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Btrfs: Add block group pinned accounting back

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This patch adds a helper function 'update_pinned_extents' to
extent-tree.c. The usage of the helper function is similar to
'update_block_group',  the last parameter of the function indicates
pin vs unpin.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Yan
2007-11-16 14:57:08 -05:00
committed by Chris Mason
parent 5103e947b9
commit 324ae4df00
3 changed files with 44 additions and 16 deletions
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5
fs/btrfs/ctree.h
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@@ -292,8 +292,8 @@ struct btrfs_block_group_cache {
struct btrfs_block_group_item item;
int data;
int cached;
u64 pinned;
};
struct btrfs_fs_info {
u8 fsid[BTRFS_FSID_SIZE];
struct btrfs_root *extent_root;
@@ -324,8 +324,9 @@ struct btrfs_fs_info {
struct completion kobj_unregister;
int do_barriers;
int closing;
};
u64 total_pinned;
};
/*
* in ram representation of the tree. extent_root is used for all allocations
* and for the extent tree extent_root root.