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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2019-12-13 19:08:37 +0100 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 23:08:32 +0200 |
| commit | c297a763e2dcf34fe94f74c633957306d28fe138 (patch) | |
| tree | ee87324ee2109252ce58a7a746f35a42461c78c6 /fs/bcachefs/btree_io.h | |
| parent | bcachefs: Whiteout changes (diff) | |
| download | linux-c297a763e2dcf34fe94f74c633957306d28fe138.tar.xz linux-c297a763e2dcf34fe94f74c633957306d28fe138.zip | |
bcachefs: Refactor whiteouts compaction
The whiteout compaction path - as opposed to just dropping whiteouts -
is now only needed for extents, and soon will only be needed for extent
btree nodes in the old format.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/btree_io.h')
| -rw-r--r-- | fs/bcachefs/btree_io.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/fs/bcachefs/btree_io.h b/fs/bcachefs/btree_io.h index 69516ec34b89..43fa8a6dbee5 100644 --- a/fs/bcachefs/btree_io.h +++ b/fs/bcachefs/btree_io.h @@ -54,16 +54,17 @@ static inline bool btree_node_may_write(struct btree *b) enum compact_mode { COMPACT_LAZY, - COMPACT_WRITTEN, - COMPACT_WRITTEN_NO_WRITE_LOCK, + COMPACT_ALL, }; -bool __bch2_compact_whiteouts(struct bch_fs *, struct btree *, enum compact_mode); +bool bch2_compact_whiteouts(struct bch_fs *, struct btree *, + enum compact_mode); -static inline unsigned should_compact_bset_lazy(struct btree *b, struct bset_tree *t) +static inline bool should_compact_bset_lazy(struct btree *b, + struct bset_tree *t) { unsigned total_u64s = bset_u64s(t); - unsigned dead_u64s = total_u64s - b->nr.bset_u64s[t - b->set]; + unsigned dead_u64s = bset_dead_u64s(b, t); return dead_u64s > 64 && dead_u64s * 3 > total_u64s; } @@ -74,7 +75,7 @@ static inline bool bch2_maybe_compact_whiteouts(struct bch_fs *c, struct btree * for_each_bset(b, t) if (should_compact_bset_lazy(b, t)) - return __bch2_compact_whiteouts(c, b, COMPACT_LAZY); + return bch2_compact_whiteouts(c, b, COMPACT_LAZY); return false; } |