[PATCH RFC PKS/PMEM 23/58] fs/fuse: Utilize new kmap_thread()
From: ira.weiny@intel.com
Date: 2020-10-09 20:06:42
Also in:
amd-gfx, bpf, ceph-devel, dri-devel, intel-gfx, intel-wired-lan, io-uring, kexec, kvm, linux-bcache, linux-btrfs, linux-cifs, linux-doc, linux-efi, linux-ext4, linux-f2fs-devel, linux-fsdevel, linux-kselftest, linux-mm, linux-mmc, linux-nfs, linux-rdma, linux-scsi, linux-um, linuxppc-dev, lkml, netdev, nvdimm, target-devel, xen-devel
Subsystem:
filesystems (vfs and infrastructure), fuse: filesystem in userspace, the rest · Maintainers:
Alexander Viro, Christian Brauner, Miklos Szeredi, Linus Torvalds
From: Ira Weiny <ira.weiny@intel.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@szeredi.hu> Signed-off-by: Ira Weiny <ira.weiny@intel.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);
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2.28.0.rc0.12.gb6a658bd00c9