diff options
Diffstat (limited to 'fs/bcachefs/backpointers.h')
| -rw-r--r-- | fs/bcachefs/backpointers.h | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/fs/bcachefs/backpointers.h b/fs/bcachefs/backpointers.h index 060dad1521ee..16575dbc5736 100644 --- a/fs/bcachefs/backpointers.h +++ b/fs/bcachefs/backpointers.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _BCACHEFS_BACKPOINTERS_BACKGROUND_H -#define _BCACHEFS_BACKPOINTERS_BACKGROUND_H +#ifndef _BCACHEFS_BACKPOINTERS_H +#define _BCACHEFS_BACKPOINTERS_H #include "btree_cache.h" #include "btree_iter.h" @@ -123,7 +123,12 @@ static inline enum bch_data_type bch2_bkey_ptr_data_type(struct bkey_s_c k, return BCH_DATA_btree; case KEY_TYPE_extent: case KEY_TYPE_reflink_v: - return p.has_ec ? BCH_DATA_stripe : BCH_DATA_user; + if (p.has_ec) + return BCH_DATA_stripe; + if (p.ptr.cached) + return BCH_DATA_cached; + else + return BCH_DATA_user; case KEY_TYPE_stripe: { const struct bch_extent_ptr *ptr = &entry->ptr; struct bkey_s_c_stripe s = bkey_s_c_to_stripe(k); @@ -147,7 +152,20 @@ static inline void bch2_extent_ptr_to_bp(struct bch_fs *c, struct bkey_i_backpointer *bp) { bkey_backpointer_init(&bp->k_i); - bp->k.p = POS(p.ptr.dev, ((u64) p.ptr.offset << MAX_EXTENT_COMPRESS_RATIO_SHIFT) + p.crc.offset); + bp->k.p.inode = p.ptr.dev; + + if (k.k->type != KEY_TYPE_stripe) + bp->k.p.offset = ((u64) p.ptr.offset << MAX_EXTENT_COMPRESS_RATIO_SHIFT) + p.crc.offset; + else { + /* + * Put stripe backpointers where they won't collide with the + * extent backpointers within the stripe: + */ + struct bkey_s_c_stripe s = bkey_s_c_to_stripe(k); + bp->k.p.offset = ((u64) (p.ptr.offset + le16_to_cpu(s.v->sectors)) << + MAX_EXTENT_COMPRESS_RATIO_SHIFT) - 1; + } + bp->v = (struct bch_backpointer) { .btree_id = btree_id, .level = level, |