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authorAlex Elder <elder@inktank.com>2012-10-08 20:37:30 -0700
committerAlex Elder <elder@inktank.com>2012-10-09 22:00:44 -0700
commit802c6d967fbdcd2cbc91b917425661bb8bbfaade (patch)
treea5a64ac537fb69ecb1edd55db8346089fecb9f84 /net/atm/atm_sysfs.c
parent8618e30bc14b06bfafa0f164cca7b0e06451f88a (diff)
downloadop-kernel-dev-802c6d967fbdcd2cbc91b917425661bb8bbfaade.zip
op-kernel-dev-802c6d967fbdcd2cbc91b917425661bb8bbfaade.tar.gz
rbd: define common queue_con_delay()
This patch defines a single function, queue_con_delay() to call queue_delayed_work() for a connection. It basically generalizes what was previously queue_con() by adding the delay argument. queue_con() is now a simple helper that passes 0 for its delay. queue_con_delay() returns 0 if it queued work or an errno if it did not for some reason. If con_work() finds the BACKOFF flag set for a connection, it now calls queue_con_delay() to handle arranging to start again after a delay. Note about connection reference counts: con_work() only ever gets called as a work item function. At the time that work is scheduled, a reference to the connection is acquired, and the corresponding con_work() call is then responsible for dropping that reference before it returns. Previously, the backoff handling inside con_work() silently handed off its reference to delayed work it scheduled. Now that queue_con_delay() is used, a new reference is acquired for the newly-scheduled work, and the original reference is dropped by the con->ops->put() call at the end of the function. Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: Sage Weil <sage@inktank.com>
Diffstat (limited to 'net/atm/atm_sysfs.c')
0 files changed, 0 insertions, 0 deletions
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