[Intel-wired-lan] [PATCH RFC PKS/PMEM 23/58] fs/fuse: Utilize new kmap_thread()

ira.weiny at intel.com ira.weiny at intel.com
Fri Oct 9 19:49:58 UTC 2020

From: Ira Weiny <ira.weiny at 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 at szeredi.hu>
Signed-off-by: Ira Weiny <ira.weiny at 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);

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