Message ID | 20170620121526.13661-1-jeffm@suse.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Tue, Jun 20, 2017 at 08:15:26AM -0400, jeffm@suse.com wrote: > From: Jeff Mahoney <jeffm@suse.com> > > On an uncontended system, we can end up hitting soft lockups while > doing replace_path. At the core, and frequently called is > btrfs_qgroup_trace_leaf_items, so it makes sense to add a cond_resched > there. > > Signed-off-by: Jeff Mahoney <jeffm@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index deffbeb74a0b..7a3cfa22e178 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1559,6 +1559,7 @@ int btrfs_qgroup_trace_leaf_items(struct btrfs_trans_handle *trans, if (ret) return ret; } + cond_resched(); return 0; }