With bigalloc feature enabled we do not support indirect addressing at all so we have to prevent extent addressing to indirect addressing conversion in this case. The problem has been introduced with the commit "ext4: support simple conversion of extent-mapped inodes to use i_blocks" Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx> --- fs/ext4/extents.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 6c5a70a..ddb6628 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4735,6 +4735,10 @@ int ext4_ind_migrate(struct inode *inode) (!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) return -EINVAL; + if (EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb, + EXT4_FEATURE_RO_COMPAT_BIGALLOC)) + return -EOPNOTSUPP; + down_write(&EXT4_I(inode)->i_data_sem); ret = ext4_ext_check_inode(inode); if (ret) -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html