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authorChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>2021-02-07 11:04:23 -0800
committerTheodore Ts'o <tytso@mit.edu>2021-03-25 10:19:48 -0400
commitbd256fda92efe97b692dc72e246d35fa724d42d8 (patch)
tree912dc36ead819f6a0821ba153dd00d35c7f15e9a
parent4d93874b9e9ce582fd4401334c88eaf93b6dff43 (diff)
downloadlinux-bd256fda92efe97b692dc72e246d35fa724d42d8.tar.bz2
ext4: use memcpy_to_page() in pagecache_write()
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>
-rw-r--r--fs/ext4/verity.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/fs/ext4/verity.c b/fs/ext4/verity.c
index daf88669a2e9..c6ed2aa9c534 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);