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Message-ID: <151538168618.23920.8261096424342988792.stgit@noble>
Date: Mon, 08 Jan 2018 14:28:13 +1100
From: NeilBrown <neilb@...e.com>
To: Oleg Drokin <oleg.drokin@...el.com>,
James Simmons <jsimmons@...radead.org>,
Andreas Dilger <andreas.dilger@...el.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: lkml <linux-kernel@...r.kernel.org>,
lustre <lustre-devel@...ts.lustre.org>
Subject: [PATCH 5 v2: 00/19] staging: lustre: use standard wait_event macros
Hi,
this is a revised version of the patch series I sent under a similar
subject in mid December.
Improvements are:
- new wait_event_idle* macros are now in include/linux/wait.h which
Ack from peterz.
- *all* waits are now TASK_IDLE or TASK_INTERRUPTIBLE and so don't
affect the load average. There is no need to choose whether load
is appropriate or not in each case.
- all l_wait_event() users are handled so l_wait_event() is
removed. The one case I had left out before uses
wait_event_idle_exclusive() with and option of using
wait_event_idle_exclusive_lifo() is that ever gets approved.
I think this set is ready to go.
If you only review two patches, please review
staging: lustre: simplify waiting in ldlm_completion_ast()
and
staging: lustre: remove back_to_sleep()
as in both of those, the actual behaviour of the current code (as I
understand it) doesn't seem to agree with comments/debug message, or
just generally looks odd.
Thanks,
NeilBrown
---
NeilBrown (19):
sched/wait: add wait_event_idle() functions.
staging: lustre: discard SVC_SIGNAL and related functions
staging: lustre: replace simple cases of l_wait_event() with wait_event().
staging: lustre: discard cfs_time_seconds()
staging: lustre: use wait_event_idle_timeout() where appropriate.
staging: lustre: introduce and use l_wait_event_abortable()
staging: lustre: simplify l_wait_event when intr handler but no timeout.
staging: lustre: simplify waiting in ldlm_completion_ast()
staging: lustre: open code polling loop instead of using l_wait_event()
staging: lustre: simplify waiting in ptlrpc_invalidate_import()
staging: lustre: remove back_to_sleep()
staging: lustre: make polling loop in ptlrpc_unregister_bulk more obvious
staging: lustre: use wait_event_idle_timeout in ptlrpcd()
staging: lustre: improve waiting in sptlrpc_req_refresh_ctx
staging: lustre: use explicit poll loop in ptlrpc_service_unlink_rqbd
staging: lustre: use explicit poll loop in ptlrpc_unregister_reply
staging: lustre: remove l_wait_event from ptlrpc_set_wait
staging: lustre: replace l_wait_event_exclusive_head() with wait_event_idle_exclusive
staging: lustre: remove l_wait_event() and related code
.../lustre/include/linux/libcfs/libcfs_debug.h | 4
.../lustre/include/linux/libcfs/libcfs_time.h | 2
.../lustre/include/linux/libcfs/linux/linux-time.h | 7
.../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c | 8 -
.../staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c | 4
.../staging/lustre/lnet/klnds/socklnd/socklnd.c | 6
.../staging/lustre/lnet/klnds/socklnd/socklnd_cb.c | 22 +
drivers/staging/lustre/lnet/libcfs/debug.c | 2
drivers/staging/lustre/lnet/libcfs/fail.c | 2
drivers/staging/lustre/lnet/libcfs/tracefile.c | 4
drivers/staging/lustre/lnet/lnet/acceptor.c | 2
drivers/staging/lustre/lnet/lnet/api-ni.c | 4
drivers/staging/lustre/lnet/lnet/lib-move.c | 4
drivers/staging/lustre/lnet/lnet/net_fault.c | 14 -
drivers/staging/lustre/lnet/lnet/peer.c | 2
drivers/staging/lustre/lnet/lnet/router.c | 8 -
drivers/staging/lustre/lnet/selftest/conrpc.c | 4
drivers/staging/lustre/lnet/selftest/rpc.c | 2
drivers/staging/lustre/lnet/selftest/selftest.h | 2
drivers/staging/lustre/lnet/selftest/timer.c | 2
drivers/staging/lustre/lustre/include/lustre_dlm.h | 2
drivers/staging/lustre/lustre/include/lustre_lib.h | 296 ++------------------
drivers/staging/lustre/lustre/include/lustre_mdc.h | 2
drivers/staging/lustre/lustre/include/lustre_net.h | 8 -
drivers/staging/lustre/lustre/ldlm/ldlm_flock.c | 30 --
drivers/staging/lustre/lustre/ldlm/ldlm_lock.c | 14 -
drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c | 12 -
drivers/staging/lustre/lustre/ldlm/ldlm_pool.c | 17 -
drivers/staging/lustre/lustre/ldlm/ldlm_request.c | 55 +---
drivers/staging/lustre/lustre/ldlm/ldlm_resource.c | 14 -
drivers/staging/lustre/lustre/llite/llite_lib.c | 23 +-
drivers/staging/lustre/lustre/llite/statahead.c | 60 ++--
drivers/staging/lustre/lustre/lov/lov_object.c | 6
drivers/staging/lustre/lustre/lov/lov_request.c | 12 -
drivers/staging/lustre/lustre/mdc/mdc_request.c | 5
drivers/staging/lustre/lustre/mgc/mgc_request.c | 19 -
drivers/staging/lustre/lustre/obdclass/cl_io.c | 23 +-
drivers/staging/lustre/lustre/obdclass/genops.c | 24 +-
drivers/staging/lustre/lustre/obdclass/llog_obd.c | 5
.../staging/lustre/lustre/obdecho/echo_client.c | 2
drivers/staging/lustre/lustre/osc/osc_cache.c | 28 +-
drivers/staging/lustre/lustre/osc/osc_object.c | 6
drivers/staging/lustre/lustre/osc/osc_page.c | 6
drivers/staging/lustre/lustre/osc/osc_request.c | 6
drivers/staging/lustre/lustre/ptlrpc/client.c | 101 +++----
drivers/staging/lustre/lustre/ptlrpc/events.c | 7
drivers/staging/lustre/lustre/ptlrpc/import.c | 51 +--
drivers/staging/lustre/lustre/ptlrpc/niobuf.c | 15 +
.../staging/lustre/lustre/ptlrpc/pack_generic.c | 9 -
drivers/staging/lustre/lustre/ptlrpc/pinger.c | 28 +-
.../staging/lustre/lustre/ptlrpc/ptlrpc_internal.h | 2
drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c | 18 +
drivers/staging/lustre/lustre/ptlrpc/recover.c | 12 -
drivers/staging/lustre/lustre/ptlrpc/sec.c | 34 ++
drivers/staging/lustre/lustre/ptlrpc/sec_gc.c | 23 --
drivers/staging/lustre/lustre/ptlrpc/service.c | 84 +++---
include/linux/wait.h | 114 ++++++++
57 files changed, 516 insertions(+), 762 deletions(-)
--
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