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
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