Btrfs: Only do async bio submission for pdflush (7b859fe7) · Commits · e / devices / android_kernel_fairphone_FP4

fs/btrfs/disk-io.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -381,6 +381,13 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info fs_info, struct inode inode,
		{
		struct async_submit_bio *async;

		/*
		* inline writerback should stay inline, only hop to the async
		* queue if we're pdflush
		*/
		if (!current_is_pdflush())
		return submit_bio_hook(inode, rw, bio, mirror_num);

		async = kmalloc(sizeof(*async), GFP_NOFS);
		if (!async)
		return -ENOMEM;