Hi Neil, This patch set fix some issues for journal disk hotadd, mainly for raid array which isn't created with journal support. If there are write IO running in the array when journal disk is adding, the write IO isn't protected by journal (eg, expose write hole issue), but this is unavoidable. Thanks, Shaohua Shaohua Li (4): raid5-cache: use rcu api to access r5conf->log raid5-cache: avoid write failure for journal hotadd raid5-cache: handle flush request for journal hotadd raid5-cache: handle batch stripe for journal hotadd drivers/md/md.c | 10 +++++++- drivers/md/md.h | 2 ++ drivers/md/raid5-cache.c | 61 +++++++++++++++++++++++++++++++++++++++--------- drivers/md/raid5.c | 20 ++++++++-------- drivers/md/raid5.h | 10 ++++---- 5 files changed, 76 insertions(+), 27 deletions(-) -- 2.4.6 -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
