btrfsprogs/0025-btrfs-progs-compare-unallocated-space-against-the-co.patch

From f775e02b0210e5128f980a19a5490c58d80bfc27 Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.cz>
Date: Thu, 24 Apr 2014 18:57:12 +0200
Subject: [PATCH 14/42] btrfs-progs: compare unallocated space against the
 correct value

The device may not be fully occupied by the filesystem, the value of
Unallocated should not be calculated against the device size but the
size provided by DEV_INFO.

Signed-off-by: David Sterba <dsterba@suse.cz>
---
 cmds-device.c        | 6 ++----
 cmds-fi-disk_usage.c | 6 +++---
 cmds-fi-disk_usage.h | 2 +-
 3 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/cmds-device.c b/cmds-device.c
index f9a23ac644c0..1de7f007ed43 100644
--- a/cmds-device.c
+++ b/cmds-device.c
@@ -489,10 +489,8 @@ static int _cmd_device_usage(int fd, char *path, int mode)
 		printf("%s, ID: %llu\n", device_info_ptr[i].path,
 				device_info_ptr[i].devid);
 		print_device_sizes(fd, &device_info_ptr[i], mode);
-		print_device_chunks(fd, device_info_ptr[i].devid,
-				device_info_ptr[i].size,
-				info_ptr, info_count,
-				mode);
+		print_device_chunks(fd, &device_info_ptr[i],
+				info_ptr, info_count, mode);
 		printf("\n");
 	}
 
diff --git a/cmds-fi-disk_usage.c b/cmds-fi-disk_usage.c
index 83a3c6d52cc5..0ee6e6bb5dc4 100644
--- a/cmds-fi-disk_usage.c
+++ b/cmds-fi-disk_usage.c
@@ -847,7 +847,7 @@ int cmd_filesystem_usage(int argc, char **argv)
 	return 0;
 }
 
-void print_device_chunks(int fd, u64 devid, u64 total_size,
+void print_device_chunks(int fd, struct device_info *devinfo,
 		struct chunk_info *chunks_info_ptr,
 		int chunks_info_count, int mode)
 {
@@ -860,7 +860,7 @@ void print_device_chunks(int fd, u64 devid, u64 total_size,
 		u64 flags;
 		u64 size;
 
-		if (chunks_info_ptr[i].devid != devid)
+		if (chunks_info_ptr[i].devid != devinfo->devid)
 			continue;
 
 		flags = chunks_info_ptr[i].type;
@@ -879,7 +879,7 @@ void print_device_chunks(int fd, u64 devid, u64 total_size,
 	}
 	printf("   Unallocated: %*s%10s\n",
 		(int)(20 - strlen("Unallocated")), "",
-		df_pretty_sizes(total_size - allocated, mode));
+		df_pretty_sizes(devinfo->size - allocated, mode));
 }
 
 void print_device_sizes(int fd, struct device_info *devinfo, int mode)
diff --git a/cmds-fi-disk_usage.h b/cmds-fi-disk_usage.h
index 79cc2a115bc5..dbc2a10f31eb 100644
--- a/cmds-fi-disk_usage.h
+++ b/cmds-fi-disk_usage.h
@@ -50,7 +50,7 @@ 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, u64 devid, u64 total_size,
+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);
-- 
2.1.1