On Wed, Jun 30, 2010 at 08:13:54PM +1000, Dave Chinner wrote: > On Thu, Jun 24, 2010 at 01:03:04PM +1000, npiggin@xxxxxxx wrote: > > Problem with inode reclaim is that it puts inodes into I_FREEING state > > and then continues to gather more, during which it may iput, > > invalidate_mapping_pages, be preempted, etc. Holding these inodes in > > I_FREEING can cause pauses. > > What sort of pauses? I can't see how holding a few inodes in > I_FREEING state would cause any serious sort of holdoff... Well if the inode is accessed again, it has to wait for potentially hundreds of inodes to be found from the LRU, pagecache invalidated, and destroyed. -- 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
