On Mon, Oct 07, 2019 at 04:17:49PM -0400, Dennis Zhou wrote: > Currently, there is no way for the free space cache to recover from > being serviced by purely bitmaps because the extent threshold is set to > 0 in recalculate_thresholds() when we surpass the metadata allowance. > > This adds a recovery mechanism by keeping large extents out of the > bitmaps and increases the metadata upper bound to 64KB. The recovery > mechanism bypasses this upper bound, thus making it a soft upper bound. > But, with the bypass being 1MB or greater, it shouldn't add unbounded > overhead. > > Signed-off-by: Dennis Zhou <[email protected]>
Reviewed-by: Josef Bacik <[email protected]> Thanks, Josef
