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Btrfs: variable block size support

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-03-14 14:14:43 -04:00
committed by David Woodhouse
parent 4beb1b8b75
commit 123abc88c9
10 changed files with 238 additions and 300 deletions
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9
fs/btrfs/disk-io.h
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@@ -5,12 +5,12 @@
struct btrfs_buffer {
u64 blocknr;
int count;
struct list_head dirty;
struct list_head cache;
union {
struct btrfs_node node;
struct btrfs_leaf leaf;
};
struct list_head dirty;
struct list_head cache;
};
struct btrfs_buffer *read_tree_block(struct btrfs_root *root, u64 blocknr);
@@ -24,9 +24,8 @@ struct btrfs_root *open_ctree(char *filename, struct btrfs_super_block *s);
int close_ctree(struct btrfs_root *root, struct btrfs_super_block *s);
void btrfs_block_release(struct btrfs_root *root, struct btrfs_buffer *buf);
int write_ctree_super(struct btrfs_root *root, struct btrfs_super_block *s);
int mkfs(int fd, u64 num_blocks, u16 blocksize);
int mkfs(int fd, u64 num_blocks, u32 blocksize);
#define BTRFS_SUPER_INFO_OFFSET(bs) (16 * (bs))
#define BTRFS_SUPER_INFO_OFFSET (16 * 1024)
#endif