El Sun, 20-06-2010 a las 01:10 +0000, Aleksey Lim escribió: > There were patches on bugs.sl.o that are using fsync on every ds change > (file based fsync) to make journal more robust. I'm personally not happy > with this method. And maybe most of journal issues with "lost" data could > be effectively solved just by keeping index up-to-date.
I agree, syncing too often would be overkill. > So, what about using dirty flag. For example: > > * before any ds changes, set dirty flag (well, in fs as well) > * process several ds requests > * in some time (some minutes), remove dirty flag and do sync on entirely fs > * expose sync ds method to make sync directly e.g. on Reboot button click To implement the dirty flag, we could recycle the index_updated flag file: we could remove it before performing any change and restore it when we're done updating the journal. -- // Bernie Innocenti - http://codewiz.org/ \X/ Sugar Labs - http://sugarlabs.org/ _______________________________________________ Sugar-devel mailing list Sugar-devel@lists.sugarlabs.org http://lists.sugarlabs.org/listinfo/sugar-devel