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Btrfs: create a logical->phsyical block number mapping scheme

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2007-04-11 15:53:25 -04:00 • committed by David Woodhouse
parent 0bd93ba022
commit 7eccb903a8
7 changed files with 134 additions and 68 deletions
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1
fs/btrfs/disk-io.h
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@ -41,4 +41,5 @@ int btrfs_csum_data(struct btrfs_root * root, char *data, size_t len,
char *result);
struct btrfs_root *btrfs_read_fs_root(struct btrfs_fs_info *fs_info,
struct btrfs_key *location);
u64 bh_blocknr(struct buffer_head *bh);
#endif