nvme-multipath: optimize path selection in queue-depth policy#805
nvme-multipath: optimize path selection in queue-depth policy#805blktests-ci[bot] wants to merge 1 commit into
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Move the zero-depth check inside the optimized path case to enable early exit. It avoids redundant condition checks for non-optimized paths, and eliminates the per-iteration check at the end of the loop, improving the performance. Cc: Aviv Coro <aviv.coro@ibm.com> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Benjamin Marzinski <bmarzins@redhat.com> Cc: Brian Bunker <brian@purestorage.com> Cc: Caleb Sander <csander@purestorage.com> Cc: Chaitanya Kulkarni <kch@nvidia.com> Cc: Chris Leech <cleech@redhat.com> Cc: Christophe Varoqui <christophe.varoqui@opensvc.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Clayton Skaggs <claytons@netapp.com> Cc: Constantine Gavrilov <cgavrilov@infinidat.com> Cc: Daniel Wagner <wagi@kernel.org> Cc: David Santamaría Rogado <howl.nsp@gmail.com> Cc: Dmitry V. Levin <ldv@strace.io> Cc: Ewan D. Milne <emilne@redhat.com> Cc: Ewan Milne <emilne@redhat.com> Cc: Hannes Reinecke <hare@suse.de> Cc: James Smart <jsmart2021@gmail.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: John Meneghini <jmeneghi@redhat.com> Cc: Jyoti Rani <jrani@purestorage.com> Cc: Keith Busch <kbusch@kernel.org> Cc: Li Xiaokeng <lixiaokeng@huawei.com> Cc: Marco Patalano <mpatalan@redhat.com> Cc: Martin Belanger <martin.belanger@dell.com> Cc: Martin George <Martin.George@netapp.com> Cc: Martin Wilck <mwilck@suse.com> Cc: Matthias Rudolph <Matthias.Rudolph@hitachivantara.com> Cc: Maurizio Lombardi <mlombard@arkamax.eu> Cc: NetApp RDAC team <ng-eseries-upstream-maintainers@netapp.com> Cc: Nilay Shroff <nilay@linux.ibm.com> Cc: Randy Jennings <randyj@purestorage.com> Cc: Sagi Grimberg <sagi@grimberg.me> Cc: Simon Schricker <sschricker@suse.de> Cc: Steven Schremmer <Steve.Schremmer@netapp.com> Cc: Thomas Song <tsong@purestorage.com> Cc: Uday Shankar <ushankar@purestorage.com> Cc: Vasuki Manikarnike <vasuki.manikarnike@hpe.com> Cc: Wayne Berthiaume <Wayne.Berthiaume@dell.com> Cc: Zou Ming <zouming.zouming@huawei.com> Cc: BLOCK-ML <linux-block@vger.kernel.org> Cc: DM_DEVEL-ML <dm-devel@lists.linux.dev> Cc: NVME-ML <linux-nvme@lists.infradead.org> Cc: SCSI-ML <linux-scsi@vger.kernel.org> Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
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Pull request for series with
subject: nvme-multipath: optimize path selection in queue-depth policy
version: 1
url: https://patchwork.kernel.org/project/linux-block/list/?series=1090517