From 73ab9e03861c22ec6723b7b110d62ba60f37c164 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Wed, 8 Nov 2023 17:11:44 -0500 Subject: bcachefs: Factor out darray resize slowpath Move the slowpath (actually growing the darray) to an out-of-line function; also, add some helpers for the upcoming btree write buffer rewrite. Signed-off-by: Kent Overstreet --- fs/bcachefs/darray.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 fs/bcachefs/darray.c (limited to 'fs/bcachefs/darray.c') diff --git a/fs/bcachefs/darray.c b/fs/bcachefs/darray.c new file mode 100644 index 000000000000..aae07be1d911 --- /dev/null +++ b/fs/bcachefs/darray.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include +#include +#include "darray.h" + +int __bch2_darray_resize(darray_void *d, size_t element_size, size_t new_size, gfp_t gfp) +{ + if (new_size > d->size) { + new_size = roundup_pow_of_two(new_size); + + void *data = krealloc_array(d->data, new_size, element_size, gfp); + if (!data) + return -ENOMEM; + + d->data = data; + d->size = new_size; + } + + return 0; +} -- cgit v1.2.3