bcachefs: Drop memalloc_nofs_save() in bch2_btree_node_mem_alloc()

It's really not needed: the only locks used here are the btree cache
lock, which we drop for GFP_WAIT allocations, and btree node locks - but
we also drop those for GFP_WAIT allocations.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-08-19 15:11:20 -04:00
commit b36f679c99