Josef Bacik
2007-Aug-10 11:47 UTC
[Btrfs-devel] [PATCH 2/2] add root item block accounting to btrfs-progs
Hello,
This is the btrfs-progs version for this patch, so when we mkfs the device
everything is accounted for properly. Thank you,
Josef
diff -r da120892c4b5 ctree.h
--- a/ctree.h Tue Aug 07 16:35:34 2007 -0400
+++ b/ctree.h Fri Aug 10 14:38:40 2007 -0400
@@ -782,6 +782,17 @@ static inline void btrfs_set_root_flags(
static inline void btrfs_set_root_flags(struct btrfs_root_item *item, u32 val)
{
item->flags = cpu_to_le32(val);
+}
+
+static inline void btrfs_set_root_blocks_used(struct btrfs_root_item *item,
+ u64 val)
+{
+ item->blocks_used = cpu_to_le64(val);
+}
+
+static inline u64 btrfs_root_blocks_used(struct btrfs_root_item *item)
+{
+ return le64_to_cpu(item->blocks_used);
}
static inline u64 btrfs_super_blocknr(struct btrfs_super_block *s)
diff -r da120892c4b5 extent-tree.c
--- a/extent-tree.c Tue Aug 07 16:35:34 2007 -0400
+++ b/extent-tree.c Fri Aug 10 14:37:25 2007 -0400
@@ -252,7 +252,7 @@ static int finish_current_insert(struct
struct btrfs_extent_item extent_item;
int i;
int ret;
- u64 super_blocks_used;
+ u64 super_blocks_used, root_blocks_used;
struct btrfs_fs_info *info = extent_root->fs_info;
btrfs_set_extent_refs(&extent_item, 1);
@@ -267,6 +267,9 @@ static int finish_current_insert(struct
super_blocks_used = btrfs_super_blocks_used(info->disk_super);
btrfs_set_super_blocks_used(info->disk_super,
super_blocks_used + 1);
+ root_blocks_used = btrfs_root_blocks_used(&extent_root->root_item);
+ btrfs_set_root_blocks_used(&extent_root->root_item,
+ root_blocks_used + 1);
ret = btrfs_insert_item(trans, extent_root, &ins, &extent_item,
sizeof(extent_item));
if (ret) {
@@ -314,7 +317,7 @@ static int __free_extent(struct btrfs_tr
refs = btrfs_extent_refs(ei) - 1;
btrfs_set_extent_refs(ei, refs);
if (refs == 0) {
- u64 super_blocks_used;
+ u64 super_blocks_used, root_blocks_used;
if (pin) {
int err;
unsigned long bl = blocknr;
@@ -327,6 +330,10 @@ static int __free_extent(struct btrfs_tr
super_blocks_used = btrfs_super_blocks_used(info->disk_super);
btrfs_set_super_blocks_used(info->disk_super,
super_blocks_used - num_blocks);
+ root_blocks_used = btrfs_root_blocks_used(&root->root_item);
+ btrfs_set_root_blocks_used(&root->root_item,
+ root_blocks_used - num_blocks);
+
ret = btrfs_del_item(trans, extent_root, &path);
if (!pin && extent_root->fs_info->last_insert.objectid >
blocknr)
@@ -527,7 +534,7 @@ static int alloc_extent(struct btrfs_tra
{
int ret;
int pending_ret;
- u64 super_blocks_used;
+ u64 super_blocks_used, root_blocks_used;
struct btrfs_fs_info *info = root->fs_info;
struct btrfs_root *extent_root = info->extent_root;
struct btrfs_extent_item extent_item;
@@ -553,6 +560,10 @@ static int alloc_extent(struct btrfs_tra
super_blocks_used = btrfs_super_blocks_used(info->disk_super);
btrfs_set_super_blocks_used(info->disk_super, super_blocks_used +
num_blocks);
+ root_blocks_used = btrfs_root_blocks_used(&root->root_item);
+ btrfs_set_root_blocks_used(&root->root_item, root_blocks_used +
+ num_blocks);
+
ret = btrfs_insert_item(trans, extent_root, ins, &extent_item,
sizeof(extent_item));