machined: refer to the disk space allocated for an image to "usage" rather than "size"

After all, it's closer to the "du"-reported value than to the file
sizes...

5 files changed, 19 insertions, 19 deletions

diff --git a/src/machine/image-dbus.c b/src/machine/image-dbus.c
index 659f7de825..f5c7d4d880 100644
--- a/src/machine/image-dbus.c
+++ b/src/machine/image-dbus.c
@@ -135,9 +135,9 @@ const sd_bus_vtable image_vtable[] = {
         SD_BUS_PROPERTY("ReadOnly", "b", bus_property_get_bool, offsetof(Image, read_only), 0),
         SD_BUS_PROPERTY("CreationTimestamp", "t", NULL, offsetof(Image, crtime), 0),
         SD_BUS_PROPERTY("ModificationTimestamp", "t", NULL, offsetof(Image, mtime), 0),
-        SD_BUS_PROPERTY("Size", "t", NULL, offsetof(Image, size), 0),
+        SD_BUS_PROPERTY("Usage", "t", NULL, offsetof(Image, usage), 0),
         SD_BUS_PROPERTY("Limit", "t", NULL, offsetof(Image, limit), 0),
-        SD_BUS_PROPERTY("SizeExclusive", "t", NULL, offsetof(Image, size_exclusive), 0),
+        SD_BUS_PROPERTY("UsageExclusive", "t", NULL, offsetof(Image, usage_exclusive), 0),
         SD_BUS_PROPERTY("LimitExclusive", "t", NULL, offsetof(Image, limit_exclusive), 0),
         SD_BUS_METHOD("Remove", NULL, NULL, bus_image_method_remove, 0),
         SD_BUS_METHOD("Rename", "s", NULL, bus_image_method_rename, 0),
diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c
index 7ea991a81f..bae2abe188 100644
--- a/src/machine/machinectl.c
+++ b/src/machine/machinectl.c
@@ -214,7 +214,7 @@ 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_size = strlen("SIZE"), max_crtime = strlen("CREATED"), max_mtime = strlen("MODIFIED");
+        size_t max_name = strlen("NAME"), max_type = strlen("TYPE"), max_size = strlen("USAGE"), 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;
@@ -304,7 +304,7 @@ static int list_images(int argc, char *argv[], void *userdata) {
                        (int) max_name, "NAME",
                        (int) max_type, "TYPE",
                        "RO",
-                       (int) max_size, "SIZE",
+                       (int) max_size, "USAGE",
                        (int) max_crtime, "CREATED",
                        (int) max_mtime, "MODIFIED");
 
@@ -741,9 +741,9 @@ typedef struct ImageStatusInfo {
         int read_only;
         usec_t crtime;
         usec_t mtime;
-        uint64_t size;
+        uint64_t usage;
         uint64_t limit;
-        uint64_t size_exclusive;
+        uint64_t usage_exclusive;
         uint64_t limit_exclusive;
 } ImageStatusInfo;
 
@@ -786,12 +786,12 @@ static void print_image_status_info(sd_bus *bus, ImageStatusInfo *i) {
         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;
+        s3 = format_bytes(bs, sizeof(bs), i->usage);
+        s4 = i->usage_exclusive != i->usage ? format_bytes(bs_exclusive, sizeof(bs_exclusive), i->usage_exclusive) : NULL;
         if (s3 && s4)
-                printf("\t    Size: %s (exclusive: %s)\n", s3, s4);
+                printf("\t   Usage: %s (exclusive: %s)\n", s3, s4);
         else if (s3)
-                printf("\t    Size: %s\n", s3);
+                printf("\t   Usage: %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;
@@ -810,9 +810,9 @@ static int show_image_info(const char *verb, sd_bus *bus, const char *path, bool
                 { "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)            },
+                { "Usage",                 "t",  NULL, offsetof(ImageStatusInfo, usage)           },
                 { "Limit",                 "t",  NULL, offsetof(ImageStatusInfo, limit)           },
-                { "SizeExclusive",         "t",  NULL, offsetof(ImageStatusInfo, size_exclusive)  },
+                { "UsageExclusive",        "t",  NULL, offsetof(ImageStatusInfo, usage_exclusive) },
                 { "LimitExclusive",        "t",  NULL, offsetof(ImageStatusInfo, limit_exclusive) },
                 {}
         };
diff --git a/src/machine/machined-dbus.c b/src/machine/machined-dbus.c
index 233c6e8ddb..ac19695c92 100644
--- a/src/machine/machined-dbus.c
+++ b/src/machine/machined-dbus.c
@@ -504,7 +504,7 @@ static int method_list_images(sd_bus *bus, sd_bus_message *message, void *userda
                                           image->read_only,
                                           image->crtime,
                                           image->mtime,
-                                          image->size,
+                                          image->usage,
                                           p);
                 if (r < 0)
                         return r;
diff --git a/src/shared/machine-image.c b/src/shared/machine-image.c
index 5112d24a8f..8ea61052bd 100644
--- a/src/shared/machine-image.c
+++ b/src/shared/machine-image.c
@@ -73,7 +73,7 @@ static int image_new(
         i->read_only = read_only;
         i->crtime = crtime;
         i->mtime = mtime;
-        i->size = i->size_exclusive = (uint64_t) -1;
+        i->usage = i->usage_exclusive = (uint64_t) -1;
         i->limit = i->limit_exclusive = (uint64_t) -1;
 
         i->name = strdup(pretty);
@@ -164,8 +164,8 @@ static int image_make(
 
                                 r = btrfs_subvol_get_quota_fd(fd, &quota);
                                 if (r >= 0) {
-                                        (*ret)->size = quota.referred;
-                                        (*ret)->size_exclusive = quota.exclusive;
+                                        (*ret)->usage = quota.referred;
+                                        (*ret)->usage_exclusive = quota.exclusive;
 
                                         (*ret)->limit = quota.referred_max;
                                         (*ret)->limit_exclusive = quota.exclusive_max;
@@ -218,7 +218,7 @@ static int image_make(
                 if (r < 0)
                         return r;
 
-                (*ret)->size = (*ret)->size_exclusive = st.st_blocks * 512;
+                (*ret)->usage = (*ret)->usage_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 c15b034321..75fa5f4533 100644
--- a/src/shared/machine-image.h
+++ b/src/shared/machine-image.h
@@ -41,8 +41,8 @@ typedef struct Image {
         usec_t crtime;
         usec_t mtime;
 
-        uint64_t size;
-        uint64_t size_exclusive;
+        uint64_t usage;
+        uint64_t usage_exclusive;
         uint64_t limit;
         uint64_t limit_exclusive;
 } Image;