2016-08-08 21:52 GMT+03:00 Hugo Mills <hugo@xxxxxxxxxxxxx>: > On Mon, Aug 08, 2016 at 09:38:28PM +0300, Ivan Sizov wrote: >> P.S. IMHO, log replay by default is a quite dangerous thing. I didn't >> know about that change and I could lose all files if the live USB had >> 4.6 kernel)) > > Log reply on mount has _always_ been the default, and should remain > so. It gives you the expected semantics after a power loss: all th > efiles that you'd written up to the point of the power loss actually > appear afterwards. (If this didn't happen, you could lose up to 30s of > writes from before the crash). > > It's only very recently that there's been an option to prevent it, > which is useful in a limited number of cases (such as trying to > undelete a file, which is not really a supported operation in any > case). I mean only RO mount, of course. So, will zero-log prevent my files during RW mount? -- Ivan Sizov (SIvan) -- 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
