On Thu, 5 Jan 2012 15:40:04 +0100 Jan Kara <jack@xxxxxxx> wrote: > > Hello, > > for mostly historical reasons we still clear buffer_uptodate flag on write > IO errors. I have long and strong memories of never being able to understand why we did that. > This is not only semantically wrong (buffer still has correct data > in it) but it also triggers warnings in mark_buffer_dirty when buffer is > written again which scares lots of users (as they tend to unplug USB sticks > too early). This patch series is an attempt to start solving the problem > by allowing filesystem to tell whether it wishes buffer_uptodate flag cleared > on write IO error. Ext2 is converted to use this as an example. Eventually > when all filesystems are converted, we can remove the condition. > > Do people think this is a desirable way to go? > Linus might have some thoughts. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
