disks: abstract disks.

We need to be able to know which maniac is using ZFS or some other
weird filesystem that is going to munch as much RAM as possible
before we report it as used...

fs type is useful too...will need a mapping to the super block
magic listing.

src/bin/system/disks.c

@@ -80,18 +80,35 @@ disk_mount_point_get(const char *path)
    return NULL;
 }
 
-Eina_Bool
-disk_usage_get(const char *mountpoint, unsigned long *total, unsigned long *used)
+File_System *
+disk_mount_file_system_get(const char *path)
 {
+   File_System *fs;
+   const char *mountpoint;
    struct statfs stats;
 
+   mountpoint = disk_mount_point_get(path);
+   if (!mountpoint) return NULL;
+
    if (statfs(mountpoint, &stats) < 0)
-     return EINA_FALSE;
+     return NULL;
 
-   *total = stats.f_bsize * stats.f_blocks;
-   *used = *total - (stats.f_bsize * stats.f_bfree);
+   fs = calloc(1, sizeof(File_System));
+   fs->mount = strdup(mountpoint);
+   fs->path  = strdup(path);
+   fs->type  = stats.f_type;
+   fs->usage.total = stats.f_bsize * stats.f_blocks;
+   fs->usage.used  = fs->usage.total - (stats.f_bsize * stats.f_bfree);
 
-   return EINA_TRUE;
+   return fs;
+}
+
+void
+disk_mount_file_system_free(File_System *fs)
+{
+   free(fs->mount);
+   free(fs->path);
+   free(fs);
 }
 
 static int

src/bin/system/disks.h

@@ -4,8 +4,23 @@
 #include <Eina.h>
 #include <Ecore.h>
 
-Eina_Bool
-disk_usage_get(const char *mountpoint, unsigned long *total, unsigned long *used);
+typedef struct _Disk_Usage {
+   unsigned long total;
+   unsigned long used;
+} Disk_Usage;
+
+typedef struct _File_System {
+   char        *path;
+   char        *mount;
+   unsigned int type;
+   Disk_Usage   usage;
+} File_System;
+
+File_System *
+disk_mount_file_system_get(const char *path);
+
+void
+disk_mount_file_system_free(File_System *fs);
 
 char *
 disk_mount_point_get(const char *path);

src/bin/ui/ui_disk.c

@@ -91,7 +91,6 @@ ui_tab_disk_update(Ui *ui)
 {
    Eina_List *disks;
    char *path;
-   unsigned long total, used;
 
    if (!ui->disk_visible)
      return;
@@ -101,14 +100,11 @@ ui_tab_disk_update(Ui *ui)
    disks = disks_get();
    EINA_LIST_FREE(disks, path)
      {
-        char *mount = disk_mount_point_get(path);
-        if (mount)
+        File_System *fs = disk_mount_file_system_get(path);
+        if (fs)
           {
-             if (disk_usage_get(mount, &total, &used))
-               {
-                  _ui_disk_add(ui, path, mount, total, used);
-               }
-             free(mount);
+             _ui_disk_add(ui, fs->path, fs->mount, fs->usage.total, fs->usage.used);
+             disk_mount_file_system_free(fs);
           }
         free(path);
      }