Emit a mount-time warning when the inline_data feature is enabled, directing users to convert their filesystems with tune2fs. Signed-off-by: Yun Zhou --- fs/ext4/super.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 6c18b5adffca..9913e30b7040 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -3145,6 +3145,12 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es, ext4_msg(sb, KERN_WARNING, "warning: checktime reached, " "running e2fsck is recommended"); + if (ext4_has_feature_inline_data(sb)) + ext4_msg(sb, KERN_WARNING, + "warning: inline_data feature is deprecated and " + "will be removed in a future kernel release. " + "Use 'tune2fs -O ^inline_data' to convert."); + if (!sbi->s_journal) es->s_state &= cpu_to_le16(~EXT4_VALID_FS); if (!(__s16) le16_to_cpu(es->s_max_mnt_count)) -- 2.43.0