On Fri, Jul 01, 2011 at 11:27:55PM +0800, Tao Ma wrote: > From: Tao Ma <boyu.mt@xxxxxxxxxx> > > In ext4, when FITRIM is called every time, we iterate all the > groups and do trim one by one. It is a bit time wasting if the > group has been trimmed and there is no change since the last > trim. > > So this patch adds a new flag in ext4_group_info->bb_state to > indicate that the group has been trimmed, and it will be cleared > if some blocks is freed(in release_blocks_on_commit). Another > trim_minlen is added in ext4_sb_info to record the last minlen > we use to trim the volume, so that if the caller provide a small > one, we will go on the trim regardless of the bb_state. Added to the ext4 tree, thanks. - Ted -- 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
