On Wed, Dec 1, 2010 at 8:28 PM, Yan, Zheng <yanzheng@xxxxxxxx> wrote: > On Thu, Dec 2, 2010 at 11:42 AM, liubo <liubo2009@xxxxxxxxxxxxxx> wrote: >> On 12/01/2010 06:20 PM, liubo wrote: >>> When the filesystem is readonly, avoid transaction stuff by checking MS_RDONLY at >>> start transaction time. >>> >> >> This patch may lead btrfs panic. >> >> Since btrfs allows transaction under readonly fs state, which is a bit weird, btrfs >> does not even check the returned transaction from start_transaction, although it may >> return -ENOMEM. > > btrfs may do log replay even mount as readonly. > What part is logged besides tree roots and/or superblocks? -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
