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07 Feb 2021 11:05:50 -0800 From: Chaitanya Kulkarni To: linux-block@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org Cc: axboe@kernel.dk, tytso@mit.edu, adilger.kernel@dilger.ca, jaegeuk@kernel.org, chao@kernel.org, johannes.thumshirn@wdc.com, damien.lemoal@wdc.com, bvanassche@acm.org, chaitanya.kulkarni@wdc.com, dongli.zhang@oracle.com, clm@fb.com, ira.weiny@intel.com, dsterba@suse.com, ebiggers@kernel.org, hch@infradead.org, dave.hansen@intel.com Subject: [RFC PATCH 6/8] ext4: use memcpy_to_page() in pagecache_write() Date: Sun, 7 Feb 2021 11:04:23 -0800 Message-Id: <20210207190425.38107-7-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1 In-Reply-To: <20210207190425.38107-1-chaitanya.kulkarni@wdc.com> References: <20210207190425.38107-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Signed-off-by: Chaitanya Kulkarni --- 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