On Thu, Apr 18, 2019 at 05:21:05PM -0700, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > > Add a percpu counter to track the number of blocks directly reserved for > delayed allocations on the data device. This counter (in contrast to > i_delayed_blks) does not track allocated CoW staging extents or anything > going on with the realtime device. It will be used in the upcoming > summary counter scrub function to check the free block counts without > having to freeze the filesystem or walk all the inodes to find the > delayed allocations. > > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> I don't really like the fact we're adding new (int64_t) casts to the accounting code, but fixing that is a different problem. Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx> -- Dave Chinner david@xxxxxxxxxxxxx