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xfs: add support for free space btree staging cursors

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Add support for btree staging cursors for the free space btrees.  This
is needed both for online repair and also to convert xfs_repair to use
btree bulk loading.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Darrick J. Wong
2020-03-11 10:52:49 -07:00
parent 60e3d70707
commit e6eb33d905
2 changed files with 90 additions and 22 deletions
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7
fs/xfs/libxfs/xfs_alloc_btree.h
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@@ -13,6 +13,7 @@
struct xfs_buf;
struct xfs_btree_cur;
struct xfs_mount;
struct xbtree_afakeroot;
/*
* Btree block header size depends on a superblock flag.
@@ -48,8 +49,14 @@ struct xfs_mount;
extern struct xfs_btree_cur *xfs_allocbt_init_cursor(struct xfs_mount *,
struct xfs_trans *, struct xfs_buf *,
xfs_agnumber_t, xfs_btnum_t);
struct xfs_btree_cur *xfs_allocbt_stage_cursor(struct xfs_mount *mp,
struct xbtree_afakeroot *afake, xfs_agnumber_t agno,
xfs_btnum_t btnum);
extern int xfs_allocbt_maxrecs(struct xfs_mount *, int, int);
extern xfs_extlen_t xfs_allocbt_calc_size(struct xfs_mount *mp,
unsigned long long len);
void xfs_allocbt_commit_staged_btree(struct xfs_btree_cur *cur,
struct xfs_trans *tp, struct xfs_buf *agbp);
#endif /* __XFS_ALLOC_BTREE_H__ */