bcachefs: New superblock section members_v2

members_v2 has dynamically resizable entries so that we can extend
bch_member. The members can no longer be accessed with simple array
indexing Instead members_v2_get is used to find a member's exact
location within the array and returns a copy of that member.
Alternatively member_v2_get_mut retrieves a mutable point to a member.

Signed-off-by: Hunter Shaffer <huntershaffer182456@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Hunter Shaffer 2023-09-25 00:02:56 -04:00 • committed by Kent Overstreet
commit 3f7b9713da
9 changed files with 326 additions and 160 deletions