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Date: Fri, 9 Oct 2020 12:49:58 -0700 From: ira.weiny@...el.com To: Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, Andy Lutomirski <luto@...nel.org>, Peter Zijlstra <peterz@...radead.org> Cc: Ira Weiny <ira.weiny@...el.com>, Miklos Szeredi <miklos@...redi.hu>, x86@...nel.org, Dave Hansen <dave.hansen@...ux.intel.com>, Dan Williams <dan.j.williams@...el.com>, Fenghua Yu <fenghua.yu@...el.com>, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, linux-nvdimm@...ts.01.org, linux-fsdevel@...r.kernel.org, linux-mm@...ck.org, linux-kselftest@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, kvm@...r.kernel.org, netdev@...r.kernel.org, bpf@...r.kernel.org, kexec@...ts.infradead.org, linux-bcache@...r.kernel.org, linux-mtd@...ts.infradead.org, devel@...verdev.osuosl.org, linux-efi@...r.kernel.org, linux-mmc@...r.kernel.org, linux-scsi@...r.kernel.org, target-devel@...r.kernel.org, linux-nfs@...r.kernel.org, ceph-devel@...r.kernel.org, linux-ext4@...r.kernel.org, linux-aio@...ck.org, io-uring@...r.kernel.org, linux-erofs@...ts.ozlabs.org, linux-um@...ts.infradead.org, linux-ntfs-dev@...ts.sourceforge.net, reiserfs-devel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, linux-nilfs@...r.kernel.org, cluster-devel@...hat.com, ecryptfs@...r.kernel.org, linux-cifs@...r.kernel.org, linux-btrfs@...r.kernel.org, linux-afs@...ts.infradead.org, linux-rdma@...r.kernel.org, amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org, drbd-dev@...ts.linbit.com, linux-block@...r.kernel.org, xen-devel@...ts.xenproject.org, linux-cachefs@...hat.com, samba-technical@...ts.samba.org, intel-wired-lan@...ts.osuosl.org Subject: [PATCH RFC PKS/PMEM 23/58] fs/fuse: Utilize new kmap_thread() From: Ira Weiny <ira.weiny@...el.com> 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: Miklos Szeredi <miklos@...redi.hu> Signed-off-by: Ira Weiny <ira.weiny@...el.com> --- fs/fuse/readdir.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/fuse/readdir.c b/fs/fuse/readdir.c index 90e3f01bd796..953ffe6f56e3 100644 --- a/fs/fuse/readdir.c +++ b/fs/fuse/readdir.c @@ -536,9 +536,9 @@ static int fuse_readdir_cached(struct file *file, struct dir_context *ctx) * Contents of the page are now protected against changing by holding * the page lock. */ - addr = kmap(page); + addr = kmap_thread(page); res = fuse_parse_cache(ff, addr, size, ctx); - kunmap(page); + kunmap_thread(page); unlock_page(page); put_page(page); -- 2.28.0.rc0.12.gb6a658bd00c9
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