diff mbox series

[RFC,6/8] ext4: use memcpy_to_page() in pagecache_write()

Message ID 20210207190425.38107-7-chaitanya.kulkarni@wdc.com
State New
Headers show
Series use core page calls instead of kmaps | expand

Commit Message

Chaitanya Kulkarni Feb. 7, 2021, 7:04 p.m. UTC
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
 fs/ext4/verity.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/fs/ext4/verity.c b/fs/ext4/verity.c
index c8e07f8a792d..cc4b046490b0 100644
--- a/fs/ext4/verity.c
+++ b/fs/ext4/verity.c
@@ -77,7 +77,6 @@  static int pagecache_write(struct inode *inode, const void *buf, size_t count,
 				 PAGE_SIZE - offset_in_page(pos));
 		struct page *page;
 		void *fsdata;
-		void *addr;
 		int res;
 
 		res = pagecache_write_begin(NULL, inode->i_mapping, pos, n, 0,
@@ -85,9 +84,7 @@  static int pagecache_write(struct inode *inode, const void *buf, size_t count,
 		if (res)
 			return res;
 
-		addr = kmap_atomic(page);
-		memcpy(addr + offset_in_page(pos), buf, n);
-		kunmap_atomic(addr);
+		memcpy_to_page(page, offset_in_page(pos), buf, n);
 
 		res = pagecache_write_end(NULL, inode->i_mapping, pos, n, n,
 					  page, fsdata);