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-rw-r--r--fs/xfs/libxfs/xfs_alloc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index 857a53e58b94..a9ff3cf82cce 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -2243,6 +2243,9 @@ xfs_alloc_fix_freelist(
xfs_extlen_t need; /* total blocks needed in freelist */
int error = 0;
+ /* deferred ops (AGFL block frees) require permanent transactions */
+ ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES);
+
if (!pag->pagf_init) {
error = xfs_alloc_read_agf(mp, tp, args->agno, flags, &agbp);
if (error)