ocfs2: allocate btree internal block groups from the global bitmap
Otherwise, the need for a very large contiguous allocation tends to
wreak havoc on many inode allocation reservations on the local alloc, thus
ruining any chances for contiguousness.
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index f20bcbf..df95707 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -755,7 +755,7 @@
status = ocfs2_reserve_suballoc_bits(osb, (*ac),
EXTENT_ALLOC_SYSTEM_INODE,
(u32)osb->slot_num, NULL,
- ALLOC_NEW_GROUP);
+ ALLOC_GROUPS_FROM_GLOBAL|ALLOC_NEW_GROUP);
if (status >= 0) {
@@ -1871,6 +1871,8 @@
&& ac->ac_which != OCFS2_AC_USE_MAIN);
if (ac->ac_which == OCFS2_AC_USE_LOCAL) {
+ WARN_ON(min_clusters > 1);
+
status = ocfs2_claim_local_alloc_bits(osb,
handle,
ac,