On Mon 02-05-11 11:17:51, Wu Fengguang wrote: > sync(2) is performed in two stages: the WB_SYNC_NONE sync and the > WB_SYNC_ALL sync. Tag the first stage with wbc.tagged_sync and do > livelock prevention for it, too. > > Note that writeback_inodes_sb() is called by not only sync(), they are > treated the same because the other callers need also need livelock > prevention. I was thinking about this and could not find any - which other callers of writeback_inodes_sb() need the livelock prevention? Honza -- Jan Kara <jack@xxxxxxx> SUSE Labs, CR -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html