diff options
| author | Kent Overstreet <kent.overstreet@gmail.com> | 2019-10-28 19:33:59 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:08:30 -0400 |
| commit | ff929515cc52ed693ff2116be3af9f32122e9b54 (patch) | |
| tree | 275f7c6ab71076f6e6c40048d545b11a36df4e47 /fs/bcachefs | |
| parent | c4e065c23c4ad464be2fb1c4dfa70090cc3d0c66 (diff) | |
bcachefs: Trust btree alloc info at runtime
This lets us avoid a cache miss in the write path.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs')
| -rw-r--r-- | fs/bcachefs/bcachefs.h | 1 | ||||
| -rw-r--r-- | fs/bcachefs/buckets.c | 2 | ||||
| -rw-r--r-- | fs/bcachefs/recovery.c | 2 |
3 files changed, 4 insertions, 1 deletions
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h index 093dc906353d..f8a040115fd1 100644 --- a/fs/bcachefs/bcachefs.h +++ b/fs/bcachefs/bcachefs.h @@ -499,6 +499,7 @@ enum { /* misc: */ BCH_FS_BDEV_MOUNTED, BCH_FS_FIXED_GENS, + BCH_FS_ALLOC_WRITTEN, BCH_FS_REBUILD_REPLICAS, BCH_FS_HOLD_BTREE_WRITES, }; diff --git a/fs/bcachefs/buckets.c b/fs/bcachefs/buckets.c index 34d3b117085b..0c2ca7601fde 100644 --- a/fs/bcachefs/buckets.c +++ b/fs/bcachefs/buckets.c @@ -1456,7 +1456,7 @@ static int bch2_trans_mark_pointer(struct btree_trans *trans, if (ret < 0) return ret; - if (!ret) { + if (!ret && unlikely(!test_bit(BCH_FS_ALLOC_WRITTEN, &c->flags))) { /* * During journal replay, and if gc repairs alloc info at * runtime, the alloc info in the btree might not be up to date diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c index 23f3ed54fadd..2c441a278044 100644 --- a/fs/bcachefs/recovery.c +++ b/fs/bcachefs/recovery.c @@ -864,6 +864,8 @@ int bch2_fs_recovery(struct bch_fs *c) goto err; } bch_verbose(c, "alloc write done"); + + set_bit(BCH_FS_ALLOC_WRITTEN, &c->flags); } if (!c->sb.clean) { |