if (IS_MDT(&mop->mo_ldd) && is_e2fsprogs_feature_supp("-O large_dir"))
append_unique(anchor, ",", "large_dir", NULL, maxbuflen);
+ /* Disable fast_commit since it breaks ldiskfs transactions ordering */
+ if (is_e2fsprogs_feature_supp("fast_commit"))
+ append_unique(anchor, ",", "^fast_commit", NULL, maxbuflen);
+
/* Cluster inode/block bitmaps and inode table for more efficient IO.
* Align the flex groups on a 1MB boundary for better performance. */
/* This -O feature needs to go last, since it adds the "-G" option. */