diff options
| author | Kent Overstreet <kent.overstreet@gmail.com> | 2021-06-13 17:07:18 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2022-10-05 16:48:39 -0400 |
| commit | 1968f19d503a6c93d7964dca184fb72f093957f8 (patch) | |
| tree | 1e0ebae93ef553182a79e245b48661d0e3c1588c /fs/bcachefs/inode.c | |
| parent | c5edeba1a7af6c49e1c8b728b9e6b4e450e942ef (diff) | |
bcachefs: Add an option for whether inodes use the key cache
We probably don't ever want to flip this off in production, but it may
be useful for certain kinds of testing.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Diffstat (limited to 'fs/bcachefs/inode.c')
| -rw-r--r-- | fs/bcachefs/inode.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/fs/bcachefs/inode.c b/fs/bcachefs/inode.c index 565aebba30e6..8c6627907431 100644 --- a/fs/bcachefs/inode.c +++ b/fs/bcachefs/inode.c @@ -300,8 +300,10 @@ struct btree_iter *bch2_inode_peek(struct btree_trans *trans, struct bkey_s_c k; int ret; - iter = bch2_trans_get_iter(trans, BTREE_ID_inodes, POS(0, inum), - BTREE_ITER_CACHED|flags); + if (trans->c->opts.inodes_use_key_cache) + flags |= BTREE_ITER_CACHED; + + iter = bch2_trans_get_iter(trans, BTREE_ID_inodes, POS(0, inum), flags); k = bch2_btree_iter_peek_slot(iter); ret = bkey_err(k); if (ret) @@ -577,8 +579,12 @@ int bch2_inode_rm(struct bch_fs *c, u64 inode_nr, bool cached) struct bpos end = POS(inode_nr + 1, 0); struct bch_inode_unpacked inode_u; struct bkey_s_c k; + unsigned iter_flags = BTREE_ITER_INTENT; int ret; + if (cached && c->opts.inodes_use_key_cache) + iter_flags |= BTREE_ITER_CACHED; + bch2_trans_init(&trans, c, 0, 1024); /* @@ -600,11 +606,8 @@ int bch2_inode_rm(struct bch_fs *c, u64 inode_nr, bool cached) retry: bch2_trans_begin(&trans); - iter = bch2_trans_get_iter(&trans, BTREE_ID_inodes, POS(0, inode_nr), - (cached - ? BTREE_ITER_CACHED - : BTREE_ITER_SLOTS)| - BTREE_ITER_INTENT); + iter = bch2_trans_get_iter(&trans, BTREE_ID_inodes, + POS(0, inode_nr), iter_flags); k = bch2_btree_iter_peek_slot(iter); ret = bkey_err(k); |