bcachefs: Throttle updates when btree key cache is too dirty
authorKent Overstreet <kent.overstreet@gmail.com>
Fri, 20 Nov 2020 02:40:03 +0000 (21:40 -0500)
committerKent Overstreet <kent.overstreet@linux.dev>
Sun, 22 Oct 2023 21:08:48 +0000 (17:08 -0400)
commitd5425a3b220a8b94ae2dd3c74af001a6b1216651
treeb1a1c328a1e22f247ec9d3702ac4ff297722df7f
parent9d4582ffdb286d3513ee9ebf7961b1741d8cbc0d
bcachefs: Throttle updates when btree key cache is too dirty

This is needed to ensure we don't deadlock because journal reclaim and
thus memory reclaim isn't making forward progress.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
fs/bcachefs/btree_key_cache.h
fs/bcachefs/btree_types.h
fs/bcachefs/btree_update_leaf.c
fs/bcachefs/trace.h