| From | ira.weiny@intel ... | Subject | [PATCH RFC PKS/PMEM 28/58] fs/cachefiles: Utilize new kmap_thread() | Date | Fri, 9 Oct 2020 12:50:03 -0700 |
| |
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: David Howells <dhowells@redhat.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> --- fs/cachefiles/rdwr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c index 3080cda9e824..2468e5c067ba 100644 --- a/fs/cachefiles/rdwr.c +++ b/fs/cachefiles/rdwr.c @@ -936,9 +936,9 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page) } } - data = kmap(page); + data = kmap_thread(page); ret = kernel_write(file, data, len, &pos); - kunmap(page); + kunmap_thread(page); fput(file); if (ret != len) goto error_eio; -- 2.28.0.rc0.12.gb6a658bd00c9
|