LU-15703 ldiskfs: Disable unused fast commit buffer

[fs/lustre-release.git] / lustre / utils / libmount_utils_ldiskfs.c

diff --git a/lustre/utils/libmount_utils_ldiskfs.c b/lustre/utils/libmount_utils_ldiskfs.c
index 5907213..d548a2c 100644 (file)
--- a/lustre/utils/libmount_utils_ldiskfs.c
+++ b/lustre/utils/libmount_utils_ldiskfs.c
@@ -540,6 +540,10 @@ static int enable_default_ext4_features(struct mkfs_opts *mop, char *anchor,
        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. */