[RFC PATCH 6/8] ext4: use memcpy_to_page() in pagecache_write()
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STALE2024d
LANDED
From: Chaitanya Kulkarni <hidden>
Date: 2021-02-07 19:07:09
Also in:
linux-block, 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
Landed in mainline as bd256fda92ef on 2021-03-25.
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 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);
--
2.22.1