On 03/25/2014 03:21 PM, Olivier Bonvalet wrote:
> Mar 25 21:17:58 murmillia kernel: [ 2205.255933] rbd_img_obj_callback: bad
> image object request information:
> Mar 25 21:17:58 murmillia kernel: [ 2205.255938] obj_request ffff88025a2b3c48
> Mar 25 21:17:58 murmillia kernel: [ 2205.255940] ->object_name
> <rb.0.1536881.238e1f29.000000000439>
> Mar 25 21:17:58 murmillia kernel: [ 2205.255941] ->offset 0
> Mar 25 21:17:58 murmillia kernel: [ 2205.255943] ->length 28672
> Mar 25 21:17:58 murmillia kernel: [ 2205.255944] ->type 0x1
> Mar 25 21:17:58 murmillia kernel: [ 2205.255945] ->flags 0x3
> Mar 25 21:17:58 murmillia kernel: [ 2205.255946] ->which 1
> Mar 25 21:17:58 murmillia kernel: [ 2205.255948] ->xferred 28672
> Mar 25 21:17:58 murmillia kernel: [ 2205.255949] ->result 0
> Mar 25 21:17:58 murmillia kernel: [ 2205.255950] img_request ffff8802536c4a60
> Mar 25 21:17:58 murmillia kernel: [ 2205.255952] ->snap 0xffff880257f85ec0
> Mar 25 21:17:58 murmillia kernel: [ 2205.255953] ->offset 4534026240
> Mar 25 21:17:58 murmillia kernel: [ 2205.255954] ->length 45056
> Mar 25 21:17:58 murmillia kernel: [ 2205.255955] ->flags 0x1
The image request has IMG_REQ_CHILD set. That means it's a request
sent to a parent image.
I see one thing that I'm suspicious of, but I'll need to look at it
a bit to see if it's really a problem.
In rbd_parent_request_destroy(), should this last line:
rbd_img_request_destroy(kref);
be this instead?
rbd_img_request_put(parent_request);
And get rid of this line above that:
img_request_child_clear(parent_request);
Something to look at. Also the fact that it's a parent
request with two objects involved seems strange, but
again, I'm just speculating at this point.
-Alex
> Mar 25 21:17:58 murmillia kernel: [ 2205.255957] ->obj_request_count 1
> Mar 25 21:17:58 murmillia kernel: [ 2205.255958] ->next_completion 2
> Mar 25 21:17:58 murmillia kernel: [ 2205.255959] ->xferred 45056
> Mar 25 21:17:58 murmillia kernel: [ 2205.255960] ->result 0
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