[PATCH RFC PKS/PMEM 39/58] fs/jffs2: Utilize new kmap_thread()

[ira.weiny@xxxxxxxxx]

From: Ira Weiny <ira.weiny@xxxxxxxxx>

These kmap() calls are localized to a single thread.  To avoid the over head of
global PKRS updates use the new kmap_thread() call.

Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
---
 fs/jffs2/file.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 3e6d54f9b011..14dd2b18cc16 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -287,13 +287,13 @@ static int jffs2_write_end(struct file *filp, struct 
address_space *mapping,
 
        /* In 2.4, it was already kmapped by generic_file_write(). Doesn't
           hurt to do it again. The alternative is ifdefs, which are ugly. */
-       kmap(pg);
+       kmap_thread(pg);
 
        ret = jffs2_write_inode_range(c, f, ri, page_address(pg) + 
aligned_start,
                                      (pg->index << PAGE_SHIFT) + aligned_start,
                                      end - aligned_start, &writtenlen);
 
-       kunmap(pg);
+       kunmap_thread(pg);
 
        if (ret) {
                /* There was an error writing. */
-- 
2.28.0.rc0.12.gb6a658bd00c9