f2fs: don't need to check encrypted inode for partial truncation

The cache_only is always false, if inode is encrypted.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 7ea63d84a699a2f2bc8c44cfc925198f87589f30..6a201c61eef546a3ff7ab61a11e9a9ed91782ec5 100644 (file)
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -534,8 +534,10 @@ static int truncate_partial_data_page(struct inode *inode, u64 from,
 truncate_out:
        f2fs_wait_on_page_writeback(page, DATA, true);
        zero_user(page, offset, PAGE_SIZE - offset);
-       if (!cache_only || !f2fs_encrypted_inode(inode) ||
-                                       !S_ISREG(inode->i_mode))
+
+       /* An encrypted inode should have a key and truncate the last page. */
+       f2fs_bug_on(F2FS_I_SB(inode), cache_only && f2fs_encrypted_inode(inode));
+       if (!cache_only)
                set_page_dirty(page);
        f2fs_put_page(page, 1);
        return 0;