btrfs-progs: compare unallocated space against the correct value

[platform/upstream/btrfs-progs.git] / cmds-fi-disk_usage.h

diff --git a/cmds-fi-disk_usage.h b/cmds-fi-disk_usage.h
index 95cf4aa..dbc2a10 100644 (file)
--- a/cmds-fi-disk_usage.h
+++ b/cmds-fi-disk_usage.h
@@ -19,10 +19,40 @@
 #ifndef __CMDS_FI_DISK_USAGE__
 #define __CMDS_FI_DISK_USAGE__
 
+#define DF_HUMAN_UNIT          (1<<0)
+
 extern const char * const cmd_filesystem_usage_usage[];
 int cmd_filesystem_usage(int argc, char **argv);
 
-extern const char * const cmd_device_disk_usage_usage[];
-int cmd_device_disk_usage(int argc, char **argv);
+struct device_info {
+       u64     devid;
+       char    path[BTRFS_DEVICE_PATH_NAME_MAX];
+       /* Size of the block device */
+       u64     device_size;
+       /* Size that's occupied by the filesystem, can be changed via resize */
+       u64     size;
+};
+
+/*
+ * To store the size information about the chunks:
+ * the chunks info are grouped by the tuple (type, devid, num_stripes),
+ * i.e. if two chunks are of the same type (RAID1, DUP...), are on the
+ * same disk, have the same stripes then their sizes are grouped
+ */
+struct chunk_info {
+       u64     type;
+       u64     size;
+       u64     devid;
+       u64     num_stripes;
+};
+
+int load_device_info(int fd, struct device_info **device_info_ptr,
+               int *device_info_count);
+int load_chunk_info(int fd, struct chunk_info **info_ptr, int *info_count);
+char *df_pretty_sizes(u64 size, int mode);
+void print_device_chunks(int fd, struct device_info *devinfo,
+               struct chunk_info *chunks_info_ptr,
+               int chunks_info_count, int mode);
+void print_device_sizes(int fd, struct device_info *devinfo, int mode);
 
 #endif