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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2022-03-18 00:42:09 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:09:51 -0400 |
| commit | 8e3f913e2ab6ac2cb9e75a0a8635d0b44f838c33 (patch) | |
| tree | 935cb6aa90e9ef93b1508be5f0c81f2f06ad8c3f /fs/bcachefs/move.h | |
| parent | a8c752bb1d93a24a0de753e209d4f4d58d65c878 (diff) | |
| download | lwn-8e3f913e2ab6ac2cb9e75a0a8635d0b44f838c33.tar.gz lwn-8e3f913e2ab6ac2cb9e75a0a8635d0b44f838c33.zip | |
bcachefs: Copygc now uses backpointers
Previously, copygc needed to walk the entire extents & reflink btrees to
find extents that needed to be moved.
Now that we have backpointers, this patch implements
bch2_evacuate_bucket() in the move code, which copygc now uses for
evacuating mostly empty buckets.
Also, thanks to the new backpointers code, copygc can now move btree
nodes.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/move.h')
| -rw-r--r-- | fs/bcachefs/move.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/bcachefs/move.h b/fs/bcachefs/move.h index 2eb6a15542e0..b14f679f6904 100644 --- a/fs/bcachefs/move.h +++ b/fs/bcachefs/move.h @@ -15,6 +15,7 @@ struct moving_context { struct bch_move_stats *stats; struct write_point_specifier wp; bool wait_on_copygc; + bool write_error; /* For waiting on outstanding reads and writes: */ struct closure cl; @@ -46,6 +47,15 @@ int bch2_move_data(struct bch_fs *, bool, move_pred_fn, void *); +int __bch2_evacuate_bucket(struct moving_context *, + struct bpos, int, + struct data_update_opts); +int bch2_evacuate_bucket(struct bch_fs *, struct bpos, int, + struct data_update_opts, + struct bch_ratelimit *, + struct bch_move_stats *, + struct write_point_specifier, + bool); int bch2_data_job(struct bch_fs *, struct bch_move_stats *, struct bch_ioctl_data); |