tree d1510daf164457d433b5f6219e5d48f2f6720a31
parent c09544e07f8cdc455ed8615d4c067d694c33bd18
author Josef Bacik <josef@redhat.com> 1314718289 -0400
committer Josef Bacik <josef@redhat.com> 1319051562 -0400

Btrfs: use the transactions block_rsv for the csum root

The alloc warnings everybody has been seeing is because we have been reserving
space for csums, but we weren't actually using that space.  So make
get_block_rsv() return the trans->block_rsv if we're modifying the csum root.
Also set the trans->block_rsv to NULL so that if we modify the csum root when
running delayed ref's that comes out of the global reserve like it's supposed
to.  With this patch I'm not seeing those alloc warnings anymore.  Thanks,

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