tree d7110b64088d6e14e86cfeb02c483dd48c303c56
parent f104d044376aadcee74605d66b8d9dc2e145782c
author Josef Bacik <josef@redhat.com> 1318615330 -0400
committer Josef Bacik <josef@redhat.com> 1319051578 -0400

Btrfs: allow shrink_delalloc flush the needed reclaimed pages

Currently we only allow a maximum of 2 megabytes of pages to be flushed at a
time.  This was ok before, but now we have overcommit which will screw us in a
heartbeat if we are quickly filling the disk.  So instead pick either 2
megabytes or the number of pages we need to reclaim to be safe again, which ever
is larger.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>