bcachefs: Fix another lockdep splat

vfree() can allocate memory, so we need to call memalloc_nofs_save().

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2020-10-15 21:48:58 -04:00 • committed by Kent Overstreet
commit 97c0e19502