| Message ID | 20180212094347.22071-2-chandan@linux.vnet.ibm.com |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | Ext4 encryption support for blocksize < pagesize | expand |
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 6f6589e..e8ecf67 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1231,9 +1231,13 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len, } if (unlikely(err)) page_zero_new_buffers(page, from, to); - else if (decrypt) + else if (decrypt) { err = fscrypt_decrypt_page(page->mapping->host, page, PAGE_SIZE, 0, page->index); + if (err) + clear_buffer_uptodate(*wait_bh); + } + return err; } #endif
On an error return from fscrypt_decrypt_page(), ext4_block_write_begin() can return with the page's buffer_head marked with BH_Uptodate flag. This commit clears the BH_Uptodate flag in such cases. Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com> --- fs/ext4/inode.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)