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-rw-r--r--fs/xfs/xfs_bmap_btree.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c
index 1140cef4ba9..23efad29a5c 100644
--- a/fs/xfs/xfs_bmap_btree.c
+++ b/fs/xfs/xfs_bmap_btree.c
@@ -1525,6 +1525,21 @@ xfs_bmbt_split(
XFS_BMBT_TRACE_CURSOR(cur, ERROR);
return error;
}
+ if (args.fsbno == NULLFSBLOCK && args.minleft) {
+ /*
+ * Could not find an AG with enough free space to satisfy
+ * a full btree split. Try again without minleft and if
+ * successful activate the lowspace algorithm.
+ */
+ args.fsbno = 0;
+ args.type = XFS_ALLOCTYPE_FIRST_AG;
+ args.minleft = 0;
+ if ((error = xfs_alloc_vextent(&args))) {
+ XFS_BMBT_TRACE_CURSOR(cur, ERROR);
+ return error;
+ }
+ cur->bc_private.b.flist->xbf_low = 1;
+ }
if (args.fsbno == NULLFSBLOCK) {
XFS_BMBT_TRACE_CURSOR(cur, EXIT);
*stat = 0;