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[RFC,PKS/PMEM,23/58] fs/fuse: Utilize new kmap_thread()

Message ID 20201009195033.3208459-24-ira.weiny@intel.com
State Not Applicable
Headers show
Series PMEM: Introduce stray write protection for PMEM | expand

Commit Message

Ira Weiny Oct. 9, 2020, 7:49 p.m. UTC 
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(-)
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Patch

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);