Hi, similarly to ext4 also XFS had races between hole punching and page faults which could result in data corruption. The fixes were merged in 4.1-rc1 but it might make sense to backport them to older stable releases given the nature of the issue. Relevant fixes are: de0e8c20ba3a65b0f15040aabbefdc1999876e6b 075a924d45cc69c75a35f20b4912b85aa98b180a e8e9ad42c1f1e1bfbe0e8c32c8cac02e9ebfb7ef 0f9160b444e4de33b65dfcd3b901358a3129461a 723cac48473358939759885a18e8df113ea96138 ec56b1f1fdc69599963574ce94cc5693d535dd64 Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html