diff options
Diffstat (limited to 'fs/xfs/scrub/repair.h')
| -rw-r--r-- | fs/xfs/scrub/repair.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/fs/xfs/scrub/repair.h b/fs/xfs/scrub/repair.h index 479cfe38065e..43eca74b19d0 100644 --- a/fs/xfs/scrub/repair.h +++ b/fs/xfs/scrub/repair.h @@ -6,6 +6,10 @@ #ifndef __XFS_SCRUB_REPAIR_H__ #define __XFS_SCRUB_REPAIR_H__ +#include "scrub/bitmap.h" +#include "xfs_btree.h" +union xfs_btree_ptr; + static inline int xrep_notsupported(struct xfs_scrub *sc) { return -EOPNOTSUPP; @@ -59,6 +63,57 @@ int xrep_agf(struct xfs_scrub *sc); int xrep_agfl(struct xfs_scrub *sc); int xrep_agi(struct xfs_scrub *sc); +struct xrep_newbt_resv { + /* Link to list of extents that we've reserved. */ + struct list_head list; + + /* FSB of the block we reserved. */ + xfs_fsblock_t fsbno; + + /* Length of the reservation. */ + xfs_extlen_t len; + + /* How much of this reservation has been used. */ + xfs_extlen_t used; +}; + +struct xrep_newbt { + struct xfs_scrub *sc; + + /* List of extents that we've reserved. */ + struct list_head resv_list; + + /* Fake root for new btree. */ + union { + struct xbtree_afakeroot afake; + struct xbtree_ifakeroot ifake; + }; + + /* rmap owner of these blocks */ + struct xfs_owner_info oinfo; + + /* Allocation hint */ + xfs_fsblock_t alloc_hint; + + /* per-ag reservation type */ + enum xfs_ag_resv_type resv; +}; + +void xrep_newbt_init_bare(struct xrep_newbt *xba, struct xfs_scrub *sc); +void xrep_newbt_init_ag(struct xrep_newbt *xba, struct xfs_scrub *sc, + const struct xfs_owner_info *oinfo, xfs_fsblock_t alloc_hint, + enum xfs_ag_resv_type resv); +void xrep_newbt_init_inode(struct xrep_newbt *xba, struct xfs_scrub *sc, + int whichfork, const struct xfs_owner_info *oinfo); +int xrep_newbt_add_blocks(struct xrep_newbt *xba, xfs_fsblock_t fsbno, + xfs_extlen_t len); +int xrep_newbt_alloc_blocks(struct xrep_newbt *xba, uint64_t nr_blocks); +void xrep_newbt_destroy(struct xrep_newbt *xba, int error); +int xrep_newbt_claim_block(struct xfs_btree_cur *cur, struct xrep_newbt *xba, + union xfs_btree_ptr *ptr); +void xrep_bload_estimate_slack(struct xfs_scrub *sc, + struct xfs_btree_bload *bload); + #else static inline int xrep_attempt( |