From mboxrd@z Thu Jan 1 00:00:00 1970 From: ira.weiny@intel.com Date: Fri, 9 Oct 2020 12:49:59 -0700 Subject: [Intel-wired-lan] [PATCH RFC PKS/PMEM 24/58] fs/freevxfs: Utilize new kmap_thread() In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> Message-ID: <20201009195033.3208459-25-ira.weiny@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: From: Ira Weiny The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Cc: Christoph Hellwig Signed-off-by: Ira Weiny --- fs/freevxfs/vxfs_immed.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/freevxfs/vxfs_immed.c b/fs/freevxfs/vxfs_immed.c index bfc780c682fb..9c42fec4cd85 100644 --- a/fs/freevxfs/vxfs_immed.c +++ b/fs/freevxfs/vxfs_immed.c @@ -69,9 +69,9 @@ vxfs_immed_readpage(struct file *fp, struct page *pp) u_int64_t offset = (u_int64_t)pp->index << PAGE_SHIFT; caddr_t kaddr; - kaddr = kmap(pp); + kaddr = kmap_thread(pp); memcpy(kaddr, vip->vii_immed.vi_immed + offset, PAGE_SIZE); - kunmap(pp); + kunmap_thread(pp); flush_dcache_page(pp); SetPageUptodate(pp); -- 2.28.0.rc0.12.gb6a658bd00c9