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SubjectRe: [GIT PULL] drbd-8.3 updates
On Thu, May 10 2012, Philipp Reisner wrote:
> Hi Jens,
>
> This are the updates we have in the drbd-8.3 tree. They are intended
> for your "for-3.5/drivers" drivers branch.
>
> These changes include one new feature:
> * Allow detach from frozen backing devices with the new --force option;
> configurable timeout for backing devices by the new disk-timeout option
>
> And huge number of bug fixes:
> * Fixed a write ordering problem on SyncTarget nodes for a write
> to a block that gets resynced at the same time. The bug can
> only be triggered with a device that has a firmware that
> actually reorders writes to the same block
> * Fixed a race between disconnect and receive_state, that could cause
> a IO lockup
> * Fixed resend/resubmit for requests with disk or network timeout
> * Make sure that hard state changed do not disturb the connection
> establishing process (I.e. detach due to an IO error). When the
> bug was triggered it caused a retry in the connect process
> * Postpone soft state changes to no disturb the connection
> establishing process (I.e. becoming primary). When the bug
> was triggered it could cause both nodes going into SyncSource state
> * Fixed a refcount leak that could cause failures when trying to
> unload a protocol family modules, that was used by DRBD
> * Dedicated page pool for meta data IOs
> * Deny normal detach (as opposed to --forced) if the user tries
> to detach from the last UpToDate disk in the resource
> * Fixed a possible protocol error that could be caused by
> "unusual" BIOs.
> * Enforce the disk-timeout option also on meta-data IO operations
> * Implemented stable bitmap pages when we do a full write out of
> the bitmap
> * Fixed a rare compatibility issue with DRBD's older than 8.3.7
> when negotiating the bio_size
> * Fixed a rare race condition where an empty resync could stall with
> if pause/unpause events happen in parallel
> * Made the re-establishing of connections quicker, if it got a broken pipe
> once. Previously there was a bug in the code caused it to waste the first
> successful established connection after a broken pipe event.
>
> PS: I am postponing the drbd-8.4 for mainline for one or two kernel
> development cycles more (the ~400 patchets set).
>
> Best regards,
> Philipp
>
> The following changes since commit 0b7877d4eea3f93e3dd941999522bbd8c538cb53:
>
> Merge tag 'v3.4-rc5' into for-3.5/core (2012-05-01 14:29:55 +0200)
>
> are available in the git repository at:
>
> git@git.drbd.org:linux-drbd for-jens

Thanks, pulled in. Your git url confused me a bit, though, I pulled in
git://git.drbd.org/linux-drbd for-jens

Diffstat matches etc, so I'm jotting the above down to a typo in your
pull request script.

--
Jens Axboe



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