VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> 2021-02-07 11:04:23 -0800 committer: Theodore Ts'o <tytso@mit.edu> 2021-03-25 10:19:48 -0400 commit: bd256fda92efe97b692dc72e246d35fa724d42d8 parent: 4d93874b9e9ce582fd4401334c88eaf93b6dff43
Commit Summary:
ext4: use memcpy_to_page() in pagecache_write()
Diffstat:
1 file changed, 1 insertion, 4 deletions
diff --git a/fs/ext4/verity.c b/fs/ext4/verity.c
index daf88669a2e9..c6ed2aa9c534 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);