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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-07-12 20:55:03 +0300 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-23 00:10:07 +0300 |
| commit | 8479938d7a0f6c6cf6362c72880e753b3d7a707a (patch) | |
| tree | 2fcef58d98c02334138389be77b5177437e30a70 /fs/bcachefs/bcachefs.h | |
| parent | d82978ca1593890a1b41eab6d06fe6e5950e4722 (diff) | |
| download | linux-8479938d7a0f6c6cf6362c72880e753b3d7a707a.tar.xz | |
bcachefs: Convert snapshot table to RCU array
This switches the generic radix tree for the in-memory table of snapshot
nodes to a simple rcu array. This means we have to add new locking to
deal with reallocations, but is faster than traversing the radix tree.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/bcachefs.h')
| -rw-r--r-- | fs/bcachefs/bcachefs.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h index d8c020644f54..445d010c83b3 100644 --- a/fs/bcachefs/bcachefs.h +++ b/fs/bcachefs/bcachefs.h @@ -774,9 +774,10 @@ struct bch_fs { struct mutex sb_lock; /* snapshot.c: */ - GENRADIX(struct snapshot_t) snapshots; - struct bch_snapshot_table __rcu *snapshot_table; + struct snapshot_table __rcu *snapshots; + size_t snapshot_table_size; struct mutex snapshot_table_lock; + struct work_struct snapshot_delete_work; struct work_struct snapshot_wait_for_pagecache_and_delete_work; snapshot_id_list snapshots_unlinked; |