On 5/17/16 9:35 PM, Kamran Khan wrote: > Yup, the kernel versions are drastically different. It's 3.10 vs 4.2. > > The problem on 3.10 though is, while jbd2 holds on to the unmounted > device I cannot even rmmod jbd2 or ext4 *even if no other ext > filesystems are mounted*. That lock makes it all but impossible to do > anything with the block device. You may as well try Centos7.2, at least, there are 50+ updates to jbd2 & ext4 since 7.1. If it still persists we can dig further. -Eric > On Tue, May 17, 2016 at 7:17 PM, Eric Sandeen <sandeen@xxxxxxxxxx> wrote: >> On 5/17/16 7:46 PM, Kamran Khan wrote: >>> I'm trying to understand the difference in jbd2 behavior across Ubuntu >>> 14.04 and Centos 7.1. Will appreciate any help. >> >> For starters, what kernel versions are those? (I know what centos >> is, "3.10.0" with updates, which I can check out, but I have no idea >> what might be in the Ubuntu distro) >> >> -Eric > > > -- 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
