bcachefs: journal->buf_lock

Add a new lock for synchronizing between journal IO path and btree write
buffer flush.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-11-02 21:06:52 -04:00
commit b05c0e9370
3 changed files with 9 additions and 0 deletions