Hisashi Hifumi <[EMAIL PROTECTED]> writes: > Hi Andrew. > > DIO invalidates page cache through invalidate_inode_pages2_range(). > invalidate_inode_pages2_range() sets ret=-EIO when invalidate_complete_page2() > fails, but this ret is cleared if do_launder_page() succeed on a page of next > index. > In this case, dio is carried out even if invalidate_complete_page2() fails on > some pages. > This can cause inconsistency between memory and blocks on HDD because the page > cache still exists. > > Following patch fixes this issue.
I agree with the patch (and I see Andrew already accepted it). Do you have a reproducer for this problem? Cheers, Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
