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author | Tejun Heo <tj@kernel.org> | 2010-07-20 20:09:01 (GMT) |
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committer | Tejun Heo <tj@kernel.org> | 2010-07-22 20:58:34 (GMT) |
commit | 8b8edefa2fffbff97f9eec8b70e78ae23abad1a0 (patch) | |
tree | 7f0efac8adb9c9ed7be8af63e51510954f1c51dc /drivers/video | |
parent | e120153ddf8620fd0a194d301e9c5a8b28483bb5 (diff) | |
download | linux-8b8edefa2fffbff97f9eec8b70e78ae23abad1a0.tar.xz |
fscache: convert object to use workqueue instead of slow-work
Make fscache object state transition callbacks use workqueue instead
of slow-work. New dedicated unbound CPU workqueue fscache_object_wq
is created. get/put callbacks are renamed and modified to take
@object and called directly from the enqueue wrapper and the work
function. While at it, make all open coded instances of get/put to
use fscache_get/put_object().
* Unbound workqueue is used.
* work_busy() output is printed instead of slow-work flags in object
debugging outputs. They mean basically the same thing bit-for-bit.
* sysctl fscache.object_max_active added to control concurrency. The
default value is nr_cpus clamped between 4 and
WQ_UNBOUND_MAX_ACTIVE.
* slow_work_sleep_till_thread_needed() is replaced with fscache
private implementation fscache_object_sleep_till_congested() which
waits on fscache_object_wq congestion.
* debugfs support is dropped for now. Tracing API based debug
facility is planned to be added.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'drivers/video')
0 files changed, 0 insertions, 0 deletions