/* * intel-bts.h: Intel Processor Trace support * Copyright (c) 2013-2014, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * */ #ifndef INCLUDE__PERF_INTEL_BTS_H__ #define INCLUDE__PERF_INTEL_BTS_H__ #define INTEL_BTS_PMU_NAME "intel_bts" enum { INTEL_BTS_PMU_TYPE, INTEL_BTS_TIME_SHIFT, INTEL_BTS_TIME_MULT, INTEL_BTS_TIME_ZERO, INTEL_BTS_CAP_USER_TIME_ZERO, INTEL_BTS_SNAPSHOT_MODE, INTEL_BTS_AUXTRACE_PRIV_MAX, }; #define INTEL_BTS_AUXTRACE_PRIV_SIZE (INTEL_BTS_AUXTRACE_PRIV_MAX * sizeof(u64)) struct auxtrace_record; struct perf_tool; union perf_event; struct perf_session; struct auxtrace_record *intel_bts_recording_init(int *err); int intel_bts_process_auxtrace_info(union perf_event *event, struct perf_session *session); #endif selected='selected'>nds-private-remove net-next plumbingsTobias Klauser
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authorChristoph Hellwig <hch@lst.de>2017-01-13 15:18:16 -0700
committerJens Axboe <axboe@fb.com>2017-01-13 15:18:16 -0700
commitbef13315e990fd3d3fb4c39013aefd53f06c3657 (patch)
tree25101dd0c76363c670fd08f947ef46df48285e28 /sound/pci
parentf80de881d8df967488b7343381619efa15019493 (diff)
block: don't try to discard from __blkdev_issue_zeroout
Discard can return -EIO asynchronously if the alignment for the request isn't suitable for the driver, which makes a proper fallback to other methods in __blkdev_issue_zeroout impossible. Thus only issue a sync discard from blkdev_issue_zeroout an don't try discard at all from __blkdev_issue_zeroout as a non-invasive workaround. One more reason why abusing discard for zeroing must die.. Signed-off-by: Christoph Hellwig <hch@lst.de> Reported-by: Eryu Guan <eguan@redhat.com> Fixes: e73c23ff ("block: add async variant of blkdev_issue_zeroout") Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'sound/pci')