From: Fabian Frederick <fabf@skynet.be> To: Dan Williams <dan.j.williams@intel.com> Cc: fabf@skynet.be, linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org Subject: [PATCH V2 2/3 libnvdimm-pending] libnvdimm, namespace: avoid multiple sector calculations Date: Sat, 3 Dec 2016 19:53:53 +0100 [thread overview] Message-ID: <1480791233-21398-1-git-send-email-fabf@skynet.be> (raw) Use sector_t for cleared Suggested-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Fabian Frederick <fabf@skynet.be> --- V2: -applied on top of libnvdimm-pending drivers/nvdimm/pmem.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index 0f47062..9edad8b 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -51,17 +51,16 @@ static int pmem_clear_poison(struct pmem_device *pmem, phys_addr_t offset, unsigned int len) { struct device *dev = to_dev(pmem); - sector_t sector; - long cleared; + sector_t sector, cleared; sector = (offset - pmem->data_offset) / 512; - cleared = nvdimm_clear_poison(dev, pmem->phys_addr + offset, len); + cleared = nvdimm_clear_poison(dev, pmem->phys_addr + offset, len) / 512; - if (cleared > 0 && cleared / 512) { + if (cleared) { dev_dbg(dev, "%s: %#llx clear %ld sector%s\n", __func__, (unsigned long long) sector, - cleared / 512, cleared / 512 > 1 ? "s" : ""); - badblocks_clear(&pmem->bb, sector, cleared / 512); + cleared, cleared > 1 ? "s" : ""); + badblocks_clear(&pmem->bb, sector, cleared); } else { return -EIO; } -- 2.7.4 _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm
WARNING: multiple messages have this Message-ID (diff)
From: Fabian Frederick <fabf@skynet.be> To: Dan Williams <dan.j.williams@intel.com> Cc: linux-nvdimm@ml01.01.org, linux-kernel@vger.kernel.org, fabf@skynet.be Subject: [PATCH V2 2/3 libnvdimm-pending] libnvdimm, namespace: avoid multiple sector calculations Date: Sat, 3 Dec 2016 19:53:53 +0100 [thread overview] Message-ID: <1480791233-21398-1-git-send-email-fabf@skynet.be> (raw) Use sector_t for cleared Suggested-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Fabian Frederick <fabf@skynet.be> --- V2: -applied on top of libnvdimm-pending drivers/nvdimm/pmem.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index 0f47062..9edad8b 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -51,17 +51,16 @@ static int pmem_clear_poison(struct pmem_device *pmem, phys_addr_t offset, unsigned int len) { struct device *dev = to_dev(pmem); - sector_t sector; - long cleared; + sector_t sector, cleared; sector = (offset - pmem->data_offset) / 512; - cleared = nvdimm_clear_poison(dev, pmem->phys_addr + offset, len); + cleared = nvdimm_clear_poison(dev, pmem->phys_addr + offset, len) / 512; - if (cleared > 0 && cleared / 512) { + if (cleared) { dev_dbg(dev, "%s: %#llx clear %ld sector%s\n", __func__, (unsigned long long) sector, - cleared / 512, cleared / 512 > 1 ? "s" : ""); - badblocks_clear(&pmem->bb, sector, cleared / 512); + cleared, cleared > 1 ? "s" : ""); + badblocks_clear(&pmem->bb, sector, cleared); } else { return -EIO; } -- 2.7.4
next reply other threads:[~2016-12-03 18:53 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-12-03 18:53 Fabian Frederick [this message] 2016-12-03 18:53 ` [PATCH V2 2/3 libnvdimm-pending] libnvdimm, namespace: avoid multiple sector calculations Fabian Frederick
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