Merge tag 'tty-5.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
[linux-2.6-microblaze.git] / fs / ext4 / verity.c
index 00e3cbd..eacbd48 100644 (file)
@@ -45,16 +45,13 @@ static int pagecache_read(struct inode *inode, void *buf, size_t count,
                size_t n = min_t(size_t, count,
                                 PAGE_SIZE - offset_in_page(pos));
                struct page *page;
-               void *addr;
 
                page = read_mapping_page(inode->i_mapping, pos >> PAGE_SHIFT,
                                         NULL);
                if (IS_ERR(page))
                        return PTR_ERR(page);
 
-               addr = kmap_atomic(page);
-               memcpy(buf, addr + offset_in_page(pos), n);
-               kunmap_atomic(addr);
+               memcpy_from_page(buf, page, offset_in_page(pos), n);
 
                put_page(page);
 
@@ -80,7 +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,
@@ -88,9 +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);
@@ -370,7 +364,7 @@ static struct page *ext4_read_merkle_tree_page(struct inode *inode,
                                               pgoff_t index,
                                               unsigned long num_ra_pages)
 {
-       DEFINE_READAHEAD(ractl, NULL, inode->i_mapping, index);
+       DEFINE_READAHEAD(ractl, NULL, NULL, inode->i_mapping, index);
        struct page *page;
 
        index += ext4_verity_metadata_pos(inode) >> PAGE_SHIFT;