[RFC PATCH 5/8] ext4: use memcpy_from_page() in pagecache_read()
From: Chaitanya Kulkarni <hidden>
Date: 2021-02-07 19:07:00
Also in:
linux-ext4, linux-f2fs-devel, linux-fsdevel
Subsystem:
ext4 file system, filesystems (vfs and infrastructure), the rest · Maintainers:
"Theodore Ts'o", Alexander Viro, Christian Brauner, Linus Torvalds
Signed-off-by: Chaitanya Kulkarni <redacted> --- fs/ext4/verity.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/fs/ext4/verity.c b/fs/ext4/verity.c
index 5b7ba8f71153..c8e07f8a792d 100644
--- a/fs/ext4/verity.c
+++ b/fs/ext4/verity.c@@ -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);
--
2.22.1