diff options
Diffstat (limited to 'fs/xfs/xfs_super.c')
| -rw-r--r-- | fs/xfs/xfs_super.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index baf5de30eebb..bb1d079b690d 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1450,6 +1450,19 @@ xfs_fc_fill_super( if (error) goto out_free_sb; + /* V4 support is undergoing deprecation. */ + if (!xfs_sb_version_hascrc(&mp->m_sb)) { +#ifdef CONFIG_XFS_SUPPORT_V4 + xfs_warn_once(mp, + "Deprecated V4 format (crc=0) will not be supported after September 2030."); +#else + xfs_warn(mp, + "Deprecated V4 format (crc=0) not supported by kernel."); + error = -EINVAL; + goto out_free_sb; +#endif + } + /* * XFS block mappings use 54 bits to store the logical block offset. * This should suffice to handle the maximum file size that the VFS |