diff options
| author | Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> | 2021-02-07 11:04:23 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-14 10:16:42 +0100 |
| commit | b33e42d65efe06bb6d6281238d66f4c9573910f2 (patch) | |
| tree | c16f7fe64ea6352d52b2f6c4ad9632cfa958c401 /fs | |
| parent | 60d4383c1bda704c4b97f231f24bbff2e4875af1 (diff) | |
ext4: use memcpy_to_page() in pagecache_write()
[ Upstream commit bd256fda92efe97b692dc72e246d35fa724d42d8 ]
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Link: https://lore.kernel.org/r/20210207190425.38107-7-chaitanya.kulkarni@wdc.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Stable-dep-of: 956510c0c743 ("fs: ext4: initialize fsdata in pagecache_write()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/verity.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/fs/ext4/verity.c b/fs/ext4/verity.c index 35be8e7ec2a0..130070ec491b 100644 --- a/fs/ext4/verity.c +++ b/fs/ext4/verity.c @@ -80,7 +80,6 @@ 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 +87,7 @@ 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); |