfs_reflink(int infd, int outfd);
diff --git a/src/shared/machine-image.c b/src/shared/machine-image.c
index 7c041fab76..36b64e1fab 100644
--- a/src/shared/machine-image.c
+++ b/src/shared/machine-image.c
@@ -71,6 +71,8 @@ static int image_new(
i->read_only = read_only;
i->crtime = crtime;
i->mtime = mtime;
+ i->size = i->size_exclusive = (uint64_t) -1;
+ i->limit = i->limit_exclusive = (uint64_t) -1;
i->name = strdup(pretty);
if (!i->name)
@@ -138,6 +140,7 @@ static int image_make(
if (F_TYPE_EQUAL(sfs.f_type, BTRFS_SUPER_MAGIC)) {
BtrfsSubvolInfo info;
+ BtrfsQuotaInfo quota;
/* It's a btrfs subvolume */
@@ -156,6 +159,15 @@ static int image_make(
if (r < 0)
return r;
+ r = btrfs_subvol_get_quota_fd(fd, &quota);
+ if (r >= 0) {
+ (*ret)->size = quota.referred;
+ (*ret)->size_exclusive = quota.exclusive;
+
+ (*ret)->limit = quota.referred_max;
+ (*ret)->limit_exclusive = quota.exclusive_max;
+ }
+
return 1;
}
}
@@ -199,6 +211,9 @@ static int image_make(
if (r < 0)
return r;
+ (*ret)->size = (*ret)->size_exclusive = st.st_blocks * 512;
+ (*ret)->limit = (*ret)->limit_exclusive = st.st_size;
+
return 1;
}
diff --git a/src/shared/machine-image.h b/src/shared/machine-image.h
index 9e0f6aedba..10e5d0a533 100644
--- a/src/shared/machine-image.h
+++ b/src/shared/machine-image.h
@@ -40,6 +40,11 @@ typedef struct Image {
usec_t crtime;
usec_t mtime;
+
+ uint64_t size;
+ uint64_t size_exclusive;
+ uint64_t limit;
+ uint64_t limit_exclusive;
} Image;
Image *image_unref(Image *i);
diff --git a/src/shared/missing.h b/src/shared/missing.h
index 08cf83647d..94d9d8d35d 100644
--- a/src/shared/missing.h
+++ b/src/shared/missing.h
@@ -254,10 +254,30 @@ struct btrfs_ioctl_fs_info_args {
#define BTRFS_FIRST_FREE_OBJECTID 256
#endif
+#ifndef BTRFS_ROOT_TREE_OBJECTID
+#define BTRFS_ROOT_TREE_OBJECTID 1
+#endif
+
+#ifndef BTRFS_QUOTA_TREE_OBJECTID
+#define BTRFS_QUOTA_TREE_OBJECTID 8ULL
+#endif
+
#ifndef BTRFS_ROOT_ITEM_KEY
#define BTRFS_ROOT_ITEM_KEY 132
#endif
+#ifndef BTRFS_QGROUP_STATUS_KEY
+#define BTRFS_QGROUP_STATUS_KEY 240
+#endif
+
+#ifndef BTRFS_QGROUP_INFO_KEY
+#define BTRFS_QGROUP_INFO_KEY 242
+#endif
+
+#ifndef BTRFS_QGROUP_LIMIT_KEY
+#define BTRFS_QGROUP_LIMIT_KEY 244
+#endif
+
#ifndef BTRFS_SUPER_MAGIC
#define BTRFS_SUPER_MAGIC 0x9123683E
#endif
diff --git a/src/test/test-btrfs.c b/src/test/test-btrfs.c
index 43b445d831..150a32ad6f 100644
--- a/src/test/test-btrfs.c
+++ b/src/test/test-btrfs.c
@@ -36,7 +36,8 @@ int main(int argc, char *argv[]) {
log_error_errno(errno, "Failed to open root directory: %m");
else {
BtrfsSubvolInfo info;
- char ts[FORMAT_TIMESTAMP_MAX];
+ BtrfsQuotaInfo quota;
+ char ts[FORMAT_TIMESTAMP_MAX], bs[FORMAT_BYTES_MAX];
r = btrfs_subvol_get_info_fd(fd, &info);
if (r < 0)
@@ -46,6 +47,16 @@ int main(int argc, char *argv[]) {
log_info("read-only (search): %s", yes_no(info.read_only));
}
+ r = btrfs_subvol_get_quota_fd(fd, &quota);
+ if (r < 0)
+ log_error_errno(r, "Failed to get quota info: %m");
+ else {
+ log_info("referred: %s", strna(format_bytes(bs, sizeof(bs), quota.referred)));
+ log_info("exclusive: %s", strna(format_bytes(bs, sizeof(bs), quota.exclusive)));
+ log_info("referred_max: %s", strna(format_bytes(bs, sizeof(bs), quota.referred_max)));
+ log_info("exclusive_max: %s", strna(format_bytes(bs, sizeof(bs), quota.exclusive_max)));
+ }
+
r = btrfs_subvol_get_read_only_fd(fd);
if (r < 0)
log_error_errno(r, "Failed to get read only flag: %m");
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-17 17:49:19 +0000