On Mon, Mar 2, 2015 at 7:46 AM, Mateusz Guzik wrote:
> On Mon, Mar 02, 2015 at 05:38:29AM +0100, Mateusz Guzik wrote:
>> On Sun, Mar 01, 2015 at 08:31:26AM +1100, Dave Chinner wrote:
>> > On Sat, Feb 28, 2015 at 05:25:57PM +0300, Alexey Dobriyan wrote:
>> > > Freezing and thawing are separate syst
On Mon, Mar 2, 2015 at 7:38 AM, Mateusz Guzik wrote:
> As explained below, this one task name is already very useful and likely
> covers majority of real life use cases.
>
> While working in support we were getting a lot of vmcores where hung task
> detector panicked the kernel because a lot of t
On Mon, Mar 02, 2015 at 05:38:29AM +0100, Mateusz Guzik wrote:
> On Sun, Mar 01, 2015 at 08:31:26AM +1100, Dave Chinner wrote:
> > On Sat, Feb 28, 2015 at 05:25:57PM +0300, Alexey Dobriyan wrote:
> > > Freezing and thawing are separate system calls, task which is supposed
> > > to thaw filesystem/s
On Mon, Mar 02, 2015 at 05:38:29AM +0100, Mateusz Guzik wrote:
> On Sun, Mar 01, 2015 at 08:31:26AM +1100, Dave Chinner wrote:
> > On Sat, Feb 28, 2015 at 05:25:57PM +0300, Alexey Dobriyan wrote:
> > > Freezing and thawing are separate system calls, task which is supposed
> > > to thaw filesystem/s
On Sun, Mar 01, 2015 at 08:31:26AM +1100, Dave Chinner wrote:
> On Sat, Feb 28, 2015 at 05:25:57PM +0300, Alexey Dobriyan wrote:
> > Freezing and thawing are separate system calls, task which is supposed
> > to thaw filesystem/superblock can disappear due to crash or not thaw
> > due to a bug. At l
On Sat, Feb 28, 2015 at 05:25:57PM +0300, Alexey Dobriyan wrote:
> Freezing and thawing are separate system calls, task which is supposed
> to thaw filesystem/superblock can disappear due to crash or not thaw
> due to a bug. At least record task name (we can't take task_struct
> reference) to make
Freezing and thawing are separate system calls, task which is supposed
to thaw filesystem/superblock can disappear due to crash or not thaw
due to a bug. At least record task name (we can't take task_struct
reference) to make support engineer's life easier.
Hopefully 16 bytes per superblock isn't
