diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_refcount.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_refcount.c | 46 |
1 files changed, 30 insertions, 16 deletions
diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c index bee68c23d612..418d53295893 100644 --- a/fs/xfs/libxfs/xfs_refcount.c +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -88,8 +88,25 @@ xfs_refcount_lookup_ge( return xfs_btree_lookup(cur, XFS_LOOKUP_GE, stat); } +/* + * Look up the first record equal to [bno, len] in the btree + * given by cur. + */ +int +xfs_refcount_lookup_eq( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + int *stat) +{ + trace_xfs_refcount_lookup(cur->bc_mp, cur->bc_private.a.agno, bno, + XFS_LOOKUP_LE); + cur->bc_rec.rc.rc_startblock = bno; + cur->bc_rec.rc.rc_blockcount = 0; + return xfs_btree_lookup(cur, XFS_LOOKUP_EQ, stat); +} + /* Convert on-disk record to in-core format. */ -static inline void +void xfs_refcount_btrec_to_irec( union xfs_btree_rec *rec, struct xfs_refcount_irec *irec) @@ -149,7 +166,7 @@ xfs_refcount_update( * by [bno, len, refcount]. * This either works (return 0) or gets an EFSCORRUPTED error. */ -STATIC int +int xfs_refcount_insert( struct xfs_btree_cur *cur, struct xfs_refcount_irec *irec, @@ -162,7 +179,10 @@ xfs_refcount_insert( cur->bc_rec.rc.rc_blockcount = irec->rc_blockcount; cur->bc_rec.rc.rc_refcount = irec->rc_refcount; error = xfs_btree_insert(cur, i); + if (error) + goto out_error; XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, *i == 1, out_error); + out_error: if (error) trace_xfs_refcount_insert_error(cur->bc_mp, @@ -351,7 +371,6 @@ xfs_refcount_merge_center_extents( struct xfs_refcount_irec *center, struct xfs_refcount_irec *right, unsigned long long extlen, - xfs_agblock_t *agbno, xfs_extlen_t *aglen) { int error; @@ -471,7 +490,6 @@ xfs_refcount_merge_right_extent( struct xfs_btree_cur *cur, struct xfs_refcount_irec *right, struct xfs_refcount_irec *cright, - xfs_agblock_t *agbno, xfs_extlen_t *aglen) { int error; @@ -749,7 +767,7 @@ xfs_refcount_merge_extents( ulen < MAXREFCEXTLEN) { *shape_changed = true; return xfs_refcount_merge_center_extents(cur, &left, &cleft, - &right, ulen, agbno, aglen); + &right, ulen, aglen); } /* Try to merge left and cleft. */ @@ -778,7 +796,7 @@ xfs_refcount_merge_extents( ulen < MAXREFCEXTLEN) { *shape_changed = true; return xfs_refcount_merge_right_extent(cur, &right, &cright, - agbno, aglen); + aglen); } return error; @@ -1356,9 +1374,7 @@ xfs_refcount_adjust_cow_extents( struct xfs_btree_cur *cur, xfs_agblock_t agbno, xfs_extlen_t aglen, - enum xfs_refc_adjust_op adj, - struct xfs_defer_ops *dfops, - struct xfs_owner_info *oinfo) + enum xfs_refc_adjust_op adj) { struct xfs_refcount_irec ext, tmp; int error; @@ -1437,8 +1453,7 @@ xfs_refcount_adjust_cow( struct xfs_btree_cur *cur, xfs_agblock_t agbno, xfs_extlen_t aglen, - enum xfs_refc_adjust_op adj, - struct xfs_defer_ops *dfops) + enum xfs_refc_adjust_op adj) { bool shape_changed; int error; @@ -1465,8 +1480,7 @@ xfs_refcount_adjust_cow( goto out_error; /* Now that we've taken care of the ends, adjust the middle extents */ - error = xfs_refcount_adjust_cow_extents(cur, agbno, aglen, adj, - dfops, NULL); + error = xfs_refcount_adjust_cow_extents(cur, agbno, aglen, adj); if (error) goto out_error; @@ -1493,7 +1507,7 @@ __xfs_refcount_cow_alloc( /* Add refcount btree reservation */ return xfs_refcount_adjust_cow(rcur, agbno, aglen, - XFS_REFCOUNT_ADJUST_COW_ALLOC, dfops); + XFS_REFCOUNT_ADJUST_COW_ALLOC); } /* @@ -1511,7 +1525,7 @@ __xfs_refcount_cow_free( /* Remove refcount btree reservation */ return xfs_refcount_adjust_cow(rcur, agbno, aglen, - XFS_REFCOUNT_ADJUST_COW_FREE, dfops); + XFS_REFCOUNT_ADJUST_COW_FREE); } /* Record a CoW staging extent in the refcount btree. */ @@ -1568,7 +1582,7 @@ struct xfs_refcount_recovery { /* Stuff an extent on the recovery list. */ STATIC int xfs_refcount_recover_extent( - struct xfs_btree_cur *cur, + struct xfs_btree_cur *cur, union xfs_btree_rec *rec, void *priv) { |
