Commit f11f7441 authored May 31, 2017 by David Sterba

btrfs: send: use kvmalloc in iterate_dir_item



We use a growing buffer for xattrs larger than a page size, at some
point vmalloc is unconditionally used for larger buffers. We can still
try to avoid it using the kvmalloc helper.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

parent 818e010b

fs/btrfs/send.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1083,7 +1083,7 @@ static int iterate_dir_item(struct btrfs_root root, struct btrfs_path path,
		buf = tmp;
		}
		if (!buf) {
		buf = vmalloc(buf_len);
		buf = kvmalloc(buf_len, GFP_KERNEL);
		if (!buf) {
		ret = -ENOMEM;
		goto out;