Commit bd256fda authored by Chaitanya Kulkarni's avatar Chaitanya Kulkarni Committed by Theodore Ts'o
Browse files

ext4: use memcpy_to_page() in pagecache_write() 



Signed-off-by: default avatarChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Link: https://lore.kernel.org/r/20210207190425.38107-7-chaitanya.kulkarni@wdc.com


Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 4d93874b

fs/ext4/verity.c

+1 −4
Original line number Diff line number Diff line
@@ -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);