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Commit b720d209 authored by Chris Mason's avatar Chris Mason
Browse files

Btrfs: Limit the number of async bio submission kthreads to the number of devices 



Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent db69e0eb

fs/btrfs/disk-io.c

+3 −1
Original line number Diff line number Diff line
@@ -1348,7 +1348,9 @@ struct btrfs_root *open_ctree(struct super_block *sb, 
	 * cannot dynamically grow.

	 */

	btrfs_init_workers(&fs_info->workers, fs_info->thread_pool_size);

	btrfs_init_workers(&fs_info->submit_workers, fs_info->thread_pool_size);

	btrfs_init_workers(&fs_info->submit_workers,

			   min_t(u64, fs_devices->num_devices,

			   fs_info->thread_pool_size));



	/* a higher idle thresh on the submit workers makes it much more

	 * likely that bios will be send down in a sane order to the