JFS: log->bdev must be initialized for inline log

log->bdev was not being initialized.  It had not been used until
Al Viro's recent change from using bio->b_dev to bio->b_bdev.

fs/jfs/jfs_logmgr.c

@@ -1072,6 +1072,7 @@ int lmLogOpen(struct super_block *sb, log_t ** logptr)
 	 */
 
 	log->sb = sb;		/* This should be a list */
+	log->bdev = sb->s_bdev;
 	log->flag = JFS_INLINELOG;
 	log->base = addressPXD(&JFS_SBI(sb)->logpxd);
 	log->size = lengthPXD(&JFS_SBI(sb)->logpxd) >>